/* roulang page: index */
:root {
  --ink: #0b100d;
  --ink-2: #101813;
  --ink-3: #18221c;
  --surface: #ffffff;
  --surface-soft: #f2f6f1;
  --acid: #ccff44;
  --acid-deep: #a6eb20;
  --cyan: #29e6c8;
  --violet: #887cf2;
  --orange: #ffb054;
  --text: #1b241e;
  --muted: #68736c;
  --border: #e3e9e3;
  --radius-lg: 24px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 6px 18px rgba(18,26,20,.06);
  --shadow-md: 0 14px 32px rgba(18,26,20,.1);
  --shadow-acid: 0 12px 30px rgba(166,235,32,.18);
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Noto Sans CJK SC", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--surface-soft);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul, ol, li { list-style: none; margin: 0; padding: 0; }
img { max-width: 100%; display: block; }
button, input { font: inherit; }
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

.grid-container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }
.grid-padding-x > .cell { padding: 0 12px; }

/* 导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 99;
  background: rgba(10, 15, 12, .88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--acid), var(--cyan));
  color: #08100a;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: -.02em;
  box-shadow: 0 8px 22px rgba(160, 232, 40, .2);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { color: #fff; font-weight: 800; font-size: 19px; letter-spacing: -.02em; }
.brand-suffix { color: var(--acid); font-size: 12px; font-weight: 600; letter-spacing: .06em; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}
.main-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 13px;
  border-radius: 10px;
  font-size: 15px;
  color: rgba(255,255,255,.72);
  position: relative;
  transition: color .2s ease-out, background .2s ease-out;
}
.main-nav a:hover { color: var(--acid); background: rgba(255,255,255,.04); }
.main-nav a.active { color: #ffffff; background: rgba(204,255,68,.12); }
.main-nav a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 3px;
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--acid), var(--cyan));
  opacity: 0;
  transform: scaleX(.4);
  transition: all .24s ease-out;
}
.main-nav a.active::after,
.main-nav a:hover::after { opacity: 1; transform: scaleX(1); }

.header-tools { display: flex; align-items: center; gap: 10px; }
.search-box {
  width: 210px;
  height: 42px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 99px;
  padding: 0 16px;
  transition: width .25s ease-out, border-color .2s ease;
}
.search-box i { color: rgba(255,255,255,.45); font-size: 13px; }
.search-box input {
  width: 100%;
  background: transparent;
  border: 0;
  color: #fff;
  font-size: 13px;
  outline: none;
}
.search-box input::placeholder { color: rgba(255,255,255,.42); }
.search-box:focus-within {
  width: 252px;
  border-color: var(--acid);
  background: rgba(12, 18, 14, .96);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  transition: all .2s ease-out;
  border: 1px solid transparent;
  cursor: default;
}
.btn-primary {
  background: var(--acid);
  color: #0a120c;
  box-shadow: 0 8px 18px rgba(188,255,49,.15);
}
.btn-primary:hover { background: #dbff6d; transform: translateY(-1px); box-shadow: var(--shadow-acid); }
.btn-ghost {
  background: transparent;
  border-color: rgba(255,255,255,.22);
  color: rgba(255,255,255,.82);
}
.btn-ghost:hover { border-color: var(--acid); color: var(--acid); }
.btn-dark {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.btn-dark:hover { background: var(--ink-3); transform: translateY(-1px); }
.btn-soft {
  background: #ffffff;
  color: var(--ink);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.btn-soft:hover { border-color: var(--acid-deep); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-light {
  background: #fff;
  color: var(--ink);
  font-weight: 800;
}
.btn-light:hover { background: var(--acid); transform: translateY(-1px); }
.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.45);
}
.btn-outline-light:hover { border-color: var(--acid); color: var(--acid); background: rgba(204,255,68,.08); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 12px;
  cursor: pointer;
  place-content: center;
  gap: 5px;
}
.nav-toggle span { width: 18px; height: 2px; background: #fff; border-radius: 2px; display: block; }

/* 首屏 */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: #fff;
  padding: 130px 0 110px;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: .38;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(100deg, rgba(6,10,8,.92) 0%, rgba(6,10,8,.72) 48%, rgba(6,10,8,.32) 100%);
}
.hero__glow {
  position: absolute;
  right: -160px;
  top: 60px;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(136,124,242,.35), rgba(41,230,200,.12) 46%, transparent 70%);
  z-index: 1;
  filter: blur(40px);
}
.hero__inner { position: relative; z-index: 2; }
.hero-copy { max-width: 650px; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border: 1px solid rgba(204,255,68,.32);
  background: rgba(204,255,68,.08);
  color: var(--acid);
  font-size: 13px;
  font-weight: 700;
  border-radius: 99px;
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(34px, 4.6vw, 56px);
  line-height: 1.14;
  letter-spacing: -.03em;
  margin: 0 0 18px;
  font-weight: 800;
}
.hero h1 .accent { color: var(--acid); }
.hero__lead {
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255,255,255,.74);
  max-width: 560px;
  margin: 0 0 30px;
}
.hero__buttons { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 44px; }
.hero__proof { display: flex; flex-wrap: wrap; gap: 14px; }
.proof-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 150px;
  background: rgba(16,22,18,.72);
  border: 1px solid rgba(255,255,255,.1);
  padding: 14px 18px;
  border-radius: 18px;
}
.proof-badge__icon {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(204,255,68,.14);
  color: var(--acid);
  font-size: 16px;
}
.proof-badge__icon.cyan { background: rgba(41,230,200,.12); color: var(--cyan); }
.proof-badge__icon.violet { background: rgba(136,124,242,.16); color: #a99ffb; }
.proof-badge strong {
  display: block;
  font-size: 18px;
  line-height: 1.2;
  color: #fff;
  font-weight: 800;
}
.proof-badge span { font-size: 12px; color: rgba(255,255,255,.55); }

/* 通用区块 */
.section { padding: 92px 0; }
.section-soft { background: var(--surface-soft); }
.section-white { background: #ffffff; }
.section-dark { background: var(--ink); color: #fff; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 42px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--acid); border-radius: 99px; }
.section-title {
  font-size: 30px;
  line-height: 1.28;
  letter-spacing: -.02em;
  margin: 4px 0 12px;
  font-weight: 800;
}
.section-title .grad-text {
  background: linear-gradient(135deg, var(--acid), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section-sub { color: var(--muted); font-size: 16px; line-height: 1.85; max-width: 680px; margin: 0; }
.section-dark .section-sub { color: rgba(255,255,255,.62); }

/* 动态板块 */
.category-line { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.category-pill {
  display: inline-flex;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--ink);
  height: 40px;
  padding: 0 17px;
  border-radius: 99px;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  transition: all .2s ease-out;
  box-shadow: var(--shadow-sm);
}
.category-pill:hover { border-color: var(--acid-deep); color: #0a0f0b; transform: translateY(-2px); }
.category-pill.active,
.category-pill.active:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.news-board { display: grid; gap: 14px; }
.news-row {
  display: grid;
  grid-template-columns: 150px 1.1fr 1.6fr 150px 44px;
  gap: 16px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
  transition: all .22s ease-out;
}
.news-row:hover {
  transform: translateY(-3px);
  border-color: rgba(166,235,32,.6);
  box-shadow: var(--shadow-md);
}
.news-row__badge {
  display: inline-flex;
  justify-content: center;
  min-width: 90px;
  padding: 6px 12px;
  border-radius: 99px;
  background: #eef5e8;
  color: #41543d;
  font-size: 12px;
  font-weight: 700;
}
.news-row__title { font-size: 16px; font-weight: 800; line-height: 1.5; color: var(--ink); }
.news-row__summary { color: var(--muted); font-size: 14px; line-height: 1.7; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.news-row__meta { display: flex; align-items: center; justify-content: flex-end; gap: 6px; color: var(--muted); font-size: 13px; }
.news-row__arrow {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--surface-soft);
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all .2s ease-out;
}
.news-row:hover .news-row__arrow { background: var(--acid); transform: translateX(2px); }
.empty-board {
  border: 1px dashed #cad2cb;
  background: #fafcf9;
  border-radius: 20px;
  padding: 56px 20px;
  text-align: center;
}
.empty-board i { font-size: 38px; color: #b7c4b8; margin-bottom: 10px; }
.empty-board p { color: var(--muted); font-size: 15px; margin: 0; }

/* 玩法指引与步骤 */
.guide-wrap {
  background: var(--surface-soft);
  border-radius: 28px;
  padding: 18px;
}
.guide-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 30px;
  box-shadow: var(--shadow-sm);
}
.guide-card__desc { color: var(--muted); font-size: 15px; line-height: 1.9; margin: 14px 0 22px; }
.guide-card__buttons { display: flex; flex-wrap: wrap; gap: 10px; }
.mini-guide {
  display: flex;
  align-items: center;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 12px 14px 12px 12px;
  box-shadow: var(--shadow-sm);
  transition: all .2s ease-out;
}
.mini-guide:hover { transform: translateY(-3px); border-color: rgba(166,235,32,.6); box-shadow: var(--shadow-md); }
.mini-guide__img { width: 88px; height: 66px; border-radius: 14px; overflow: hidden; flex-shrink: 0; background: #ecf1ec; }
.mini-guide__img img { width: 100%; height: 100%; object-fit: cover; }
.mini-guide__text strong { display: block; font-size: 15px; color: var(--ink); line-height: 1.4; }
.mini-guide__text small { font-size: 13px; color: var(--muted); }
.step-track { display: grid; gap: 16px; }
.step-item {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 18px;
  position: relative;
  padding-bottom: 12px;
}
.step-item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 60px;
  bottom: 2px;
  width: 1px;
  background: linear-gradient(to bottom, var(--acid), transparent);
}
.step-num {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  font-weight: 800;
  font-size: 17px;
  box-shadow: var(--shadow-sm);
}
.step-item.is-active .step-num {
  background: linear-gradient(135deg, var(--acid), var(--cyan));
  border-color: transparent;
  box-shadow: 0 10px 24px rgba(60,226,193,.22);
}
.step-body h3 { font-size: 17px; margin: 4px 0 6px; font-weight: 800; color: var(--ink); }
.step-body p { color: var(--muted); font-size: 14px; line-height: 1.8; margin: 0; }

/* 奖励预览 */
.reward-grid { display: grid; grid-template-columns: 1.4fr .9fr .9fr; gap: 22px; }
.reward-main {
  position: relative;
  overflow: hidden;
  min-height: 340px;
  background: linear-gradient(135deg, #121b16, #0a100c);
  border-radius: 26px;
  padding: 34px;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(204,255,68,.2);
}
.reward-main__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
}
.reward-main__glow {
  position: absolute;
  right: -80px;
  bottom: -100px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(204,255,68,.3), transparent 70%);
  filter: blur(26px);
}
.reward-main > * { position: relative; z-index: 1; }
.reward-tag {
  align-self: flex-start;
  background: rgba(204,255,68,.14);
  color: var(--acid);
  border: 1px solid rgba(204,255,68,.2);
  padding: 6px 12px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 700;
}
.reward-main h3 { font-size: 22px; line-height: 1.5; margin: 14px 0 10px; font-weight: 800; }
.reward-main p { font-size: 15px; line-height: 1.8; color: rgba(255,255,255,.66); max-width: 32em; margin: 0; }
.reward-note {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  color: rgba(255,255,255,.7);
  font-size: 13px;
}
.reward-note i { color: var(--orange); }
.reward-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all .22s ease-out;
}
.reward-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(41,230,200,.4); }
.reward-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(41,230,200,.12);
  color: var(--cyan);
  font-size: 17px;
  margin-bottom: 22px;
}
.reward-card h3 { font-size: 17px; font-weight: 800; margin: 0 0 8px; color: var(--ink); }
.reward-card p { font-size: 14px; color: var(--muted); line-height: 1.85; margin: 0 0 18px; }
.reward-card__link { margin-top: auto; font-size: 14px; font-weight: 700; color: var(--ink); display: inline-flex; align-items: center; gap: 6px; }
.reward-card__link i { transition: transform .2s ease; }
.reward-card:hover .reward-card__link i { transform: translateX(4px); }
.reward-warn {
  margin-top: 22px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  padding: 12px 16px;
  color: rgba(255,255,255,.55);
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.7;
}
.reward-warn i { color: var(--orange); margin-top: 2px; }

/* 进度板块 */
.journey-card {
  margin-top: 36px;
  background: #fff;
  border-radius: 24px;
  padding: 34px;
  box-shadow: var(--shadow-sm);
}
.progress-visual { margin: 36px 0 30px; }
.progress-bar {
  height: 14px;
  background: #e8eee8;
  border-radius: 99px;
  overflow: hidden;
  position: relative;
}
.progress-fill {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--acid), var(--cyan));
  width: 66%;
  box-shadow: 0 0 16px rgba(204,255,68,.3);
}
.progress-stages {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}
.stage {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
}
.stage-circle {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  color: #fff;
  background: #bfcabf;
}
.stage.is-done .stage-circle { background: var(--acid-deep); }
.stage.is-current .stage-circle { background: linear-gradient(135deg, var(--acid), var(--cyan)); box-shadow: 0 0 0 5px rgba(204,255,68,.18); }
.stage.is-todo .stage-circle {
  border: 2px dashed #a7b4a7;
  background: transparent;
  color: #93a093;
}
.stage strong { display: block; font-size: 15px; color: var(--ink); line-height: 1.5; margin-bottom: 4px; }
.stage p { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.7; }
.journey-cta { display: flex; justify-content: flex-end; margin-top: 20px; }

/* FAQ */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
  background: transparent;
  transition: background .2s ease-out;
}
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 6px;
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  background: linear-gradient(135deg, var(--acid), var(--cyan));
  color: #0a0f0c;
  transition: transform .2s ease;
}
.faq-item[open] summary { color: #0a0f0c; }
.faq-item[open] .faq-icon { transform: rotate(45deg); }
.faq-answer { padding: 4px 6px 24px; color: var(--muted); line-height: 1.9; font-size: 15px; max-width: 760px; }

/* 最终CTA */
.cta-section { padding: 70px 0 100px; }
.cta-panel {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0c120e, #101a14);
  border: 1px solid rgba(204,255,68,.18);
  border-radius: 30px;
  padding: 58px;
  color: #fff;
  text-align: center;
}
.cta-panel__glow {
  position: absolute;
  left: -60px;
  top: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(136,124,242,.3), transparent 66%);
  filter: blur(30px);
}
.cta-panel__glow2 {
  position: absolute;
  right: -40px;
  bottom: -120px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(41,230,200,.24), transparent 66%);
  filter: blur(30px);
}
.cta-panel h2 {
  font-size: 30px;
  line-height: 1.35;
  letter-spacing: -.02em;
  position: relative;
  z-index: 1;
  margin: 0 0 14px;
  font-weight: 800;
}
.cta-panel p {
  font-size: 16px;
  color: rgba(255,255,255,.66);
  max-width: 560px;
  margin: 0 auto 28px;
  position: relative;
  z-index: 1;
  line-height: 1.85;
}
.cta-panel .btn-row { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* 页面页脚 */
.site-footer {
  background: #0a0f0c;
  color: rgba(255,255,255,.62);
  padding: 80px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr .9fr .9fr 1.2fr;
  gap: 44px;
  padding-bottom: 54px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand .brand-name { font-size: 20px; }
.footer-brand p { font-size: 14px; line-height: 1.9; margin: 18px 0 0; max-width: 320px; color: rgba(255,255,255,.52); }
.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  margin: 0 0 18px;
}
.footer-links { display: grid; gap: 8px; }
.footer-links a, .footer-links span { font-size: 14px; color: rgba(255,255,255,.58); transition: all .2s ease; }
.footer-links a:hover { color: var(--acid); padding-left: 4px; }
.footer-note { font-size: 13px; line-height: 1.85; color: rgba(255,255,255,.44); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 22px 0;
  font-size: 13px;
  color: rgba(255,255,255,.42);
}
.footer-bottom a { color: rgba(255,255,255,.6); }
.footer-bottom a:hover { color: var(--acid); }

/* 响应式 */
@media screen and (max-width: 1024px) {
  .main-nav { gap: 0; }
  .main-nav a { padding: 0 9px; font-size: 14px; }
  .search-box { width: 170px; }
  .search-box:focus-within { width: 200px; }
  .btn-cta { padding: 0 16px; }
  .news-row { grid-template-columns: 120px 1fr 1.3fr 130px 36px; padding: 14px; }
  .reward-grid { grid-template-columns: 1fr 1fr; }
  .reward-main { grid-column: 1 / -1; min-height: 300px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media screen and (max-width: 767px) {
  .site-header { position: sticky; top: 0; }
  .header-inner { gap: 10px; min-height: 62px; flex-wrap: wrap; }
  .brand-mark { width: 36px; height: 36px; font-size: 13px; }
  .brand-name { font-size: 16px; }
  .brand-suffix { font-size: 11px; }
  .main-nav {
    display: none;
    order: 8;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: #0b100d;
    border-radius: 18px;
    padding: 12px;
    margin: 6px 0 10px;
    border: 1px solid rgba(255,255,255,.08);
  }
  .main-nav.is-open { display: flex; }
  .main-nav a { justify-content: space-between; padding: 12px 14px; border-radius: 10px; }
  .search-box { display: none; }
  .header-tools { margin-left: auto; }
  .nav-toggle { display: inline-flex; }
  .section { padding: 64px 0; }
  .section-title { font-size: 24px; }
  .section-head { flex-direction: column; align-items: flex-start; margin-bottom: 28px; }
  .hero { padding: 86px 0 70px; }
  .hero h1 { font-size: 32px; }
  .hero__lead { font-size: 15px; }
  .proof-badge { min-width: 100%; flex: 1 1 100%; }
  .news-row { grid-template-columns: 1fr auto; gap: 10px; }
  .news-row__badge { justify-self: start; }
  .news-row__title { grid-column: 1 / -1; }
  .news-row__summary { grid-column: 1 / -1; }
  .news-row__meta { justify-self: start; font-size: 12px; }
  .news-row__arrow { width: 34px; height: 34px; grid-column: 2; grid-row: 1; }
  .mini-guide { flex-direction: column; align-items: stretch; }
  .mini-guide__img { width: 100%; height: 130px; }
  .reward-grid { grid-template-columns: 1fr; }
  .reward-main { grid-column: auto; min-height: 280px; padding: 26px; }
  .reward-card h3 { font-size: 16px; }
  .reward-main h3 { font-size: 19px; }
  .progress-stages { grid-template-columns: 1fr; }
  .journey-cta { justify-content: center; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .cta-panel { padding: 38px 20px; }
  .cta-panel h2 { font-size: 23px; }
  .cta-panel p { font-size: 14px; }
}
@media screen and (max-width: 520px) {
  .grid-container { padding-left: 14px; padding-right: 14px; }
  .header-tools .btn-ghost { display: none; }
  .hero h1 { font-size: 27px; line-height: 1.2; }
  .hero__buttons .btn { width: 100%; }
  .section-title { font-size: 22px; }
  .faq-item summary { font-size: 15px; }
  .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
}

/* roulang page: article */
:root {
  --bg: #f3f5f0;
  --bg-deep: #0b100d;
  --surface: #ffffff;
  --surface-soft: #f4f7f2;
  --ink: #1a201c;
  --ink-2: #3f4943;
  --muted: #67736b;
  --line: #dfe7df;
  --line-strong: #c6d2c7;
  --brand: #b8f34a;
  --brand-soft: #d3fd85;
  --cyan: #30edd9;
  --purple: #9b72ff;
  --orange: #ffa745;
  --black: #101411;
  --dark-green: #0c1a14;
  --gradient-main: linear-gradient(135deg, #b8f34a 0%, #30edd9 100%);
  --gradient-purple: linear-gradient(135deg, #9b72ff 0%, #30edd9 100%);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 6px 16px rgba(23, 34, 27, 0.08);
  --shadow-md: 0 16px 34px rgba(23, 34, 27, 0.12);
  --shadow-lg: 0 30px 60px rgba(15, 28, 19, 0.2);
  --transition: all .22s ease-out;
  --site-pad: 20px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 15px;
  padding-top: 72px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.no-scroll { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style-position: inside; }
button { border: none; background: none; font-family: inherit; }
.grid-container { max-width: 1200px; margin: 0 auto; padding-left: var(--site-pad); padding-right: var(--site-pad); }
::selection { background: var(--brand); color: #14220c; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 4px; }

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 72px;
  z-index: 100;
  background: rgba(8, 15, 11, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled {
  background: rgba(7, 13, 10, .92);
  box-shadow: 0 8px 28px rgba(0, 0, 0, .24);
}
.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: nowrap;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex-shrink: 0;
}
.brand-mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--gradient-main);
  color: #0d1b10;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: -0.4px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .12), 0 0 20px rgba(184, 243, 74, .24);
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand-name {
  font-weight: 800;
  font-size: 19px;
  letter-spacing: .2px;
  background: linear-gradient(135deg, #f4fbf0 20%, #b8f34a 70%, #30edd9);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand-suffix {
  font-size: 11px;
  letter-spacing: 1px;
  color: #b7c3bb;
  font-weight: 500;
  text-transform: uppercase;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
  flex: 1;
}
.main-nav a {
  position: relative;
  padding: 9px 13px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 500;
  color: #b9c5bd;
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav a:hover { color: var(--brand); background: rgba(184, 243, 74, .06); }
.main-nav a.active { color: var(--brand); font-weight: 600; }
.main-nav a.active::after {
  content: "";
  display: block;
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 1px;
  height: 2px;
  border-radius: 99px;
  background: var(--gradient-main);
  box-shadow: 0 0 10px rgba(184, 243, 74, .5);
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}
.search-box {
  display: flex;
  align-items: center;
  gap: 7px;
  width: 190px;
  height: 38px;
  padding: 0 13px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .09);
  border: 1px solid rgba(255, 255, 255, .08);
  transition: var(--transition);
}
.search-box:hover { border-color: rgba(184, 243, 74, .5); background: rgba(255,255,255,.12); }
.search-box:focus-within {
  width: 236px;
  border-color: var(--brand);
  background: rgba(255,255,255,.12);
  box-shadow: 0 0 0 3px rgba(184, 243, 74, .15);
}
.search-box i { font-size: 13px; color: #8ea198; }
.search-box input {
  width: 100%;
  background: transparent;
  border: none;
  color: #f4f8f5;
  font-size: 13px;
  outline: none;
  padding: 0;
}
.search-box input::placeholder { color: #7e8b84; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  height: 42px;
  padding: 0 17px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--brand); color: #101e0d; box-shadow: 0 6px 20px rgba(184, 243, 74, .26); }
.btn-primary:hover { background: #c8f76e; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(184, 243, 74, .36); }
.btn-ghost { background: transparent; color: #e3ebe5; border-color: rgba(255,255,255,.25); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-dark { background: #0d1b10; color: var(--brand); }
.btn-dark:hover { background: #1a2c1c; transform: translateY(-2px); }
.btn-cta { height: 40px; font-size: 13px; padding: 0 18px; }
.btn-light { background: #fff; color: #111a14; }
.btn-light:hover { background: var(--brand-soft); transform: translateY(-2px); }
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.1);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 17px; height: 2px;
  border-radius: 2px;
  background: #eaf0ec;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.post-hero {
  position: relative;
  background:
    linear-gradient(128deg, rgba(6, 18, 12, .93) 0%, rgba(14, 10, 30, .84) 50%, rgba(8, 22, 18, .92) 100%),
    url("/assets/images/backpic/back-2.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  padding: 52px 0 118px;
  overflow: hidden;
}
.post-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 86px;
  background: linear-gradient(to bottom, transparent, #f3f5f0);
  pointer-events: none;
}
.post-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 28px;
  padding: 0 11px;
  border-radius: 99px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(184, 243, 74, .25);
  color: #d7f7a9;
  font-size: 12px;
  letter-spacing: .3px;
  backdrop-filter: blur(8px);
}
.post-hero-badge i { font-size: 11px; color: var(--brand); }
.post-crumb {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 17px 0 22px;
  color: rgba(224, 237, 228, .74);
  font-size: 13px;
  line-height: 1.4;
  flex-wrap: wrap;
}
.post-crumb a { color: #a7bdb0; }
.post-crumb a:hover { color: var(--brand); }
.post-crumb sep { padding: 0 2px; color: rgba(255,255,255,.35); }
.post-crumb-title {
  color: rgba(255,255,255,.92);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 520px;
}
.post-title {
  font-size: clamp(28px, 4vw, 43px);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -.3px;
  color: #f7fbf7;
  max-width: 920px;
  margin: 0;
  text-wrap: balance;
  word-break: break-word;
}
.post-lead {
  margin-top: 14px;
  color: #b2c2b8;
  font-size: 15px;
  max-width: 760px;
  line-height: 1.7;
}
.post-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-top: 25px;
}
.post-meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: #baced0;
}
.post-meta-chip i { font-size: 12px; color: var(--brand); }
.post-meta-divider {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: rgba(255,255,255,.35);
}
.post-meta-source {
  display: inline-flex; align-items: center; gap: 6px;
  color: #8ea49a;
  font-size: 13px;
}
.article-main {
  position: relative;
  z-index: 2;
  margin-top: -62px;
  padding-bottom: 20px;
}
.article-panel {
  max-width: 832px;
  margin: 0 auto;
  background: var(--surface);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  padding: clamp(26px, 4vw, 52px);
  border: 1px solid rgba(255,255,255,.55);
}
.article-figure {
  position: relative;
  overflow: hidden;
  border-radius: 17px;
  padding: 0;
  margin: 0 0 28px;
  aspect-ratio: 16/8.7;
  background: linear-gradient(135deg, #eaf1e5, #cfdccf);
}
.article-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}
.post-content {
  font-size: 16px;
  color: #28302b;
  line-height: 1.82;
  word-break: break-word;
}
.post-content > *:first-child { margin-top: 0; }
.post-content p { margin: 1.15rem 0; }
.post-content strong { color: #121b16; font-weight: 700; }
.post-content em { font-style: italic; }
.post-content h2 {
  font-size: 25px;
  color: #101813;
  margin: 2.1em 0 0.7em;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.1px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.post-content h3 {
  font-size: 19px;
  color: #161f19;
  margin: 1.9em 0 .55em;
  font-weight: 750;
  line-height: 1.45;
}
.post-content h4 {
  font-size: 17px;
  color: #202920;
  margin: 1.6em 0 .5em;
  font-weight: 700;
}
.post-content a {
  color: #1c7a4f;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: var(--transition);
}
.post-content a:hover { color: #102f1e; text-decoration-color: var(--brand); }
.post-content ul,
.post-content ol {
  margin: 1rem 0 1.2rem;
  padding-left: 1.4rem;
}
.post-content ul li,
.post-content ol li {
  list-style: inherit;
  margin: .48rem 0;
  padding-left: 4px;
}
.post-content blockquote {
  margin: 1.7rem 0;
  padding: 18px 22px;
  background: #f0f8e8;
  border-radius: 14px;
  border-left: 4px solid var(--brand);
  color: #36413a;
  font-size: 15px;
}
.post-content blockquote p { margin: .3rem 0; }
.post-content code {
  background: #eff4ec;
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 14px;
  word-break: break-all;
}
.post-content pre {
  background: #111814;
  padding: 18px 20px;
  border-radius: 14px;
  color: #d8f3df;
  font-size: 14px;
  overflow-x: auto;
  line-height: 1.7;
  margin: 1.5rem 0;
}
.post-content pre code { background: transparent; color: inherit; padding: 0; }
.post-content img {
  border-radius: 14px;
  margin: 1.5rem 0;
  box-shadow: var(--shadow-sm);
}
.post-content video,
.post-content iframe {
  border-radius: 14px;
  max-width: 100%;
}
.post-content table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.6rem 0;
  border: 1px solid var(--line);
  border-radius: 13px;
  overflow: hidden;
  font-size: 14px;
}
.post-content table th,
.post-content table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}
.post-content table th {
  background: #ecf2e9;
  font-weight: 700;
  color: #162016;
}
.post-content table tr:last-child td { border-bottom: none; }
.article-footer-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 35px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.back-link { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: #415046; transition: var(--transition); }
.back-link i { transition: transform .2s ease; }
.back-link:hover { color: #142e1b; }
.back-link:hover i { transform: translateX(-3px); }
.back-link.next:hover i { transform: translateX(3px); }
.article-tag-list { display: flex; gap: 8px; flex-wrap: wrap; }
.article-tag {
  padding: 5px 11px;
  font-size: 12px;
  color: #4d5d52;
  background: #eef4ea;
  border-radius: 999px;
}
.article-tag:hover { background: var(--brand-soft); color: #1a3018; }

.missing-panel {
  padding: 16px 0 40px;
}
.missing-card {
  text-align: center;
  padding: 58px 24px;
  background: #f9fbf6;
  border: 1px dashed #c6d3c3;
  border-radius: 18px;
}
.missing-illustration {
  width: 86px;
  height: 86px;
  margin: 0 auto 22px;
  border-radius: 50%;
  background: var(--gradient-purple);
  opacity: .15;
  position: relative;
}
.missing-illustration::after {
  content: "404";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #16211a;
  font-weight: 800;
  font-size: 22px;
  opacity: .5;
}
.missing-card h2 {
  font-size: 25px;
  color: #1c2a21;
  font-weight: 800;
  margin-bottom: 12px;
}
.missing-card p { color: var(--muted); font-size: 14px; margin-bottom: 24px; }

.section-block { padding: 72px 0; }
.section-block-alt { background: var(--surface); }
.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}
.section-heading .eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #729b58;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-heading h2 {
  font-size: clamp(24px, 3vw, 31px);
  font-weight: 800;
  color: #172019;
  letter-spacing: -.2px;
  line-height: 1.3;
}
.section-heading .section-note {
  color: var(--muted);
  font-size: 14px;
  max-width: 460px;
}
.more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: #3b7450;
}
.more-link i { transition: transform .2s ease; }
.more-link:hover i { transform: translateX(4px); color: var(--brand); }

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.related-card {
  display: block;
  background: var(--surface);
  border-radius: 17px;
  padding-bottom: 18px;
  border: 1px solid var(--line);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.related-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: #b6cbb2;
}
.related-card .rc-figure {
  position: relative;
  aspect-ratio: 16/9.5;
  background: #e6ece3;
  overflow: hidden;
}
.related-card .rc-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.related-card:hover .rc-figure img { transform: scale(1.045); }
.related-card .rc-body { padding: 16px 16px 2px; }
.related-card .rc-cat {
  display: inline-block;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 700;
  color: #7d7732;
  background: #f2f9df;
  border-radius: 999px;
  letter-spacing: .3px;
  margin-bottom: 11px;
}
.related-card h3 {
  font-size: 16px;
  line-height: 1.5;
  color: #182319;
  font-weight: 700;
  margin: 6px 0 9px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 48px;
}
.related-card p {
  color: var(--muted);
  font-size: 13px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card .rc-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 13px;
  font-size: 12px;
  color: #7b8980;
  border-top: 1px solid var(--line);
  padding: 10px 16px 2px;
}
.related-card .rc-footer i { font-size: 11px; color: #758875; transition: transform .2s ease; }
.related-card:hover .rc-footer i { transform: translateX(4px); color: #1c7c36; }

.cta-zone { padding: 16px 0 80px; }
.cta-panel {
  position: relative;
  border-radius: 24px;
  padding: 42px 48px;
  background: var(--gradient-main);
  overflow: hidden;
  box-shadow: 0 20px 45px rgba(84, 175, 44, .22);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}
.cta-panel::before {
  content: "";
  position: absolute;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: rgba(255,255,255,.25);
  top: -100px; right: 55px;
  filter: blur(55px);
}
.cta-copy { position: relative; z-index: 1; max-width: 650px; }
.cta-copy h2 { font-size: clamp(22px, 3vw, 32px); font-weight: 800; color: #0d2112; line-height: 1.3; }
.cta-copy p { color: #25401f; font-size: 14px; margin-top: 10px; line-height: 1.7; }
.cta-actions { display: flex; gap: 10px; flex-wrap: wrap; position: relative; z-index: 1; }

.faq-zone { padding: 12px 0 60px; }
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 21px 4px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: #1b2820;
  transition: color .2s ease;
}
.faq-item summary:hover { color: #2e954d; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-index {
  width: 30px; height: 30px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  background: var(--gradient-purple);
  color: #fff;
  font-weight: 800;
  font-size: 13px;
  opacity: .82;
}
.faq-arrow {
  margin-left: auto;
  color: #8a9c8f;
  font-size: 14px;
  transition: transform .3s ease;
}
.faq-item[open] .faq-arrow { transform: rotate(45deg); color: var(--brand); }
.faq-answer {
  padding: 1px 16px 24px 44px;
  color: #5d6b61;
  font-size: 15px;
  line-height: 1.8;
}
.faq-answer p { margin: .65rem 0; }

.site-footer {
  background: #0c1210;
  color: #b9c5bd;
  padding-top: 66px;
  border-top: 4px solid var(--gradient-main);
}
.site-footer .brand { margin-bottom: 18px; }
.site-footer .brand-name { font-size: 21px; }
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 38px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand p {
  font-size: 14px;
  color: #9aab9f;
  line-height: 1.75;
}
.footer-title {
  color: #e0ece3;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .4px;
  margin: 8px 0 16px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 14px;
  color: #9eb1a4;
  transition: var(--transition);
  width: fit-content;
}
.footer-links a:hover { color: var(--brand); transform: translateX(3px); }
.footer-note { font-size: 13px; color: #849489; line-height: 1.75; }
.footer-note a { color: var(--brand); }
.footer-note a:hover { text-decoration: underline; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding: 22px 0 26px;
  font-size: 13px;
  color: #889488;
}
.footer-bottom a { color: #9ab88a; }
.footer-bottom a:hover { color: var(--brand); }

@media (max-width: 1023px) {
  .main-nav { gap: 0; }
  .main-nav a { padding: 9px 10px; font-size: 13px; }
  .search-box { width: 145px; }
  .search-box:focus-within { width: 185px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 767px) {
  body { padding-top: 64px; }
  .site-header, .header-inner { height: 64px; }
  .header-inner { gap: 10px; }
  .brand-mark { width: 32px; height: 32px; font-size: 13px; }
  .brand-name { font-size: 17px; }
  .brand-suffix { font-size: 10px; }
  .header-tools { margin-left: auto; }
  .header-tools .btn-cta { display: none; }
  .search-box { display: none; }
  .main-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    margin-left: 0;
    padding: 12px;
    background: rgba(8, 14, 10, .98);
    backdrop-filter: blur(18px);
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    box-shadow: 0 18px 36px rgba(0, 0, 0, .2);
  }
  .main-nav.open { display: block; }
  .main-nav a { display: block; padding: 13px 16px; border-radius: 10px; }
  .main-nav a.active::after { display: none; }
  .main-nav a.active { background: rgba(184,243,74,.1); }
  .nav-toggle { display: inline-flex; }
  .post-hero { padding: 34px 0 118px; }
  .post-crumb-title { max-width: 230px; }
  .post-title { font-size: 30px; }
  .article-main { margin-top: -48px; }
  .article-panel { padding: 22px 18px; border-radius: 18px; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-zone { padding-bottom: 50px; }
  .cta-panel { padding: 30px 22px; }
  .site-footer { padding-top: 48px; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { justify-content: flex-start; }
}
@media (max-width: 520px) {
  .grid-container { padding-left: 15px; padding-right: 15px; }
  .section-block { padding: 52px 0; }
  .post-title { font-size: 27px; }
  .post-meta { gap: 8px 10px; }
  .post-content { font-size: 15px; line-height: 1.78; }
  .post-content h2 { font-size: 22px; }
  .post-content table { display: block; overflow-x: auto; white-space: nowrap; }
  .cta-actions .btn { flex: 1; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category1 */
:root{
  --ink-900:#0a100d;
  --ink-800:#111813;
  --ink-700:#17221b;
  --paper:#f2f5ef;
  --card:#ffffff;
  --acid:#cdfb50;
  --acid-strong:#b4f238;
  --cyan:#3bd6c3;
  --violet:#907dff;
  --orange:#ffa94d;
  --text-main:#1a231e;
  --text-sub:#5a665e;
  --text-weak:#919b93;
  --line:rgba(23,34,27,.10);
  --line-dark:rgba(255,255,255,.12);
  --radius-lg:26px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow-sm:0 8px 20px rgba(20,30,25,.05);
  --shadow-md:0 18px 42px rgba(20,30,25,.13);
  --ease-out:.2s ease-out;
  --font-sans:"Inter",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--paper);
  color:var(--text-main);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease-out),border-color var(--ease-out),background var(--ease-out)}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:3px solid rgba(201,251,80,.45);
  outline-offset:2px;
  border-radius:6px;
}

.grid-container{
  max-width:1240px;
  margin:0 auto;
  padding-left:22px;
  padding-right:22px;
  width:100%;
}

/* ===== header / nav ===== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  height:72px;
  background:rgba(10,16,13,.90);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:rgba(8,12,10,.97);
  border-bottom-color:rgba(255,255,255,.10);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:42px;height:42px;
  border-radius:13px;
  background:linear-gradient(135deg,var(--acid),var(--cyan));
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--ink-900);
  font-weight:800;
  font-size:15px;
  letter-spacing:-.4px;
  box-shadow:0 8px 20px rgba(59,214,195,.25);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{color:#fff;font-weight:800;font-size:18px;letter-spacing:.2px}
.brand-suffix{color:var(--acid);font-size:10px;font-weight:700;letter-spacing:2.2px;text-transform:uppercase}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
}
.main-nav a{
  color:rgba(255,255,255,.74);
  font-size:15px;
  font-weight:500;
  padding:10px 13px;
  border-radius:var(--radius-sm);
  position:relative;
}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.07)}
.main-nav a.active{
  color:var(--acid);
  background:rgba(201,251,80,.11);
}
.main-nav a.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:5px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--acid),var(--cyan));
}
.header-tools{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid transparent;
  transition:border-color .2s ease,background .2s ease;
}
.search-box i{
  color:var(--text-weak);
  font-size:14px;
}
.search-box input{
  background:transparent;
  border:0;
  outline:none;
  color:#fff;
  width:108px;
  font-size:14px;
  transition:width .25s ease;
}
.search-box input::placeholder{color:rgba(255,255,255,.45)}
.search-box:focus-within{
  border-color:var(--acid);
  background:rgba(255,255,255,.14);
}
.search-box:focus-within input{width:148px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:transform var(--ease-out),box-shadow var(--ease-out),background var(--ease-out),color var(--ease-out),border-color var(--ease-out);
}
.btn-primary{
  background:var(--acid);
  border-color:var(--acid);
  color:var(--ink-900);
}
.btn-primary:hover{
  background:var(--acid-strong);
  border-color:var(--acid-strong);
  transform:translateY(-1px);
  box-shadow:0 10px 24px rgba(201,251,80,.22);
}
.btn-outline-light{
  background:rgba(255,255,255,.05);
  border-color:rgba(255,255,255,.38);
  color:#fff;
}
.btn-outline-light:hover{
  border-color:var(--acid);
  color:var(--acid);
  background:rgba(255,255,255,.06);
  transform:translateY(-1px);
}
.btn-outline-dark{
  background:transparent;
  border-color:rgba(18,24,20,.28);
  color:var(--text-main);
}
.btn-outline-dark:hover{
  border-color:var(--ink-800);
  color:var(--ink-800);
  transform:translateY(-1px);
  box-shadow:var(--shadow-sm);
}
.btn-cta{
  height:42px;
  padding:0 18px;
  font-weight:700;
  box-shadow:0 6px 16px rgba(201,251,80,.18);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  margin-left:auto;
  border:none;
  background:transparent;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
  padding:0;
}
.nav-toggle span{display:block;width:22px;height:2px;background:#fff;border-radius:3px;transition:transform .25s ease,opacity .25s ease}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== main sections ===== */
.section{padding:88px 0}
.label-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:12px;
  font-weight:700;
  letter-spacing:1.6px;
  color:var(--ink-800);
  background:#e4f7c7;
  border:1px solid rgba(180,242,56,.5);
  padding:5px 13px;
  border-radius:999px;
  text-transform:uppercase;
}
.sec-head{
  margin-bottom:48px;
}
.sec-head h2{
  font-size:32px;
  line-height:1.3;
  margin:10px 0 12px;
  letter-spacing:-.5px;
  font-weight:800;
}
.sec-head p{color:var(--text-sub);font-size:16px;max-width:700px;margin:0}

/* ===== category hero ===== */
.hero-category{
  position:relative;
  color:#fff;
  background-color:var(--ink-900);
  background-image:linear-gradient(115deg,rgba(8,15,11,.92) 0%,rgba(20,30,24,.72) 52%,rgba(42,55,46,.55) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  padding:150px 0 76px;
  overflow:hidden;
}
.hero-category::after{
  content:"";
  position:absolute;
  width:360px;height:360px;
  right:-90px;top:-120px;
  background:radial-gradient(circle,rgba(144,125,255,.28),transparent 65%);
  pointer-events:none;
}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.55);
  margin-bottom:34px;
  flex-wrap:wrap;
}
.crumbs a{color:rgba(255,255,255,.72);transition:color .2s ease}
.crumbs a:hover{color:var(--acid)}
.crumbs i{font-size:11px;color:rgba(255,255,255,.35)}
.cat-hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.45fr) minmax(280px,.55fr);
  gap:56px;
  align-items:end;
}
.cat-hero-copy h1{
  font-size:44px;
  line-height:1.2;
  font-weight:800;
  margin:0 0 18px;
  letter-spacing:-1px;
}
.cat-hero-copy h1 .h-sep{color:var(--acid)}
.cat-hero-copy h1 .h-keyword{
  background:linear-gradient(120deg,var(--acid),var(--cyan));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-desc{
  font-size:17px;
  color:rgba(255,255,255,.75);
  max-width:620px;
  margin:0 0 30px;
}
.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.hero-panel{
  border:1px solid rgba(255,255,255,.15);
  background:rgba(255,255,255,.07);
  border-radius:22px;
  padding:22px;
  position:relative;
  z-index:2;
}
.hero-panel-title{
  font-size:15px;
  font-weight:700;
  color:#fff;
  display:flex;
  align-items:center;
  gap:9px;
  margin:0 0 14px;
}
.hero-panel-title i{color:var(--acid);font-size:13px}
.hero-check{
  display:flex;
  flex-direction:column;
  margin-bottom:14px;
}
.hero-check li{
  display:flex;
  gap:12px;
  padding:13px 0;
  border-top:1px solid rgba(255,255,255,.09);
  align-items:flex-start;
}
.hero-check .check-index{
  width:26px;height:26px;
  border-radius:8px;
  flex-shrink:0;
  background:rgba(201,251,80,.14);
  border:1px solid rgba(201,251,80,.28);
  color:var(--acid);
  font-size:11px;
  font-weight:800;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.hero-check strong{
  display:block;
  font-size:14px;
  color:#fff;
  line-height:1.3;
}
.hero-check p{font-size:12px;color:rgba(255,255,255,.62);margin:3px 0 0;line-height:1.6}

/* ===== guide section ===== */
.guide-section{background:#fff;border-top:1px solid var(--line)}
.guide-layout{
  display:grid;
  grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);
  gap:56px;
  align-items:start;
}
.guide-intro{position:sticky;top:112px}
.guide-intro .label-chip{margin-bottom:19px}
.guide-intro h2{
  font-size:30px;
  line-height:1.3;
  margin:0 0 16px;
  font-weight:800;
  letter-spacing:-.5px;
}
.guide-intro > p{color:var(--text-sub);font-size:16px}
.intro-list{
  margin:20px 0 26px;
  display:flex;
  flex-direction:column;
  gap:11px;
}
.intro-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  color:var(--text-main);
  font-size:14px;
}
.intro-list i{
  color:var(--acid-strong);
  font-size:12px;
  line-height:22px;
  text-shadow:0 0 10px rgba(180,242,56,.4);
}
.guide-cards{display:flex;flex-direction:column;gap:18px}
.guide-item{
  display:flex;
  gap:20px;
  align-items:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:16px;
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease-out),box-shadow var(--ease-out),border-color var(--ease-out);
}
.guide-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(180,242,56,.4);
}
.guide-thumb{
  width:180px;
  min-width:180px;
  height:146px;
  border-radius:16px;
  overflow:hidden;
  background:#e4e9df;
  position:relative;
}
.guide-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .3s ease;
}
.guide-item:hover .guide-thumb img{transform:scale(1.04)}
.guide-body{flex:1;min-width:0}
.tag-row{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:10px;
  flex-wrap:wrap;
}
.tag-chip{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  font-weight:600;
  color:var(--ink-800);
  background:#eef3d8;
  border-radius:999px;
  padding:3px 10px;
  letter-spacing:.2px;
}
.guide-body h3{
  font-size:18px;
  line-height:1.4;
  margin:0 0 8px;
  font-weight:760;
  letter-spacing:-.2px;
}
.guide-body p{
  font-size:14px;
  color:var(--text-sub);
  margin:0;
  line-height:1.7;
}
.arrow-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-top:12px;
  font-size:13px;
  font-weight:700;
  color:var(--ink-800);
}
.arrow-link i{transition:transform .2s ease}
.arrow-link:hover i{transform:translateX(4px)}
.arrow-link:hover{color:#3d7a00}

/* ===== process ===== */
.process-section{
  background:var(--ink-900);
  color:#fff;
}
.process-section .label-chip{
  background:rgba(201,251,80,.12);
  border-color:rgba(201,251,80,.32);
  color:var(--acid);
}
.process-section .sec-head h2{color:#fff}
.process-section .sec-head p{color:rgba(255,255,255,.62)}
.sec-head .sec-lead{
  display:flex;
  flex-direction:column;
  gap:16px;
  margin-top:16px;
}
.process-steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.step-card{
  position:relative;
  border:1px solid rgba(255,255,255,.12);
  border-radius:22px;
  background:linear-gradient(145deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  padding:28px 22px 24px;
  min-height:238px;
  display:flex;
  flex-direction:column;
  transition:transform var(--ease-out),border-color var(--ease-out);
}
.step-card:hover{
  transform:translateY(-5px);
  border-color:rgba(201,251,80,.42);
}
.step-card:not(:first-child)::before{
  content:"";
  position:absolute;
  top:34px;
  left:-22px;
  width:22px;
  height:1px;
  background:rgba(201,251,80,.35);
}
.step-index{
  font-size:34px;
  font-weight:800;
  line-height:1;
  letter-spacing:-1.5px;
  color:transparent;
  background:linear-gradient(135deg,var(--acid),var(--cyan));
  -webkit-background-clip:text;
  background-clip:text;
}
.step-card h3{
  font-size:19px;
  color:#fff;
  margin:22px 0 10px;
  font-weight:750;
}
.step-card p{
  font-size:14px;
  color:rgba(255,255,255,.64);
  line-height:1.75;
  margin:0;
}

/* ===== verify / check section ===== */
.brief-section{background:var(--paper)}
.verify-grid{
  display:grid;
  grid-template-columns:1.4fr .93fr .93fr;
  gap:24px;
}
.verify-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:22px;
  padding:30px 28px;
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease-out),box-shadow var(--ease-out);
}
.verify-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
}
.verify-card.dark{
  background:linear-gradient(145deg,#172419,#0b110e);
  border-color:rgba(255,255,255,.08);
  color:#fff;
}
.verify-card .vc-icon{
  width:44px;height:44px;
  border-radius:13px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  background:#edf5d6;
  color:var(--ink-800);
  margin-bottom:16px;
}
.verify-card.dark .vc-icon{
  background:linear-gradient(135deg,var(--acid),var(--cyan));
  color:var(--ink-900);
  box-shadow:0 0 18px rgba(201,251,80,.22);
}
.verify-card h3{
  font-size:19px;
  margin:0 0 12px;
  font-weight:750;
  line-height:1.4;
}
.verify-card p{
  font-size:14px;
  color:var(--text-sub);
  margin:0;
}
.verify-card.dark p{color:rgba(255,255,255,.66)}

/* ===== faq section ===== */
.faq-section{background:#fff}
.faq-wrap{
  max-width:900px;
  margin:0 auto;
}
.faq-item{
  border:1px solid var(--line);
  background:var(--card);
  border-radius:16px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{
  border-color:rgba(180,242,56,.55);
  box-shadow:var(--shadow-sm);
}
.faq-item summary{
  display:flex;
  align-items:center;
  gap:14px;
  cursor:pointer;
  list-style:none;
  padding:20px 22px;
  font-weight:650;
  font-size:16px;
  color:var(--text-main);
  user-select:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-count{
  width:30px;height:30px;
  flex-shrink:0;
  border-radius:9px;
  background:#eef3d8;
  color:var(--ink-800);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  font-weight:800;
}
.faq-item .faq-icon{
  width:30px;height:30px;
  flex-shrink:0;
  margin-left:auto;
  border-radius:50%;
  background:var(--paper);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--text-sub);
  font-size:13px;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item[open] .faq-icon{
  transform:rotate(45deg);
  background:var(--acid);
  color:var(--ink-900);
}
.faq-answer{
  background:#fafbf6;
  border-top:1px solid var(--line);
  padding:20px 56px 22px;
  color:var(--text-sub);
  font-size:15px;
  line-height:1.9;
}
.faq-answer p{margin:0}

/* ===== cta ===== */
.cta-section{
  padding:0 0 90px;
  background:var(--paper);
}
.cta-panel{
  position:relative;
  border-radius:30px;
  overflow:hidden;
  background:var(--ink-900) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:58px 56px;
  color:#fff;
  isolation:isolate;
}
.cta-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(115deg,rgba(8,13,10,.94),rgba(24,37,29,.74));
  z-index:-1;
}
.cta-panel .cta-eye{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--acid);
  letter-spacing:1.4px;
  margin-bottom:14px;
  text-transform:uppercase;
}
.cta-panel h2{
  font-size:32px;
  line-height:1.35;
  margin:0 0 14px;
  font-weight:800;
  letter-spacing:-.5px;
  max-width:680px;
}
.cta-panel p{
  color:rgba(255,255,255,.68);
  font-size:16px;
  margin:0 0 28px;
  max-width:640px;
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ===== footer ===== */
.site-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.62);
  padding-top:76px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr .8fr .9fr 1.25fr;
  gap:46px;
  padding-bottom:46px;
}
.footer-brand p{
  font-size:14px;
  color:rgba(255,255,255,.55);
  line-height:1.85;
  margin:20px 0 0;
}
.footer-title{
  color:#fff;
  font-size:14px;
  font-weight:700;
  margin:0 0 20px;
  display:flex;
  gap:8px;
  align-items:center;
}
.footer-title::before{
  content:"";
  width:18px;
  height:3px;
  border-radius:4px;
  background:var(--acid);
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:9px;
}
.footer-links a{
  font-size:14px;
  color:rgba(255,255,255,.6);
}
.footer-links a:hover{color:var(--acid);padding-left:4px}
.footer-note p{
  font-size:13px;
  color:rgba(255,255,255,.46);
  line-height:1.8;
  margin:0 0 10px;
  padding:0;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 24px;
  display:flex;
  gap:18px;
  justify-content:space-between;
  flex-wrap:wrap;
  color:rgba(255,255,255,.38);
  font-size:13px;
}
.footer-bottom a{color:rgba(255,255,255,.52);transition:color .2s ease}
.footer-bottom a:hover{color:var(--acid)}

/* ===== responsive ===== */
@media (max-width:1100px){
  .main-nav a{padding:9px 8px}
  .main-nav{gap:0}
  .header-tools{gap:8px}
  .search-box input{width:80px}
  .search-box:focus-within input{width:120px}
}
@media (max-width:991px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;
    top:72px;
    left:0;right:0;
    background:rgba(8,12,10,.98);
    backdrop-filter:blur(16px);
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:18px 20px 24px;
    margin:0;
    border-bottom:1px solid rgba(255,255,255,.09);
    transform:translateY(-14px);
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transition:transform .25s ease,opacity .25s ease,visibility .25s ease;
  }
  body.nav-open .main-nav{
    transform:none;
    opacity:1;
    visibility:visible;
    pointer-events:auto;
  }
  .main-nav a{
    width:100%;
    padding:12px 14px;
    font-size:15px;
    border-radius:10px;
  }
  .main-nav a.active::after{display:none}
  .header-tools .search-box{display:none}
  .cat-hero-grid{grid-template-columns:1fr;gap:28px;align-items:start}
  .hero-panel{max-width:600px}
  .guide-layout{grid-template-columns:1fr;gap:36px}
  .guide-intro{position:static}
  .process-steps{grid-template-columns:1fr 1fr}
  .step-card:not(:first-child)::before{display:none}
  .verify-grid{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:38px 28px}
}
@media (max-width:767px){
  .header-tools .btn-cta{display:none}
  .header-tools .btn-cta{display:none}
  .section{padding:66px 0}
  .hero-category{padding:118px 0 52px}
  .cat-hero-copy h1{font-size:32px}
  .cat-hero-copy h1 .h-keyword{font-size:28px}
  .hero-desc{font-size:15px}
  .guide-item{flex-direction:column;align-items:flex-start}
  .guide-thumb{width:100%;min-width:0;height:180px}
  .process-steps{grid-template-columns:1fr}
  .verify-grid{grid-template-columns:1fr}
  .cta-panel{padding:38px 26px}
  .cta-panel h2{font-size:25px}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:5px}
  .faq-answer{padding:18px 18px 20px}
  .faq-item summary{padding:17px 15px}
  .faq-item summary .faq-count{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root {
      --dark-bg: #0b0e0d;
      --dark-bg-2: #111514;
      --dark-section: #141a17;
      --light-bg: #f4f6f2;
      --surface: #ffffff;
      --acid: #b8f73c;
      --acid-hover: #caff66;
      --cyan: #31e0cd;
      --purple: #8a5cf6;
      --orange: #ffa94d;
      --text-main: #171b19;
      --text-body: #48524c;
      --text-muted: #748078;
      --line-light: #e4e9e4;
      --line-dark: rgba(255, 255, 255, .14);
      --radius-lg: 24px;
      --radius-md: 16px;
      --radius-sm: 10px;
      --shadow-soft: 0 8px 30px rgba(20, 30, 25, .06);
      --shadow-hover: 0 18px 48px rgba(20, 30, 25, .13);
      --tr: all .24s ease-out;
      --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Noto Sans CJK SC", sans-serif;
    }

    *, *::before, *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-main);
      background: var(--light-bg);
      color: var(--text-body);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

    img {
      max-width: 100%;
      display: block;
      border: 0;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--tr);
    }

    input, button {
      font-family: inherit;
      outline: none;
    }

    .grid-container {
      max-width: 1260px;
    }

    h1, h2, h3, h4 {
      color: var(--text-main);
      line-height: 1.2;
      margin-top: 0;
      font-weight: 700;
    }

    p {
      margin-top: 0;
    }

    .section {
      padding: 96px 0;
    }

    .section-light {
      background: var(--surface);
    }

    .section-soft {
      background: var(--light-bg);
    }

    .section-dark {
      background: var(--dark-section);
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 14px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      background: #edf1ea;
      border: 1px solid var(--line-light);
      white-space: nowrap;
    }

    .tag-acid {
      background: rgba(184, 247, 60, .15);
      color: #3b5b0b;
      border-color: rgba(184, 247, 60, .35);
    }

    .tag-cyan {
      background: rgba(49, 224, 205, .12);
      color: #0b6c63;
      border-color: rgba(49, 224, 205, .25);
    }

    .tag-purple {
      background: rgba(138, 92, 246, .12);
      color: #5436a6;
      border-color: rgba(138, 92, 246, .24);
    }

    .tag-orange {
      background: rgba(255, 169, 77, .16);
      color: #9c5d18;
      border-color: rgba(255, 169, 77, .28);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 44px;
      padding: 0 22px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      transition: var(--tr);
      line-height: 1;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--acid);
      color: #10150e;
    }

    .btn-primary:hover {
      background: var(--acid-hover);
      box-shadow: 0 0 0 4px rgba(184, 247, 60, .18);
      color: #10150e;
      transform: translateY(-2px);
    }

    .btn-outline {
      border-color: rgba(255, 255, 255, .35);
      color: #fff;
      background: transparent;
    }

    .btn-outline:hover {
      border-color: var(--acid);
      color: var(--acid);
      transform: translateY(-2px);
    }

    .btn-gradient {
      background: linear-gradient(135deg, var(--acid), var(--cyan));
      color: #0c110e;
      border: 0;
    }

    .btn-gradient:hover {
      box-shadow: 0 8px 28px rgba(49, 224, 205, .32);
      transform: translateY(-2px);
      color: #0c110e;
    }

    .btn-dark {
      background: #10150f;
      color: #fff;
    }

    .btn-dark:hover {
      background: var(--dark-section);
      color: var(--acid);
      transform: translateY(-2px);
    }

    .btn-light {
      background: #fff;
      color: var(--text-main);
    }

    .btn-light:hover {
      background: #f2f5ef;
      transform: translateY(-2px);
      box-shadow: var(--shadow-soft);
    }

    .text-arrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
    }

    .text-arrow i {
      transition: transform .24s ease;
    }

    .text-arrow:hover i {
      transform: translateX(5px);
    }

    section {
      position: relative;
    }

    /* Header */
    .site-header {
      background: rgba(11, 14, 13, .92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid rgba(255, 255, 255, .08);
    }

    .header-inner {
      height: 72px;
      display: flex;
      align-items: center;
      gap: 26px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
      text-decoration: none;
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--acid), var(--cyan));
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 15px;
      color: #0b0e0d;
      letter-spacing: .5px;
      box-shadow: 0 4px 16px rgba(184, 247, 60, .2);
    }

    .brand-text {
      display: flex;
      align-items: baseline;
      gap: 7px;
      white-space: nowrap;
    }

    .brand-name {
      font-weight: 800;
      font-size: 20px;
      color: #fff;
      letter-spacing: -.2px;
    }

    .brand-suffix {
      font-size: 12px;
      font-weight: 600;
      color: var(--acid);
      background: rgba(184, 247, 60, .12);
      border: 1px solid rgba(184, 247, 60, .22);
      padding: 3px 9px;
      border-radius: 999px;
      line-height: 1;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 4px;
      margin-left: 8px;
    }

    .main-nav a {
      position: relative;
      display: flex;
      align-items: center;
      height: 72px;
      padding: 0 16px;
      font-size: 15px;
      font-weight: 500;
      color: rgba(255, 255, 255, .78);
      text-decoration: none;
      letter-spacing: .2px;
    }

    .main-nav a::after {
      content: '';
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: -1px;
      height: 2px;
      background: linear-gradient(90deg, var(--acid), var(--cyan));
      border-radius: 2px 2px 0 0;
      opacity: 0;
      transform: scaleX(.5);
      transition: var(--tr);
    }

    .main-nav a:hover {
      color: var(--acid);
    }

    .main-nav a:hover::after,
    .main-nav a.active::after {
      opacity: 1;
      transform: scaleX(1);
    }

    .main-nav a.active {
      color: #fff;
    }

    .header-tools {
      margin-left: auto;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .search-box {
      position: relative;
      display: flex;
      align-items: center;
      height: 40px;
      width: 190px;
      background: rgba(255, 255, 255, .09);
      border: 1px solid transparent;
      border-radius: 999px;
      overflow: hidden;
      transition: var(--tr);
    }

    .search-box i {
      color: rgba(255, 255, 255, .65);
      font-size: 14px;
      padding-left: 14px;
    }

    .search-box input {
      flex: 1;
      background: transparent;
      border: 0;
      height: 100%;
      padding: 0 14px 0 8px;
      font-size: 14px;
      color: #fff;
      width: 90px;
    }

    .search-box input::placeholder {
      color: rgba(255, 255, 255, .5);
    }

    .search-box:focus-within {
      border-color: var(--acid);
      background: rgba(255, 255, 255, .14);
      width: 220px;
    }

    .btn-cta {
      height: 40px;
      padding: 0 20px;
      background: var(--acid);
      color: #0c110e;
      font-weight: 700;
      font-size: 14px;
      border-radius: 999px;
    }

    .btn-cta:hover {
      background: var(--acid-hover);
      transform: translateY(-2px);
      color: #0c110e;
      box-shadow: 0 6px 24px rgba(184, 247, 60, .25);
    }

    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .12);
      border-radius: 10px;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 4px;
      cursor: pointer;
    }

    .nav-toggle span {
      width: 18px;
      height: 2px;
      border-radius: 2px;
      background: #fff;
      display: block;
    }

    /* Category Hero */
    .cat-hero {
      background:
        linear-gradient(100deg, rgba(8, 11, 9, .94) 0%, rgba(8, 11, 9, .78) 45%, rgba(10, 15, 13, .55) 100%),
        url('/assets/images/backpic/back-2.png') center/cover no-repeat;
      background-blend-mode: multiply;
      padding: 88px 0 76px;
      border-bottom: 2px solid var(--acid);
      position: relative;
      overflow: hidden;
    }

    .cat-hero::after {
      content: '';
      position: absolute;
      width: 340px;
      height: 340px;
      right: -80px;
      top: -120px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(49, 224, 205, .22), transparent 70%);
      pointer-events: none;
    }

    .cat-hero-inner {
      position: relative;
      z-index: 2;
    }

    .cat-hero .tag {
      background: rgba(184, 247, 60, .15);
      color: var(--acid);
      border: 1px solid rgba(184, 247, 60, .3);
      border-radius: 999px;
      margin-bottom: 20px;
    }

    .cat-hero h1 {
      color: #fff;
      font-size: 42px;
      font-weight: 800;
      line-height: 1.18;
      margin: 0 0 16px;
      letter-spacing: .3px;
    }

    .cat-hero h1 em {
      font-style: normal;
      color: var(--acid);
    }

    .cat-hero-desc {
      color: rgba(255, 255, 255, .82);
      font-size: 16px;
      line-height: 1.8;
      max-width: 680px;
      margin: 0 0 28px;
    }

    .cat-hero-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 22px;
    }

    .stat-item {
      width: 150px;
      background: rgba(255, 255, 255, .05);
      border: 1px solid rgba(255, 255, 255, .12);
      border-radius: 16px;
      padding: 14px 18px;
      backdrop-filter: blur(6px);
    }

    .stat-item strong {
      display: block;
      font-size: 28px;
      color: var(--acid);
      font-weight: 800;
      line-height: 1.2;
    }

    .stat-item span {
      font-size: 12px;
      color: rgba(255, 255, 255, .6);
    }

    /* Section head */
    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 36px;
    }

    .section-head .eyebrow {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: #6b7a4e;
      letter-spacing: .12em;
      margin-bottom: 8px;
    }

    .section-head h2 {
      font-size: 30px;
      font-weight: 800;
      margin: 0;
      letter-spacing: .2px;
    }

    .section-head p {
      margin: 8px 0 0;
      color: var(--text-muted);
      font-size: 15px;
      max-width: 560px;
    }

    .head-link {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      white-space: nowrap;
    }

    .head-link i {
      transition: transform .24s ease;
    }

    .head-link:hover i {
      transform: translateX(4px);
    }

    .head-link:hover {
      color: #000;
    }

    /* Post cards */
    .feature-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--line-light);
      box-shadow: var(--shadow-soft);
      height: 100%;
      display: flex;
      transition: var(--tr);
      text-decoration: none;
    }

    .feature-card .thumb-wrap {
      width: 47%;
      min-height: 320px;
      background: #eceee9;
      position: relative;
    }

    .feature-card .thumb-wrap img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .feature-card .feature-body {
      padding: 34px 30px;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
    }

    .feature-card .feature-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }

    .feature-card .feature-meta time {
      font-size: 13px;
      color: var(--text-muted);
    }

    .feature-card h3 {
      font-size: 22px;
      line-height: 1.4;
      margin: 0 0 12px;
    }

    .feature-card p {
      color: #667069;
      line-height: 1.75;
      margin-bottom: 18px;
      overflow: hidden;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(184, 247, 60, .36);
    }

    .dark-panel {
      background: var(--dark-section);
      border-radius: var(--radius-lg);
      color: #fff;
      padding: 30px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      height: 100%;
      min-height: 320px;
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, .06);
    }

    .dark-panel::before {
      content: '';
      width: 180px;
      height: 180px;
      background: radial-gradient(circle, rgba(138, 92, 246, .32), transparent 70%);
      position: absolute;
      left: -40px;
      bottom: -50px;
    }

    .dark-panel .panel-kicker {
      margin-bottom: 10px;
      display: inline-flex;
      align-items: center;
      gap: 7px;
      font-size: 13px;
      font-weight: 600;
      color: var(--acid);
    }

    .dark-panel h3 {
      color: #fff;
      font-size: 22px;
      line-height: 1.35;
      margin-bottom: 10px;
    }

    .dark-panel p {
      color: rgba(255, 255, 255, .64);
      font-size: 14px;
    }

    .dark-panel .btn {
      margin-top: 22px;
      align-self: flex-start;
    }

    /* Standard post card */
    .post-card {
      background: var(--surface);
      border-radius: var(--radius-md);
      border: 1px solid var(--line-light);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-soft);
      height: 100%;
      transition: var(--tr);
    }

    .post-card .card-thumb {
      width: 100%;
      aspect-ratio: 16/9;
      overflow: hidden;
      background: #e8ebe5;
      position: relative;
      min-height: 156px;
    }

    .post-card .card-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .3s ease;
    }

    .post-card:hover .card-thumb img {
      transform: scale(1.04);
    }

    .post-card .card-body {
      padding: 20px 20px 18px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .post-card .card-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      margin-bottom: 12px;
    }

    .post-card .card-meta time {
      font-size: 12px;
      color: var(--text-muted);
    }

    .post-card h3 {
      font-size: 17px;
      font-weight: 700;
      line-height: 1.45;
      margin: 0 0 8px;
      color: #161a17;
    }

    .post-card .card-body p {
      font-size: 14px;
      color: #67726b;
      line-height: 1.65;
      margin-bottom: 16px;
      flex: 1;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .post-card .card-foot {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid #edf1ec;
      padding-top: 12px;
      margin-top: 2px;
    }

    .card-foot .text-arrow {
      font-size: 13px;
      color: #1d221e;
    }

    .post-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(184, 247, 60, .28);
    }

    .grid-spacing {
      row-gap: 26px;
    }

    /* News list small */
    .compact-list {
      margin-top: 40px;
      background: #fff;
      border: 1px solid var(--line-light);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .compact-list-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 20px 24px;
      border-bottom: 1px solid var(--line-light);
    }

    .compact-list-header h3 {
      font-size: 18px;
      margin: 0;
    }

    .compact-list-header a {
      font-size: 14px;
      font-weight: 600;
    }

    .compact-row {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 16px 24px;
      border-bottom: 1px solid #f0f3ef;
      transition: background .2s ease;
    }

    .compact-row:last-child {
      border-bottom: 0;
    }

    .compact-row:hover {
      background: #fafcf9;
    }

    .compact-row .mini-cover {
      width: 100px;
      height: 64px;
      border-radius: 10px;
      background: #e2e7e1;
      overflow: hidden;
      flex-shrink: 0;
    }

    .compact-row .mini-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .compact-row .mini-info {
      flex: 1;
    }

    .compact-row .mini-title {
      font-size: 15px;
      font-weight: 600;
      color: #1b201d;
      margin-bottom: 4px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .compact-row .mini-meta {
      font-size: 13px;
      color: #7a8580;
    }

    .compact-row .mini-meta span {
      margin-left: 8px;
    }

    .compact-row .row-arrow {
      color: #8b938e;
      font-size: 15px;
    }

    /* Pagination */
    .pagination-bar {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      margin-top: 46px;
    }

    .pagination-bar a,
    .pagination-bar span {
      min-width: 44px;
      height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      font-size: 14px;
      font-weight: 600;
      background: #fff;
      border: 1px solid var(--line-light);
      color: var(--text-main);
      padding: 0 12px;
      transition: var(--tr);
    }

    .pagination-bar a:hover {
      border-color: var(--acid);
      color: #0d1209;
      transform: translateY(-2px);
    }

    .pagination-bar .current {
      background: #10130f;
      color: var(--acid);
      border-color: #10130f;
    }

    .pagination-bar .arrow-page {
      font-size: 15px;
    }

    .pagination-bar .disabled {
      opacity: .4;
      pointer-events: none;
    }

    /* FAQ */
    .faq-section {
      background: #f0f3ec;
    }

    .faq-wrap {
      max-width: 850px;
      margin: 0 auto;
    }

    ul.accordion {
      list-style: none;
      margin: 0;
      padding: 0;
      background: transparent;
      border: 0;
    }

    .accordion-item {
      background: #fff;
      border: 1px solid var(--line-light);
      border-radius: 18px;
      margin-bottom: 16px;
      overflow: hidden;
      transition: var(--tr);
      list-style: none;
      padding: 0;
    }

    .accordion-item:hover {
      border-color: rgba(184, 247, 60, .44);
    }

    .accordion-title {
      font-size: 16px !important;
      font-weight: 700 !important;
      color: var(--text-main) !important;
      display: flex !important;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 22px !important;
      border: 0 !important;
      border-radius: 18px !important;
      background: #fff;
      position: relative;
    }

    .accordion-title::before {
      content: '' !important;
      font-family: none;
      width: 34px;
      height: 34px;
      background: rgba(184, 247, 60, .16);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-right: 14px;
      flex-shrink: 0;
      position: relative;
      color: #11170b;
    }

    .accordion-title::after {
      content: '⌄' !important;
      color: #a3ada6 !important;
      font-size: 20px;
      position: static !important;
      margin-left: auto;
      order: 3;
      transform: rotate(0);
      transition: transform .24s ease;
    }

    .accordion-item.is-active .accordion-title::after {
      transform: rotate(180deg);
    }

    .accordion-item.is-active,
    .accordion-item.is-active .accordion-title {
      border-color: rgba(184, 247, 60, .36);
    }

    .accordion-item.is-active .accordion-title::before {
      background: var(--acid);
      color: #11170b;
    }

    .accordion-item .accordion-title .q-icon {
      position: absolute;
      left: 18px;
      top: 22px;
      display: none;
    }

    .accordion-content {
      background: #fafcf9 !important;
      border: 0 !important;
      border-top: 1px solid #ecf0eb !important;
      color: #5a655e !important;
      font-size: 15px;
      line-height: 1.8;
      padding: 20px 24px 22px !important;
    }

    .accordion-content p {
      margin-bottom: 8px;
    }

    /* CTA Panel */
    .cta-wrap {
      padding: 84px 0;
      background: var(--dark-section);
      position: relative;
      overflow: hidden;
    }

    .cta-wrap::before {
      content: '';
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 420px;
      background:
        radial-gradient(circle at 10% 50%, rgba(138, 92, 246, .12), transparent 42%),
        radial-gradient(circle at 90% 20%, rgba(49, 224, 205, .15), transparent 40%);
      pointer-events: none;
    }

    .cta-panel {
      position: relative;
      z-index: 2;
      background: linear-gradient(135deg, #151c17, #0d110f);
      border: 1px solid rgba(255, 255, 255, .1);
      border-radius: 28px;
      padding: 50px 54px;
      display: flex;
      align-items: center;
      gap: 40px;
      justify-content: space-between;
      box-shadow: 0 24px 60px rgba(0, 0, 0, .18);
      overflow: hidden;
    }

    .cta-panel::after {
      content: '';
      width: 260px;
      height: 260px;
      position: absolute;
      right: -60px;
      top: -100px;
      background: radial-gradient(circle, rgba(184, 247, 60, .18), transparent 70%);
      pointer-events: none;
    }

    .cta-left h2 {
      color: #fff;
      font-size: 30px;
      line-height: 1.3;
      margin: 0 0 10px;
    }

    .cta-left p {
      color: rgba(255, 255, 255, .64);
      margin: 0;
      font-size: 15px;
    }

    .cta-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
      position: relative;
      z-index: 3;
    }

    /* Footer */
    .site-footer {
      background: #0b0e0d;
      color: #aeb8b2;
      padding-top: 72px;
    }

    .site-footer .grid-container {
      border-bottom: 1px solid rgba(255, 255, 255, .08);
      padding-bottom: 38px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2.4fr 1.2fr 1.2fr 1.6fr;
      gap: 38px;
    }

    .site-footer .brand {
      margin-bottom: 16px;
    }

    .site-footer .brand-name {
      font-size: 18px;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.8;
      color: #94a19b;
      margin: 16px 0 0;
    }

    .footer-title {
      color: #fff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 18px;
      letter-spacing: .2px;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
      align-items: flex-start;
    }

    .footer-links a {
      font-size: 14px;
      color: #94a19b;
      text-decoration: none;
      line-height: 1.6;
    }

    .footer-links a:hover {
      color: var(--acid);
      padding-left: 4px;
    }

    .footer-note p {
      font-size: 13px;
      line-height: 1.7;
      color: #7d8b85;
      margin-bottom: 10px;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 30px;
      color: #71807a;
      font-size: 13px;
      padding: 20px 0;
    }

    .footer-bottom a {
      color: #bfc9c4;
    }

    .footer-bottom a:hover {
      color: var(--acid);
    }

    @media (max-width: 1023px) {
      .section {
        padding: 72px 0;
      }

      .cat-hero h1 {
        font-size: 34px;
      }

      .header-inner {
        gap: 12px;
      }

      .main-nav a {
        padding: 0 10px;
      }

      .search-box {
        width: 40px;
        overflow: hidden;
        justify-content: center;
        padding: 0;
      }

      .search-box i {
        padding: 0;
      }

      .search-box input {
        display: none;
      }

      .search-box:focus-within {
        width: 200px;
      }

      .search-box:focus-within input {
        display: block;
      }

      .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
      }

      .btn-cta {
        padding: 0 14px;
      }
    }

    @media (max-width: 767px) {
      .section {
        padding: 52px 0;
      }

      .cat-hero {
        padding: 54px 0 40px;
      }

      .cat-hero h1 {
        font-size: 27px;
      }

      .cat-hero-desc {
        font-size: 14px;
      }

      .cat-hero-stats .stat-item {
        width: 46%;
      }

      .header-inner {
        height: 64px;
      }

      .main-nav {
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #0e120f;
        flex-direction: column;
        padding: 12px 20px 16px;
        gap: 2px;
        margin-left: 0;
        border-bottom: 1px solid rgba(255, 255, 255, .08);
        box-shadow: 0 18px 40px rgba(0, 0, 0, .35);
        display: none;
        z-index: 40;
      }

      .main-nav.open {
        display: flex;
      }

      .main-nav a {
        height: 46px;
        width: 100%;
        display: flex;
        align-items: center;
        border-radius: 10px;
        padding: 0 14px;
      }

      .main-nav a:hover {
        background: rgba(255, 255, 255, .05);
      }

      .main-nav a::after {
        display: none;
      }

      .main-nav a.active {
        background: rgba(184, 247, 60, .12);
        color: var(--acid);
      }

      .nav-toggle {
        display: inline-flex;
      }

      .header-tools .search-box {
        display: none;
      }

      .btn-cta {
        height: 38px;
        font-size: 13px;
        padding: 0 14px;
      }

      .header-tools {
        gap: 8px;
      }

      .feature-card {
        flex-direction: column;
      }

      .feature-card .thumb-wrap {
        width: 100%;
        height: 180px;
        min-height: 0;
        position: relative;
      }

      .feature-card .feature-body {
        padding: 22px 20px;
      }

      .feature-card h3 {
        font-size: 19px;
      }

      .dark-panel {
        min-height: 260px;
        padding: 24px;
      }

      .section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        margin-bottom: 24px;
      }

      .section-head h2 {
        font-size: 24px;
      }

      .grid-spacing {
        row-gap: 18px;
      }

      .cta-panel {
        flex-direction: column;
        padding: 30px 24px;
        align-items: flex-start;
      }

      .cta-left h2 {
        font-size: 22px;
      }

      .cta-actions {
        width: 100%;
        flex-wrap: wrap;
      }

      .cta-actions .btn {
        flex: 1;
      }

      .footer-top {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .footer-bottom {
        gap: 12px;
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .brand-suffix {
        display: none;
      }

      .btn-cta {
        text-indent: -9999px;
        width: 42px;
        height: 42px;
        border-radius: 12px;
        position: relative;
        padding: 0;
      }

      .btn-cta::after {
        content: '↗';
        text-indent: 0;
        position: absolute;
        font-size: 18px;
        left: 0;
        right: 0;
        top: 10px;
        text-align: center;
      }

      .cat-hero h1 {
        font-size: 24px;
      }

      .stat-item strong {
        font-size: 22px;
      }

      .post-card h3 {
        font-size: 16px;
      }

      .compact-row {
        padding: 12px 16px;
      }

      .compact-row .mini-cover {
        display: none;
      }
    }

/* roulang page: category3 */
:root {
  --carbon: #0c100f;
  --carbon-2: #111816;
  --surface: #f3f5f2;
  --paper: #ffffff;
  --text: #1b2220;
  --muted: #5f6965;
  --line: #d7ded9;
  --accent: #c4f538;
  --accent-2: #4be6bd;
  --violet: #8a61ff;
  --orange: #ff9e55;
  --danger: #e8574f;
  --radius-main: 24px;
  --radius-card: 18px;
  --radius-btn: 10px;
  --shadow-sm: 0 8px 18px rgba(12, 16, 15, .06);
  --shadow-md: 0 16px 36px rgba(12, 16, 15, .09);
  --shadow-lg: 0 26px 58px rgba(12, 16, 15, .14);
  --transition: .22s ease-out;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--surface);
  word-break: break-word;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

ul,
ol,
p,
h1,
h2,
h3,
h4,
figure {
  margin: 0;
  padding: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease;
}

button,
input {
  font: inherit;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(196, 245, 56, .5);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  max-width: 1260px;
  margin: 0 auto;
  padding-left: 28px;
  padding-right: 28px;
}

.grid-container {
  max-width: 1280px;
}

.section {
  padding: 96px 0;
}

.section-tight {
  padding: 70px 0;
}

.grid-x {
  display: flex;
  flex-flow: row wrap;
}

.grid-x > .cell {
  width: 100%;
}

@media (min-width: 1024px) {
  .large-5 {
    width: 41.666%;
  }
  .large-6 {
    width: 50%;
  }
  .large-7 {
    width: 58.333%;
  }
  .medium-4 {
    width: 33.333%;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .medium-6 {
    width: 50%;
  }
}

.grid-margin-x {
  margin-left: -12px;
  margin-right: -12px;
}

.grid-margin-x > .cell {
  padding: 0 12px;
  margin-bottom: 24px;
}

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: rgba(10, 14, 13, .78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b0f0d;
  font-weight: 900;
  font-size: 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -.02em;
  box-shadow: 0 4px 22px rgba(196, 245, 56, .24);
}

.brand-text {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  line-height: 1.2;
}

.brand-name {
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  letter-spacing: -.03em;
}

.brand-suffix {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(196, 245, 56, .1);
  border: 1px solid rgba(196, 245, 56, .28);
  padding: 3px 7px;
  border-radius: 99px;
  line-height: 1;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: 8px;
}

.main-nav a {
  color: rgba(255, 255, 255, .72);
  font-size: 15px;
  font-weight: 500;
  padding: 9px 0;
  position: relative;
  white-space: nowrap;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  color: #fff;
}

.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
}

.main-nav a.active {
  color: var(--accent);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 99px;
  height: 40px;
  padding: 0 13px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-box i {
  color: rgba(255, 255, 255, .52);
  font-size: 14px;
}

.search-box input {
  width: 150px;
  background: transparent;
  border: 0;
  outline: none;
  color: #fff;
  font-size: 14px;
  transition: width .25s ease;
}

.search-box input::placeholder {
  color: rgba(255, 255, 255, .5);
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(196, 245, 56, .1);
}

.search-box input:focus {
  width: 190px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  cursor: pointer;
  font-weight: 700;
  line-height: 1;
  border-radius: var(--radius-btn);
  height: 44px;
  padding: 0 20px;
  transition: background .2s ease, color .2s ease, border .2s ease, box-shadow .2s ease, transform .2s ease;
}

.btn-primary {
  background: var(--accent);
  color: #111811;
}

.btn-primary:hover {
  background: #d1ff6e;
  box-shadow: 0 8px 28px rgba(196, 245, 56, .24);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .42);
  color: #fff;
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--carbon);
  color: #fff;
}

.btn-dark:hover {
  background: #1a211e;
  box-shadow: var(--shadow-sm);
}

.btn-lg {
  height: 50px;
  padding: 0 26px;
  font-size: 16px;
}

.btn-cta {
  height: 40px;
  padding: 0 17px;
  font-size: 14px;
  background: var(--accent);
  color: #101512;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  border-radius: 10px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 99px;
  background: #fff;
  transition: transform .2s ease;
}

.category-hero {
  position: relative;
  padding: 120px 0 96px;
  background: linear-gradient(105deg, rgba(8, 12, 11, .94) 0%, rgba(12, 18, 16, .82) 58%, rgba(28, 38, 32, .7) 100%), url("/assets/images/backpic/back-1.webp") center center / cover no-repeat;
  color: #fff;
  overflow: hidden;
}

.category-hero::after {
  content: "";
  pointer-events: none;
  position: absolute;
  width: 500px;
  height: 500px;
  right: -180px;
  top: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(196, 245, 56, .15), transparent 62%);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, .55);
  font-size: 13px;
  margin-bottom: 28px;
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb i {
  font-size: 11px;
  opacity: .6;
}

.hero-main {
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--accent);
  border: 1px solid rgba(196, 245, 56, .38);
  background: rgba(196, 245, 56, .08);
  border-radius: 99px;
  padding: 7px 13px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 22px;
}

.category-hero h1 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  max-width: 720px;
}

.category-hero h1 .keyword {
  color: var(--accent);
}

.hero-lead {
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .74);
  max-width: 660px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.hero-panel {
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius-main);
  padding: 24px;
  backdrop-filter: blur(10px);
}

.hero-panel-title {
  color: rgba(255, 255, 255, .48);
  font-size: 13px;
  letter-spacing: .1em;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-panel-title i {
  color: var(--accent);
}

.hero-panel-item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.hero-panel-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.hero-panel-index {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(196, 245, 56, .1);
  color: var(--accent);
  border-radius: 11px;
  font-weight: 800;
}

.hero-panel-item h3 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 3px;
}

.hero-panel-item p {
  color: rgba(255, 255, 255, .58);
  font-size: 13px;
  line-height: 1.7;
}

.section-head {
  margin-bottom: 48px;
  max-width: 760px;
}

.section-head.is-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(26px, 3.2vw, 38px);
  line-height: 1.35;
  letter-spacing: -.02em;
  color: var(--text);
  margin: 10px 0 14px;
}

.section-head p {
  color: var(--muted);
  font-size: 16px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-weight: 800;
  background: rgba(196, 245, 56, .12);
  padding: 6px 13px;
  border-radius: 99px;
  font-size: 13px;
  letter-spacing: .04em;
}

.eyebrow.dark {
  background: rgba(196, 245, 56, .12);
}

.route-section {
  background: var(--paper);
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.route-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 26px 22px;
  background: #fbfcfa;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.route-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(196, 245, 56, .66);
}

.route-num {
  font-size: 32px;
  font-weight: 900;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color: #d1d9d4;
  line-height: 1;
  display: block;
  margin-bottom: 18px;
}

.route-item h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 10px;
}

.route-item p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.leading-split {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 46px;
  align-items: center;
}

.leading-copy .eyebrow {
  color: #7f9c2b;
}

.leading-copy h2 {
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.4;
  margin: 14px 0 16px;
  letter-spacing: -.02em;
}

.leading-copy > p {
  color: var(--muted);
  margin-bottom: 22px;
}

.leading-list {
  list-style: none;
  border-top: 1px solid var(--line);
  margin-top: 20px;
}

.leading-list li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  font-size: 15px;
}

.leading-list i {
  color: var(--accent);
  background: rgba(196, 245, 56, .13);
  border-radius: 8px;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  margin-top: 5px;
  flex-shrink: 0;
}

.leading-visual {
  background: var(--carbon);
  border-radius: var(--radius-main);
  padding: 20px;
  overflow: hidden;
  color: #fff;
  box-shadow: var(--shadow-lg);
}

.leading-visual img {
  border-radius: 16px;
  margin-bottom: 18px;
  min-height: 250px;
  object-fit: cover;
}

.route-code {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 4px 6px;
}

.route-code div {
  display: flex;
  gap: 13px;
  align-items: center;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 14px;
  padding: 12px 14px;
}

.route-code .step-dot {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  border-radius: 10px;
  background: rgba(196, 245, 56, .12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-weight: 800;
  font-size: 13px;
}

.route-code span {
  color: rgba(255, 255, 255, .72);
  font-size: 14px;
}

.light-band {
  background: var(--paper);
}

.dark-callout {
  background: var(--carbon);
  color: #fff;
  border-radius: 28px;
  padding: 44px;
  overflow: hidden;
}

.callout-top {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: flex-end;
  margin-bottom: 30px;
}

.callout-top h2 {
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.35;
  max-width: 520px;
  color: #fff;
}

.callout-top p {
  color: rgba(255, 255, 255, .62);
  max-width: 300px;
}

.callout-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.callout-grid .cell-card {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 18px;
  padding: 20px;
  transition: transform var(--transition), border-color var(--transition);
}

.callout-grid .cell-card:hover {
  border-color: rgba(196, 245, 56, .5);
  transform: translateY(-4px);
}

.cell-card i {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(196, 245, 56, .14);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  margin-bottom: 16px;
}

.cell-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: #fff;
}

.cell-card p {
  color: rgba(255, 255, 255, .62);
  font-size: 14px;
  line-height: 1.75;
}

.card-spot {
  border: 1px solid var(--line);
  background: #fcfcfa;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  height: 100%;
}

.card-spot:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(196, 245, 56, .7);
}

.card-spot img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  background: #d0d7d2;
}

.card-body {
  padding: 22px;
}

.card-tag {
  display: inline-block;
  font-size: 12px;
  line-height: 1;
  background: #eceff0;
  padding: 7px 10px;
  border-radius: 99px;
  color: #3d4541;
  margin-bottom: 13px;
  font-weight: 600;
}

.card-tag.spot {
  background: rgba(196, 245, 56, .15);
  color: #4d6116;
}

.card-body h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--text);
  line-height: 1.6;
}

.card-body p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.card-more {
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  position: relative;
  padding-bottom: 2px;
}

.card-more i {
  transition: transform var(--transition);
}

.card-more:hover {
  color: #70961a;
}

.card-more:hover i {
  transform: translateX(5px);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-grid .wide-card {
  grid-column: span 2;
}

.feature-grid .cell {
  min-width: 0;
}

.faq-section {
  background: var(--paper);
}

.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 6px 0;
}

.faq-list summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 20px 4px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  transition: color .2s ease;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary:hover {
  color: #6f901e;
}

.faq-list summary .faq-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(196, 245, 56, .16);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  border: 1px solid rgba(196, 245, 56, .2);
  transition: transform .25s ease, background .2s ease;
}

.faq-list details[open] .faq-icon {
  transform: rotate(135deg);
  background: var(--accent);
}

.faq-answer {
  padding: 2px 34px 20px 4px;
  color: var(--muted);
  line-height: 1.85;
  font-size: 15px;
}

.cta-panel {
  position: relative;
  border-radius: 28px;
  background: linear-gradient(120deg, rgba(5, 8, 7, .94), rgba(12, 20, 17, .82)), url("/assets/images/backpic/back-2.png") center / cover;
  color: #fff;
  padding: 62px 56px;
  overflow: hidden;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: var(--shadow-lg);
}

.cta-panel::after {
  content: "";
  position: absolute;
  right: -130px;
  bottom: -180px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(196, 245, 56, .22), transparent 68%);
  pointer-events: none;
}

.cta-copy h2 {
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.4;
  color: #fff;
  margin-bottom: 12px;
}

.cta-copy p {
  color: rgba(255, 255, 255, .68);
  font-size: 16px;
  max-width: 560px;
  margin-bottom: 8px;
}

.cta-actions {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  flex-shrink: 0;
}

.pager-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding-top: 10px;
}

.page-item {
  min-width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 13px;
  font-weight: 600;
  font-size: 14px;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}

.page-item:hover {
  border-color: var(--accent);
  color: #5a760f;
}

.page-item.is-current {
  background: var(--carbon);
  color: var(--accent);
  border-color: var(--carbon);
  cursor: default;
}

.page-item.is-muted {
  opacity: .45;
  pointer-events: none;
}

.site-footer {
  margin-top: 0;
  background: #0a0e0d;
  color: rgba(255, 255, 255, .68);
  padding: 84px 0 36px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.4fr;
  gap: 36px;
  padding-bottom: 52px;
  border-bottom: 1px solid rgba(255, 255, 255, .09);
  margin-bottom: 26px;
}

.footer-brand p {
  color: rgba(255, 255, 255, .55);
  font-size: 14px;
  line-height: 1.9;
  margin-top: 20px;
  max-width: 320px;
}

.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  margin: 8px 0 18px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.footer-links a {
  color: rgba(255, 255, 255, .58);
  font-size: 14px;
  transition: color .2s ease, transform .2s ease;
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateX(3px);
}

.footer-note {
  color: rgba(255, 255, 255, .46);
  font-size: 13px;
  line-height: 1.9;
}

.footer-note p {
  margin-bottom: 12px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: rgba(255, 255, 255, .36);
  font-size: 13px;
}

.footer-bottom a {
  color: rgba(196, 245, 56, .78);
}

.footer-bottom a:hover {
  text-decoration: underline;
}

@media (max-width: 1023px) and (min-width: 768px) {
  .main-nav {
    gap: 18px;
  }
  .search-box {
    display: none;
  }
  .route-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .leading-split {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .callout-grid,
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
    gap: 26px;
  }
}

@media (max-width: 767px) {
  .section {
    padding: 64px 0;
  }
  .container,
  .grid-container {
    padding-left: 18px;
    padding-right: 18px;
  }
  .header-inner {
    flex-wrap: wrap;
    min-height: 66px;
  }
  .brand-name {
    font-size: 19px;
  }
  .main-nav {
    display: none;
    order: 5;
    width: 100%;
    background: rgba(13, 19, 17, .96);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 18px;
    padding: 16px;
    margin: 4px 0 12px;
    gap: 8px;
    flex-direction: column;
    align-items: stretch;
  }
  .site-header.nav-open .main-nav {
    display: flex;
  }
  .main-nav a {
    padding: 11px 10px;
    border-radius: 10px;
    white-space: normal;
  }
  .main-nav a:hover {
    background: rgba(255, 255, 255, .06);
  }
  .header-tools {
    margin-left: auto;
  }
  .search-box {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .category-hero {
    padding: 94px 0 64px;
  }
  .category-hero h1 {
    font-size: 30px;
  }
  .hero-actions .btn-lg {
    width: 100%;
  }
  .hero-panel {
    margin-top: 24px;
    padding: 18px;
  }
  .section-head {
    margin-bottom: 34px;
  }
  .route-grid,
  .feature-grid,
  .callout-grid,
  .footer-top {
    grid-template-columns: 1fr;
  }
  .feature-grid .wide-card {
    grid-column: span 1;
  }
  .card-spot img {
    height: 155px;
  }
  .cta-panel {
    padding: 34px 22px;
    flex-direction: column;
    align-items: flex-start;
    border-radius: 22px;
  }
  .cta-actions {
    width: 100%;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .faq-list summary {
    font-size: 15px;
    padding: 15px 2px;
  }
  .callout-top {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-bottom {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category4 */
:root {
  --bg-ink: #0b0e0d;
  --bg-deep: #111714;
  --bg-soft: #eff2ea;
  --card-bg: #ffffff;
  --paper: #f5f7f1;
  --text-main: #253029;
  --text-soft: #59665d;
  --text-mute: #7c877f;
  --line: #dde4d8;
  --acid: #c8f843;
  --acid-hover: #d7ff63;
  --acid-dark: #24300d;
  --cyan: #2ee6d2;
  --violet: #8a6de0;
  --orange: #ffb13c;
  --radius-xl: 26px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 9px;
  --shadow-card: 0 8px 30px rgba(23, 38, 23, .08);
  --shadow-hover: 0 18px 42px rgba(23, 55, 23, .13);
  --header-h: 72px;
  --font-stack: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Noto Sans CJK SC", -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--paper);
  color: var(--text-main);
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

body.nav-lock {
  overflow: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;
}

a:hover,
a:focus-visible {
  color: var(--acid-hover);
}

ul,
ol,
p,
h1,
h2,
h3,
h4,
figure {
  margin: 0;
  padding: 0;
}

ul,
ol {
  list-style: none;
}

input,
button {
  font-family: inherit;
}

button:focus,
a:focus,
input:focus {
  outline: none;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
.accordion-title:focus-visible {
  outline: 3px solid rgba(200, 248, 67, .55);
  outline-offset: 3px;
}

.grid-container {
  max-width: 1260px;
  padding-left: 26px;
  padding-right: 26px;
  margin: 0 auto;
}

::selection {
  background: var(--acid);
  color: var(--bg-ink);
}

/* ======= 按钮体系 ======= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 22px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .2s ease-out;
  white-space: nowrap;
  text-align: center;
}

.btn-primary {
  background: var(--acid);
  color: #161e08;
  border-color: var(--acid);
}

.btn-primary:hover {
  background: var(--acid-hover);
  border-color: var(--acid-hover);
  color: #111803;
  box-shadow: 0 0 22px rgba(200, 248, 67, .32);
  transform: translateY(-1px);
  text-decoration: none;
}

.btn-secondary {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .4);
  color: #f4f5ec;
}

.btn-secondary:hover {
  border-color: var(--acid);
  color: var(--acid);
  background: rgba(200, 248, 67, .08);
}

.btn-ghost {
  background: #101813;
  color: #f2f4ec;
  border: 1px solid #3b453d;
}

.btn-ghost:hover {
  border-color: var(--acid);
  color: var(--acid);
}

.btn-gradient {
  background: linear-gradient(135deg, var(--acid) 0%, var(--cyan) 100%);
  color: #0a281f;
  border: 0;
}

.btn-gradient:hover {
  color: #0a1c16;
  box-shadow: 0 0 28px rgba(46, 230, 210, .35);
  transform: translateY(-2px);
}

.btn-sm {
  height: 38px;
  padding: 0 16px;
  font-size: 14px;
}

/* ======= 顶部导航 ======= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: rgba(9, 14, 11, .86);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, .05);
  z-index: 100;
  transition: background .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.site-header.is-scrolled {
  background: rgba(7, 10, 9, .94);
  box-shadow: 0 8px 30px rgba(0, 0, 0, .24);
  border-bottom-color: rgba(200, 248, 67, .15);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  gap: 11px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--acid), var(--cyan));
  color: #0c1913;
  font-weight: 900;
  font-size: 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -0.5px;
  box-shadow: 0 0 22px rgba(200, 248, 67, .3);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: .3px;
  color: #fff;
  background: linear-gradient(110deg, #ffffff, var(--acid));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-suffix {
  font-size: 11px;
  font-weight: 500;
  color: #b9c7b0;
  background: rgba(200, 248, 67, .1);
  padding: 0 6px;
  border-radius: 5px;
  margin-top: 3px;
  width: fit-content;
  letter-spacing: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0 auto;
}

.main-nav a {
  position: relative;
  padding: 8px 14px;
  color: #d6ddce;
  border-radius: 8px;
  font-size: 15px;
  text-align: center;
  white-space: nowrap;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--acid), var(--cyan));
  opacity: 0;
  transform: scaleX(.5);
  transition: all .2s ease-out;
}

.main-nav a:hover {
  color: var(--acid);
  background: rgba(200, 248, 67, .07);
}

.main-nav a:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.main-nav a.active {
  color: var(--acid);
  font-weight: 700;
}

.main-nav a.active::after {
  opacity: 1;
  transform: scaleX(1);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .09);
  border: 1px solid rgba(255, 255, 255, .1);
  transition: width .25s ease, border-color .2s ease, background .2s ease;
}

.search-box i {
  color: #aab5aa;
  font-size: 13px;
}

.search-box input {
  width: 110px;
  border: 0;
  background: transparent;
  color: #eff3e9;
  font-size: 14px;
  transition: width .26s ease;
}

.search-box input::placeholder {
  color: #8a958a;
}

.search-box:focus-within {
  width: 260px;
  border-color: rgba(200, 248, 67, .7);
  background: rgba(200, 248, 67, .07);
}

.search-box:focus-within input {
  width: 180px;
}

.search-box input:focus {
  outline: none;
}

.btn-cta {
  height: 42px;
  padding: 0 20px;
  font-size: 14px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: 0;
  cursor: pointer;
  border-radius: 10px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}

.site-header.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ======= 分类首屏 ======= */
.category-hero {
  position: relative;
  color: #f3f8ef;
  overflow: hidden;
  background: #0c110e;
  padding: 108px 0 84px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: .42;
  z-index: 0;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(112deg, rgba(7, 11, 9, .95) 6%, rgba(8, 14, 10, .8) 43%, rgba(12, 20, 15, .62) 100%);
}

.hero-orb {
  position: absolute;
  z-index: 1;
  border-radius: 50%;
  filter: blur(70px);
  pointer-events: none;
}

.hero-orb.one {
  width: 360px;
  height: 360px;
  right: -60px;
  top: -70px;
  background: rgba(141, 108, 224, .4);
  opacity: .42;
}

.hero-orb.two {
  width: 280px;
  height: 280px;
  left: 42%;
  bottom: -130px;
  background: rgba(46, 230, 210, .26);
  opacity: .3;
}

.hero-inner {
  position: relative;
  z-index: 2;
}

.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #b9c5b6;
  font-size: 14px;
  margin-bottom: 30px;
}

.crumb a:hover {
  color: var(--acid);
}

.crumb i {
  font-size: 12px;
  color: #677469;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(200, 248, 67, .35);
  background: rgba(200, 248, 67, .08);
  color: var(--acid);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 600;
  gap: 7px;
  letter-spacing: .5px;
}

.category-hero h1 {
  font-size: clamp(34px, 4.2vw, 52px);
  line-height: 1.2;
  letter-spacing: .3px;
  margin-top: 20px;
  font-weight: 900;
  color: #fff;
}

.category-hero h1 .dot {
  color: var(--acid);
}

.hero-lead {
  max-width: 620px;
  color: #c3d0bd;
  margin-top: 20px;
  font-size: 16px;
  line-height: 1.85;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 44px;
  align-items: stretch;
}

.metric-card {
  flex: 1 1 150px;
  min-width: 140px;
  background: rgba(4, 9, 6, .62);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 18px;
  padding: 16px 18px;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.metric-card strong {
  display: block;
  font-size: 30px;
  font-weight: 900;
  color: var(--acid);
  letter-spacing: 1px;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.metric-card span {
  display: block;
  margin-top: 4px;
  color: #b4bfae;
  font-size: 13px;
}

/* ======= 板块标题 ======= */
.section-block {
  padding: 84px 0;
}

.section-block.soft-bg {
  background: var(--bg-soft);
}

.section-block.white-bg {
  background: #fff;
}

.section-head {
  max-width: 720px;
  margin-bottom: 40px;
}

.section-kicker {
  color: #00a58a;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-kicker::before {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--acid), var(--cyan));
  border-radius: 20px;
}

.section-head h2 {
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 900;
  line-height: 1.3;
  margin-top: 12px;
  color: var(--text-main);
}

.section-head p {
  margin-top: 12px;
  color: var(--text-soft);
  line-height: 1.85;
}

/* ======= 为什么看这页 ======= */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  transition: transform .22s ease-out, box-shadow .22s ease-out, border-color .2s ease-out;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(138, 164, 71, .45);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--bg-ink);
  margin-bottom: 20px;
}

.feature-icon.acid {
  background: rgba(200, 248, 67, .16);
  color: #7cb11b;
}

.feature-icon.cyan {
  background: rgba(46, 230, 210, .13);
  color: #08a890;
}

.feature-icon.violet {
  background: rgba(138, 109, 224, .15);
  color: #7a5ad0;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.8;
}

/* ======= FAQ 主题覆盖 ======= */
.coverage-block {
  background: linear-gradient(180deg, #eef1e8, #e7ece2);
  position: relative;
}

.coverage-wrap {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 30px;
  align-items: stretch;
}

.coverage-media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 450px;
  background: #c7d0bb;
}

.coverage-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.coverage-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(0, 0, 0, .12), rgba(10, 15, 6, .5));
}

.coverage-media-caption {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 24px;
  color: #fff;
  z-index: 2;
}

.coverage-media-caption span {
  font-weight: 700;
  font-size: 15px;
  color: var(--acid);
}

.coverage-media-caption strong {
  display: block;
  margin-top: 6px;
  font-size: 21px;
  line-height: 1.4;
}

.coverage-media-caption p {
  margin-top: 8px;
  color: rgba(255, 255, 255, .7);
  font-size: 15px;
}

.coverage-media .tag-new {
  position: absolute;
  right: 20px;
  top: 20px;
  background: rgba(200, 248, 67, .92);
  color: #121607;
  border-radius: 99px;
  font-weight: 700;
  padding: 6px 12px;
  font-size: 13px;
  z-index: 3;
}

.coverage-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cov-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: #fff;
  border-radius: 18px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 1);
  box-shadow: 0 7px 24px rgba(37, 52, 31, .05);
  transition: transform .2s ease-out, box-shadow .2s ease-out, border-color .2s ease-out;
}

.cov-item:hover {
  transform: translateY(-3px);
  border-color: var(--acid);
  box-shadow: 0 14px 30px rgba(35, 59, 28, .11);
}

.cov-icon {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  background: rgba(200, 248, 67, .16);
  color: #6d9c20;
}

.cov-icon.violet {
  background: rgba(138, 109, 224, .12);
  color: #7755ca;
}

.cov-icon.cyan {
  background: rgba(46, 230, 210, .12);
  color: #089f8a;
}

.cov-icon.orange {
  background: rgba(255, 177, 60, .15);
  color: #e18c11;
}

.cov-item-text h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 5px;
}

.cov-item-text p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.75;
}

.cov-item-text .tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.mini-tag {
  font-size: 12px;
  color: #68766a;
  background: #f0f4ea;
  border-radius: 99px;
  padding: 3px 10px;
}

.mini-tag.acid {
  background: rgba(200, 248, 67, .16);
  color: #4f741b;
}

/* ======= 自检流程 ======= */
.steps-block {
  position: relative;
  background: #0a0f0c;
  color: #f3f7ef;
  overflow: hidden;
}

.steps-block .orbline {
  position: absolute;
  top: 0;
  right: 0;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(46, 230, 210, .12), transparent 70%);
  opacity: .3;
}

.steps-title {
  max-width: 540px;
}

.steps-title h2 {
  color: #fff;
  margin-top: 12px;
  font-weight: 900;
  font-size: 30px;
}

.steps-title p {
  color: #9dac9e;
  margin-top: 14px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 44px;
  position: relative;
  z-index: 2;
}

.step-item {
  border: 1px solid rgba(255, 255, 255, .1);
  background: rgba(18, 28, 24, .82);
  border-radius: 19px;
  padding: 24px 20px 22px;
  transition: transform .2s ease-out, border-color .2s ease-out;
  position: relative;
}

.step-item:hover {
  transform: translateY(-4px);
  border-color: rgba(200, 248, 67, .42);
}

.step-no {
  font-size: 13px;
  color: var(--acid);
  font-weight: 800;
  letter-spacing: 1px;
}

.step-dot {
  font-size: 24px;
  color: #27342b;
  font-weight: 900;
  margin: 4px 0 12px;
}

.step-item h3 {
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 8px;
}

.step-item p {
  color: #9aa99b;
  font-size: 14px;
  line-height: 1.75;
}

/* ======= FAQ 折叠区 ======= */
.faq-section {
  background: #fbfcf7;
  padding: 88px 0;
}

.faq-layout {
  display: grid;
  grid-template-columns: .92fr 1.45fr;
  gap: 38px;
  align-items: start;
}

.faq-side {
  position: sticky;
  top: 102px;
  border-radius: var(--radius-xl);
  background: #101713;
  color: #fff;
  padding: 30px;
  overflow: hidden;
}

.faq-side::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 190px;
  height: 190px;
  background: rgba(200, 248, 67, .09);
  border-radius: 50%;
}

.faq-side h2 {
  font-size: 27px;
  color: #fff;
  line-height: 1.35;
}

.faq-side > p {
  margin-top: 14px;
  color: #a7b8a9;
  font-size: 14px;
  line-height: 1.8;
}

.faq-side .check-wrap {
  margin-top: 26px;
}

.faq-side .check-wrap li {
  display: flex;
  gap: 10px;
  color: #ccd6ca;
  font-size: 14px;
  margin-bottom: 9px;
  line-height: 1.5;
}

.faq-side .check-wrap i {
  color: var(--acid);
  margin-top: 4px;
  font-size: 13px;
}

.faq-side .side-btn {
  margin-top: 24px;
}

.qa-wrap {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.qa-accordion {
  grid-gap: 14px !important;
}

.qa-accordion .accordion-item {
  background: #fff;
  border: 1px solid #dee5d7;
  border-radius: 17px;
  overflow: hidden;
  transition: box-shadow .2s ease, border-color .2s ease;
}

.qa-accordion .accordion-item.is-active {
  border-color: rgba(169, 228, 47, .55);
  box-shadow: 0 10px 32px rgba(39, 66, 33, .1);
}

.qa-accordion .accordion-title {
  background: #fff;
  color: var(--text-main);
  border-bottom: 1px solid transparent;
  font-size: 16px;
  font-weight: 800;
  padding: 20px 56px 20px 20px;
  line-height: 1.5;
  position: relative;
  min-height: 64px;
  display: flex;
  align-items: center;
}

.qa-accordion .accordion-title::before {
  content: "";
  position: absolute;
  width: 35px;
  height: 35px;
  left: 16px;
  top: 50%;
  margin-top: -17.5px;
  background: rgba(200, 248, 67, .14);
  border-radius: 10px;
  border: 0;
  transform: none;
}

.qa-accordion .accordion-item .accordion-title {
  padding-left: 65px;
}

.qa-accordion .accordion-title::after {
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 14px;
  color: #6d7c68;
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: #eef2e8;
  transition: all .22s ease-out;
}

.qa-accordion .accordion-title:hover::after {
  color: var(--acid-dark);
  background: var(--acid);
}

.qa-accordion .accordion-item.is-active > .accordion-title::after {
  content: "\f068";
  background: var(--acid);
  color: var(--acid-dark);
}

.qa-accordion .accordion-content {
  background: #fbfff7;
  color: var(--text-soft);
  padding: 0 22px 20px 65px;
  font-size: 15px;
  line-height: 1.85;
}

.qa-accordion .accordion-content .qa-more {
  color: var(--acid-dark);
  background: rgba(200, 248, 67, .2);
  border-radius: 8px;
  padding: 6px 12px;
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  font-weight: 700;
}

/* ======= CTA 区块 ======= */
.cta-panel {
  position: relative;
  background: #0a0f0c;
  color: #fff;
  overflow: hidden;
  border-radius: 30px;
  margin: 72px auto 0;
  max-width: 1200px;
  padding: 56px 54px;
}

.cta-panel::before {
  content: "";
  position: absolute;
  right: -5%;
  top: -60%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(200, 248, 67, .2), transparent 70%);
}

.cta-panel::after {
  content: "";
  position: absolute;
  left: 30%;
  bottom: -160px;
  width: 330px;
  height: 330px;
  background: radial-gradient(circle, rgba(46, 230, 210, .18), transparent 70%);
}

.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.cta-inner h2 {
  font-size: clamp(27px, 3vw, 38px);
  line-height: 1.35;
  color: #fff;
  font-weight: 900;
}

.cta-inner p {
  margin-top: 14px;
  color: #aabaa7;
  font-size: 16px;
}

.cta-btns {
  display: flex;
  gap: 12px;
  margin-top: 30px;
  flex-wrap: wrap;
}

/* ======= 页脚 ======= */
.site-footer {
  background: #0b0f0c;
  color: #a5b2a2;
  padding: 60px 0 0;
  margin-top: 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr .8fr 1fr 1.2fr;
  gap: 38px;
  padding-bottom: 42px;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.footer-brand .brand .brand-name {
  font-size: 20px;
}

.footer-brand p {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: #9aa79a;
}

.footer-title {
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 18px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: #a4b1a2;
  font-size: 14px;
  line-height: 1.6;
}

.footer-links a:hover {
  color: var(--acid);
}

.footer-note p {
  font-size: 13px;
  color: #7f8c7d;
  line-height: 1.8;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding: 20px 0 26px;
  color: #677164;
  font-size: 13px;
}

.footer-bottom a {
  color: #a5b2a5;
}

.footer-bottom a:hover {
  color: var(--acid);
}

/* ======= 响应式 ======= */
@media (max-width: 1160px) {
  .main-nav a {
    padding: 8px 10px;
    font-size: 14px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 1023px) {
  .nav-toggle {
    display: inline-flex;
  }
  .main-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    margin: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(8, 13, 10, .99);
    border-top: 1px solid rgba(200, 248, 67, .1);
    padding: 14px 18px 20px;
    gap: 2px;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: all .22s ease-out;
    box-shadow: 0 30px 54px rgba(0, 0, 0, .35);
  }
  .site-header.nav-open .main-nav {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }
  .main-nav a {
    padding: 14px 16px;
    font-size: 16px;
    border-radius: 12px;
    border: 1px solid transparent;
  }
  .main-nav a.active {
    background: rgba(200, 248, 67, .1);
    border-color: rgba(200, 248, 67, .2);
  }
  .main-nav a::after {
    display: none;
  }
  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }
  .feature-card:last-child {
    grid-column: span 2;
  }
  .coverage-wrap {
    grid-template-columns: 1fr;
  }
  .coverage-media {
    min-height: 300px;
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-title {
    max-width: none;
  }
  .faq-layout {
    grid-template-columns: 1fr;
  }
  .faq-side {
    position: relative;
    top: auto;
  }
  .cta-panel {
    padding: 40px 28px;
    margin: 50px auto 0;
  }
  .header-tools .search-box {
    display: none;
  }
}

@media (max-width: 767px) {
  .grid-container {
    padding-left: 18px;
    padding-right: 18px;
  }
  .category-hero {
    padding-top: 94px;
    padding-bottom: 54px;
  }
  .category-hero h1 {
    font-size: 31px;
  }
  .hero-cta .btn {
    flex: 1 1 auto;
  }
  .metric-card {
    min-width: 42%;
  }
  .section-block {
    padding: 60px 0;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .feature-card:last-child {
    grid-column: span 1;
  }
  .feature-card {
    padding: 22px 18px;
  }
  .coverage-media {
    min-height: 210px;
  }
  .coverage-media-caption {
    left: 18px;
    right: 18px;
    bottom: 16px;
  }
  .coverage-media-caption strong {
    font-size: 18px;
  }
  .steps-grid {
    grid-template-columns: 1fr;
    margin-top: 30px;
  }
  .step-item {
    padding: 18px;
  }
  .faq-section {
    padding: 64px 0;
  }
  .qa-accordion .accordion-title {
    font-size: 15px;
    padding: 18px 48px 18px 54px;
  }
  .qa-accordion .qa-accordion .accordion-item .accordion-title {
    padding-left: 54px;
  }
  .qa-accordion .accordion-content {
    padding: 0 17px 20px 17px;
  }
  .qa-accordion .accordion-content .qa-more {
    white-space: nowrap;
  }
  .qa-accordion .accordion-item .accordion-title {
    padding-left: 54px;
  }
  .qa-accordion .accordion-title::before {
    left: 10px;
    width: 31px;
    height: 31px;
    margin-top: -15.5px;
  }
  .cta-panel {
    border-radius: 20px;
    padding: 34px 22px;
  }
  .cta-inner h2 {
    font-size: 25px;
  }
  .header-inner {
    gap: 6px;
  }
  .brand-mark {
    width: 34px;
    height: 34px;
    font-size: 14px;
    border-radius: 9px;
  }
  .brand-name {
    font-size: 17px;
  }
  .brand-suffix {
    font-size: 9px;
    letter-spacing: 1px;
  }
  .header-tools .btn-cta {
    height: 38px;
    padding: 0 12px;
    font-size: 13px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
  .hero-inner .crumb span,
  .hero-inner .crumb i {
    font-size: 13px;
  }
}

@media (max-width: 520px) {
  .search-box {
    display: none;
  }
  .header-tools .btn-cta {
    max-width: 104px;
    padding: 0 10px;
    font-size: 13px;
  }
  .metric-card strong {
    font-size: 25px;
  }
  .metric-card {
    padding: 12px;
  }
  .crumb {
    font-size: 13px;
    flex-wrap: wrap;
  }
  .coverage-media-caption p {
    font-size: 13px;
  }
  .qa-accordion .accordion-title {
    padding-left: 47px;
    padding-right: 40px;
  }
  .qa-accordion .accordion-title::before {
    left: 8px;
    width: 27px;
    height: 27px;
    margin-top: -13.5px;
    font-size: 12px;
  }
  .coverage-list {
    gap: 10px;
  }
  .cov-item {
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}