/* roulang page: index */
:root{
  --ink-900:#14121A;
  --ink-700:#1E1B26;
  --ink-800:#1A1722;
  --paper:#FBFAF7;
  --paper-2:#F1EFE9;
  --brand:#12C2A0;
  --brand-bright:#35E0C8;
  --accent:#FFB020;
  --violet:#7C5CFF;
  --ink-text:#F2F0EC;
  --ink-dim:#A9A5B4;
  --txt:#1A1A1F;
  --txt-dim:#5C5A66;
  --line:#E4E1D8;
  --line-dark:rgba(255,255,255,.08);
  --r-panel:24px;
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(20,18,26,.06);
  --sh-2:0 14px 32px -14px rgba(20,18,26,.22);
  --container:1200px;
  --num-font:"DM Sans","Barlow","HarmonyOS Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--txt);
  background:var(--paper);
  font-weight:400;
}
img{max-width:100%;display:block;border-radius:14px}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-bright);outline-offset:2px;border-radius:4px}
::selection{background:var(--brand-bright);color:#0D1A17}

.container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%}
.num{font-family:var(--num-font);letter-spacing:-.02em;font-weight:700}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-weight:600;font-size:16px;line-height:1;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--brand);color:#0B1F1A}
.btn--primary:hover{background:#17d3ae;transform:translateY(-2px);box-shadow:0 3px 0 rgba(11,31,26,.35),var(--sh-2)}
.btn--primary:active{transform:translateY(1px);box-shadow:0 1px 0 rgba(11,31,26,.35)}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.28);color:var(--ink-text)}
.btn--ghost:hover{background:rgba(53,224,200,.1);border-color:rgba(53,224,200,.6);transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(1px)}
.btn--light{background:transparent;border-color:var(--line);color:var(--txt)}
.btn--light:hover{background:rgba(18,194,160,.08);border-color:var(--brand);color:#0B6E5D}
.btn--sm{padding:10px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:gap .18s ease}
.link-arrow::after{content:"→";transition:transform .18s ease}
.link-arrow:hover{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.link-arrow:hover::after{transform:translateX(3px)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.6}
.badge--brand{background:rgba(18,194,160,.14);color:#0B7A66}
.badge--amber{background:rgba(255,176,32,.18);color:#8A5B00}
.badge--violet{background:rgba(124,92,255,.14);color:#4B33B8}
.badge--dark{background:rgba(255,255,255,.1);color:var(--brand-bright)}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brand);margin-bottom:14px;
}
.eyebrow--dark{color:var(--brand-bright)}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--ink-900);border-bottom:1px solid var(--line-dark);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 12px 30px -18px rgba(0,0,0,.9);border-bottom-color:rgba(53,224,200,.22)}
.nav-bar__inner{
  max-width:var(--container);margin:0 auto;padding:0 32px;height:64px;
  display:flex;align-items:center;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo__mark{display:grid;grid-template-columns:repeat(3,5px);grid-auto-rows:5px;gap:2px}
.logo__mark i{display:block;background:var(--brand-bright);border-radius:1px;opacity:.35;transition:opacity .2s ease}
.logo__mark i:nth-child(1),.logo__mark i:nth-child(5),.logo__mark i:nth-child(9){opacity:1}
.logo:hover .logo__mark i{opacity:1}
.logo__text{font-size:19px;font-weight:700;color:var(--ink-text);letter-spacing:.01em;white-space:nowrap}
.logo__text em{font-style:normal;color:var(--brand-bright)}
.search{position:relative;flex:1;max-width:320px;min-width:0}
.search input{
  width:100%;height:40px;border-radius:var(--r-sm);border:1px solid var(--line-dark);
  background:rgba(255,255,255,.06);color:var(--ink-text);padding:0 16px;font-size:14px;
  transition:border-color .2s ease,background-color .2s ease;
}
.search input::placeholder{color:#7F7B8C}
.search input:focus{outline:none;border-color:var(--brand-bright);background:rgba(255,255,255,.1)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--line-dark);
  background:rgba(255,255,255,.05);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background-color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:rgba(53,224,200,.12);border-color:rgba(53,224,200,.5)}
.icon-btn svg{width:18px;height:18px;stroke:var(--ink-dim);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.icon-btn:hover svg{stroke:var(--brand-bright)}
.channel-bar{background:var(--ink-800);border-bottom:1px solid var(--line-dark)}
.channel-bar__inner{
  max-width:var(--container);margin:0 auto;padding:6px 32px;
  display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;
}
.channel-bar__inner::-webkit-scrollbar{display:none}
.channel{
  padding:7px 16px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-dim);
  white-space:nowrap;transition:background-color .2s ease,color .2s ease;
}
.channel:hover{background:rgba(255,255,255,.07);color:var(--ink-text)}
.channel.is-active{background:var(--brand-bright);color:#0D1A17}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:var(--ink-text);
  background:var(--ink-900) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 34px),0 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(20,18,26,.96) 0%,rgba(20,18,26,.85) 44%,rgba(20,18,26,.58) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(53,224,200,.22) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-mask-image:linear-gradient(115deg,transparent 38%,#000 100%);
  mask-image:linear-gradient(115deg,transparent 38%,#000 100%);
  opacity:.6;
}
.hero__inner{
  position:relative;z-index:2;max-width:var(--container);margin:0 auto;padding:76px 32px 118px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.hero__tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(53,224,200,.12);border:1px solid rgba(53,224,200,.32);color:var(--brand-bright);
  font-size:13px;font-weight:600;
}
.hero h1{font-size:44px;margin:20px 0 18px;color:#fff}
.hero h1 span{color:var(--brand-bright)}
.hero__sub{font-size:18px;line-height:1.8;color:#CFCBD8;max-width:560px}
.hero__btns{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 38px}
.hero__stats{display:flex;gap:44px;flex-wrap:wrap;padding-top:28px;border-top:1px solid var(--line-dark)}
.hero__stat strong{display:block;font-family:var(--num-font);font-size:30px;color:var(--brand-bright);letter-spacing:-.02em}
.hero__stat span{font-size:13px;color:var(--ink-dim)}
.hero__panel{position:relative}
.hero__panel img{transform:rotate(2.4deg);border-radius:var(--r-panel);box-shadow:0 30px 60px -30px rgba(0,0,0,.9);border:1px solid rgba(255,255,255,.1)}
.hero__panel-tag{
  position:absolute;top:-14px;right:-6px;background:var(--accent);color:#3A2400;
  font-size:12px;font-weight:700;padding:7px 14px;border-radius:999px;box-shadow:0 10px 24px -12px rgba(0,0,0,.8);
}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section--paper2{background:var(--paper-2)}
.section--dark{background:var(--ink-900);color:var(--ink-text)}
.section__head{max-width:720px;margin-bottom:48px}
.section__head h2{font-size:30px;margin-bottom:14px}
.section--dark .section__head h2{color:#fff}
.section__lead{color:var(--txt-dim);font-size:17px}
.section--dark .section__lead{color:var(--ink-dim)}
.section__head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}

/* ---------- 玩法步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px 26px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:nth-child(even){margin-top:34px}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFE9E1}
.step__num{
  font-family:var(--num-font);font-size:38px;font-weight:700;color:transparent;
  -webkit-text-stroke:1.4px var(--brand);display:block;line-height:1;margin-bottom:16px;
}
.step h3{font-size:20px;margin-bottom:10px}
.step p{color:var(--txt-dim);font-size:16px}
.step__meta{margin-top:16px;display:flex;gap:8px;flex-wrap:wrap}

/* ---------- 奖励卡 ---------- */
.reward-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.reward-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.reward-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.reward-card__media{position:relative;overflow:hidden;aspect-ratio:16/10}
.reward-card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.reward-card:hover .reward-card__media img{transform:scale(1.03)}
.reward-card__media .badge{position:absolute;top:12px;left:12px;background:rgba(20,18,26,.78);color:var(--brand-bright);backdrop-filter:blur(4px)}
.reward-card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.reward-card h3{font-size:19px}
.reward-card p{color:var(--txt-dim);font-size:15.5px}
.reward-card__foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:14px;color:var(--txt-dim);display:flex;justify-content:space-between;gap:12px}

/* ---------- 任务清单 ---------- */
.task-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.task{display:grid;grid-template-columns:44px 1.4fr 1.2fr auto;gap:20px;align-items:center;padding:20px 26px;border-bottom:1px solid var(--line);transition:background-color .2s ease}
.task:last-child{border-bottom:none}
.task:hover{background:rgba(18,194,160,.05)}
.task__dot{
  width:34px;height:34px;border-radius:50%;border:1.5px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--num-font);font-size:14px;color:var(--txt-dim);font-weight:700;
}
.task--done .task__dot{background:var(--brand);border-color:var(--brand);color:#0B1F1A}
.task__name{font-weight:600;font-size:17px}
.task__name small{display:block;font-weight:400;font-size:14px;color:var(--txt-dim);margin-top:2px}
.task__bar{height:6px;border-radius:999px;background:var(--paper-2);overflow:hidden}
.task__bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.task--done{opacity:.72}
.task--done .task__bar i{background:linear-gradient(90deg,#8FBFB2,#B9D8CF)}
.task__state{display:flex;align-items:center;gap:12px}

/* ---------- 分类入口 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.cat-card{
  position:relative;display:grid;grid-template-columns:150px 1fr;gap:22px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFE9E1}
.cat-card img{width:150px;height:118px;object-fit:cover;border-radius:var(--r-sm)}
.cat-card h3{font-size:20px;margin:8px 0 8px}
.cat-card p{color:var(--txt-dim);font-size:15.5px;margin-bottom:12px}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.news-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
  transform:scaleY(0);transform-origin:top;transition:transform .25s ease;
}
.news-card:hover::before{transform:scaleY(1)}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.news-card__media{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--paper-2)}
.news-card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.news-card:hover .news-card__media img{transform:scale(1.03)}
.news-card__media .badge{position:absolute;top:12px;left:12px;background:rgba(20,18,26,.78);color:var(--brand-bright);backdrop-filter:blur(4px)}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card__title{font-size:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.news-card:hover .news-card__title{color:var(--brand)}
.news-card__desc{color:var(--txt-dim);font-size:15px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-card__foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--txt-dim)}
.news-card__link{position:absolute;inset:0;z-index:3}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;background:#fff;border:1px dashed var(--line);
  border-radius:var(--r-card);color:var(--txt-dim);
}
.empty-state strong{display:block;font-size:18px;color:var(--txt);margin-bottom:8px}
.skeleton-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:26px}
.skeleton{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:18px}
.skeleton i{display:block;background:linear-gradient(90deg,#EFEDE6 25%,#E3E0D8 37%,#EFEDE6 63%);background-size:400% 100%;animation:pulse 1.4s ease infinite;border-radius:8px}
.skeleton i:nth-child(1){height:150px;margin-bottom:16px}
.skeleton i:nth-child(2){height:16px;width:82%;margin-bottom:10px}
.skeleton i:nth-child(3){height:16px;width:60%}
@keyframes pulse{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq__item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq__item.is-open{border-color:#BFE5DA;box-shadow:var(--sh-1)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:18px;font-weight:600;color:var(--txt);
}
.faq__q:hover{color:var(--brand)}
.faq__sign{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--paper-2);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;font-weight:600;
  color:var(--brand);transition:transform .2s ease,background-color .2s ease;
}
.faq__item.is-open .faq__sign{transform:rotate(45deg);background:rgba(18,194,160,.16)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq__a p{padding:0 24px 22px;color:var(--txt-dim);font-size:16px}

/* ---------- CTA ---------- */
.cta{
  position:relative;background:var(--ink-900);color:var(--ink-text);overflow:hidden;
  clip-path:polygon(0 34px,100% 0,100% 100%,0 100%);
}
.cta::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(53,224,200,.2) 1px,transparent 1px);
  background-size:24px 24px;opacity:.45;
  -webkit-mask-image:linear-gradient(90deg,#000,transparent 70%);
  mask-image:linear-gradient(90deg,#000,transparent 70%);
}
.cta__inner{
  position:relative;z-index:2;max-width:var(--container);margin:0 auto;padding:86px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta h2{font-size:30px;color:#fff;margin-bottom:12px}
.cta p{color:var(--ink-dim);max-width:620px}
.cta__btns{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:var(--ink-dim);padding:72px 0 0;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px}
.footer-brand p{font-size:15px;margin:16px 0 18px;max-width:340px;line-height:1.8}
.footer-col h4{font-size:15px;color:var(--ink-text);margin-bottom:16px;font-weight:600;letter-spacing:.02em}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:15px;transition:color .2s ease}
.footer-col a:hover{color:var(--brand-bright)}
.footer-contact li{font-size:15px}
.footer-contact span{color:var(--ink-text);font-weight:600;margin-left:6px}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;
  justify-content:space-between;font-size:13.5px;
}
.footer-bottom a:hover{color:var(--brand-bright)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero__inner{gap:40px}
}
@media (max-width:1023px){
  .container,.nav-bar__inner,.channel-bar__inner,.hero__inner,.cta__inner{padding-left:24px;padding-right:24px}
  .hero__inner{grid-template-columns:1fr;padding-top:56px;padding-bottom:96px}
  .hero__panel{max-width:560px}
  .hero h1{font-size:36px}
  .steps{grid-template-columns:1fr}
  .step:nth-child(even){margin-top:0}
  .reward-grid,.news-grid,.skeleton-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .search{max-width:none}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:56px 0}
  .container,.nav-bar__inner,.channel-bar__inner,.hero__inner,.cta__inner{padding-left:20px;padding-right:20px}
  .nav-bar__inner{height:auto;padding-top:12px;padding-bottom:12px;flex-wrap:wrap;gap:12px}
  .logo__text{font-size:17px}
  .search{order:3;width:100%;max-width:none}
  .nav-actions{margin-left:auto}
  .hero h1{font-size:30px}
  .hero__sub{font-size:16px}
  .hero__stats{gap:28px}
  .hero__stat strong{font-size:24px}
  .section__head h2,.cta h2{font-size:24px}
  .section__head--split{flex-direction:column;align-items:flex-start}
  .reward-grid,.news-grid,.skeleton-grid{grid-template-columns:1fr}
  .task{grid-template-columns:34px 1fr;gap:14px;padding:18px}
  .task__bar{grid-column:2}
  .task__state{grid-column:2}
  .cat-card{grid-template-columns:1fr}
  .cat-card img{width:100%;height:170px}
  .footer-grid{grid-template-columns:1fr}
  .cta__inner{padding-top:72px;padding-bottom:64px}
  .btn{padding:13px 22px;font-size:15px}
}
@media (max-width:520px){
  .hero__btns .btn{flex:1 1 100%}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category1 */
:root{
  --ink-900:#14121A;
  --ink-700:#1E1B26;
  --paper:#FBFAF7;
  --paper-2:#F1EFE9;
  --brand:#12C2A0;
  --brand-bright:#35E0C8;
  --accent:#FFB020;
  --violet:#7C5CFF;
  --on-dark:#F2F0EC;
  --on-dark-sub:#A9A5B4;
  --text:#1A1A1F;
  --text-sub:#5C5A66;
  --line:#E4E1D8;
  --line-dark:rgba(255,255,255,.08);
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --r-kv:24px;
  --shadow-1:0 1px 2px rgba(20,18,26,.06);
  --shadow-2:0 14px 32px -14px rgba(20,18,26,.22);
  --container:1200px;
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"DM Sans","Barlow","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--brand-bright);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;scroll-margin-top:130px;}
.section--alt{background:var(--paper-2);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head .eyebrow{margin-bottom:14px;}
.section-head h2{font-size:30px;margin-bottom:14px;}
.section-head p{color:var(--text-sub);font-size:17px;}

/* ---------- 通用组件 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 13px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:rgba(18,194,160,.12);
  color:#0B7F69;
  border:1px solid rgba(18,194,160,.28);
}
.eyebrow--dark{
  background:rgba(53,224,200,.14);
  color:var(--brand-bright);
  border-color:rgba(53,224,200,.32);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:16px;line-height:1;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  padding:14px 28px;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
}
.btn--primary{background:var(--brand);color:#062A24;box-shadow:0 1px 2px rgba(20,18,26,.06);}
.btn--primary:hover{transform:translateY(-2px);filter:brightness(1.07);box-shadow:0 4px 0 -1px rgba(18,194,160,.42),var(--shadow-2);}
.btn--primary:active{transform:translateY(1px);box-shadow:none;}
.btn--ghost{border-color:rgba(255,255,255,.28);color:var(--on-dark);background:transparent;}
.btn--ghost:hover{background:rgba(255,255,255,.08);transform:translateY(-2px);}
.btn--ghost:active{transform:translateY(1px);}
.btn--outline{border-color:#D6D2C6;color:var(--text);background:transparent;}
.btn--outline:hover{border-color:var(--brand);color:#0B7F69;background:rgba(18,194,160,.07);transform:translateY(-2px);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:600;font-size:15px;color:var(--brand);
}
.link-arrow::after{content:"→";transition:transform .18s ease;}
.link-arrow:hover{text-decoration:underline;text-underline-offset:3px;}
.link-arrow:hover::after{transform:translateX(3px);}
.badge{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.03em;
}
.badge--amber{background:var(--accent);color:#3A2600;}
.badge--violet{background:rgba(124,92,255,.14);color:#5238C4;border:1px solid rgba(124,92,255,.32);}
.badge--brand{background:rgba(18,194,160,.14);color:#0B7F69;border:1px solid rgba(18,194,160,.3);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--ink-900);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line-dark);
  box-shadow:0 14px 30px -22px rgba(0,0,0,.9);
}
.nav-bar__inner{
  width:100%;max-width:var(--container);margin:0 auto;
  padding:0 32px;height:64px;
  display:flex;align-items:center;gap:22px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo__mark{
  display:grid;
  grid-template-columns:repeat(3,5px);
  grid-template-rows:repeat(3,5px);
  gap:2px;
}
.logo__mark i{display:block;border-radius:1.5px;background:var(--brand-bright);}
.logo__mark i:nth-child(1),.logo__mark i:nth-child(3),.logo__mark i:nth-child(7),.logo__mark i:nth-child(9){opacity:.45;}
.logo__text{font-size:18px;font-weight:700;color:var(--on-dark);letter-spacing:.01em;}
.logo__text em{font-style:normal;color:var(--brand-bright);padding:0 1px;}
.search{flex:1 1 auto;max-width:320px;margin-left:8px;}
.search input{
  width:100%;height:40px;
  padding:0 14px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.06);
  color:var(--on-dark);
  font-size:14px;
  transition:border-color .18s ease,background-color .18s ease,box-shadow .18s ease;
}
.search input::placeholder{color:var(--on-dark-sub);}
.search input:focus{
  outline:none;
  border-color:var(--brand-bright);
  background:rgba(255,255,255,.1);
  box-shadow:0 0 0 3px rgba(53,224,200,.16);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-sm);
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.16);
  background:transparent;color:var(--on-dark);cursor:pointer;
  transition:background-color .18s ease,border-color .18s ease,transform .18s ease;
}
.icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.icon-btn:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3);transform:translateY(-1px);}
.icon-btn:active{transform:translateY(1px);}
.channel-bar{background:rgba(255,255,255,.035);border-top:1px solid var(--line-dark);position:relative;}
.channel-bar__inner{
  width:100%;max-width:var(--container);margin:0 auto;
  padding:0 32px;height:48px;
  display:flex;align-items:center;gap:10px;
  overflow-x:auto;scrollbar-width:none;
  -ms-overflow-style:none;
}
.channel-bar__inner::-webkit-scrollbar{display:none;}
.channel{
  flex:0 0 auto;
  padding:7px 16px;border-radius:999px;
  font-size:14px;font-weight:600;
  color:var(--on-dark-sub);
  transition:background-color .18s ease,color .18s ease;
}
.channel:hover{background:rgba(255,255,255,.09);color:var(--on-dark);}
.channel.is-active{background:var(--brand-bright);color:#052A23;}
.channel.is-active:hover{background:var(--brand-bright);color:#052A23;}

/* ---------- 分类首屏 ---------- */
.cat-hero{
  position:relative;
  background:var(--ink-900);
  color:var(--on-dark);
  overflow:hidden;
}
.cat-hero__bg{
  position:absolute;inset:0;
  background-image:
    radial-gradient(rgba(53,224,200,.16) 1px,transparent 1px),
    linear-gradient(104deg,rgba(20,18,26,.96) 0%,rgba(20,18,26,.78) 58%,rgba(20,18,26,.62) 100%),
    url(/assets/images/backpic/back-3.webp);
  background-size:22px 22px,auto,cover;
  background-position:0 0,0 0,center;
}
.cat-hero__inner{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1fr) 380px;
  gap:56px;
  align-items:center;
  padding-top:56px;
  padding-bottom:56px;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--on-dark-sub);
  margin-bottom:18px;
}
.breadcrumb a{transition:color .18s ease;}
.breadcrumb a:hover{color:var(--brand-bright);}
.breadcrumb span{opacity:.5;}
.breadcrumb em{font-style:normal;color:var(--on-dark);font-weight:600;}
.cat-hero h1{font-size:40px;margin:14px 0 18px;letter-spacing:-.02em;}
.cat-hero__lead{color:var(--on-dark-sub);font-size:16px;line-height:1.85;max-width:620px;}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cat-hero__media{position:relative;}
.cat-hero__media img{
  width:100%;height:230px;object-fit:cover;
  border-radius:var(--r-kv);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 28px 50px -26px rgba(0,0,0,.85);
  transform:rotate(1.6deg);
}
.cat-hero__media .badge{
  position:absolute;top:-12px;right:-10px;
  box-shadow:0 10px 20px -12px rgba(0,0,0,.7);
}

/* ---------- 图文交错 ---------- */
.split{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.split + .split{margin-top:80px;}
.split__media{position:relative;}
.split__media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-card);
  box-shadow:var(--shadow-2);
}
.split--reverse .split__media{order:2;}
.split--reverse .split__text{order:1;}
.split__text h2{font-size:30px;margin-bottom:16px;}
.split__text p{color:var(--text-sub);}
.split__list{display:grid;gap:12px;margin-top:22px;}
.split__list li{
  position:relative;
  padding-left:22px;
  font-size:16px;
  color:var(--text-sub);
}
.split__list li::before{
  content:"";
  position:absolute;left:0;top:.72em;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--brand);
}
.split__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}

/* ---------- 编号要点 ---------- */
.prep-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.prep-item{
  display:flex;gap:18px;
  padding:26px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.prep-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D5F2EA;}
.prep-item__num{
  font-family:var(--font-num);
  font-size:30px;font-weight:700;line-height:1;
  color:var(--brand);
  letter-spacing:-.02em;
  min-width:44px;
}
.prep-item__num.is-end{color:var(--accent);}
.prep-item h3{font-size:18px;margin-bottom:8px;}
.prep-item p{font-size:15px;color:var(--text-sub);margin:0;line-height:1.8;}

/* ---------- 对比表 ---------- */
.table-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.table-scroll{overflow-x:auto;}
table{width:100%;min-width:660px;border-collapse:collapse;}
thead th{
  background:var(--ink-900);
  color:var(--on-dark);
  font-size:14px;font-weight:600;
  text-align:left;
  padding:15px 20px;
  white-space:nowrap;
}
tbody td{
  padding:15px 20px;
  font-size:15px;
  color:var(--text-sub);
  border-top:1px solid var(--line);
}
tbody tr:nth-child(even){background:var(--paper-2);}
tbody td:first-child{color:var(--text);font-weight:600;}
.table-note{
  font-size:14px;color:var(--text-sub);
  margin-top:16px;
}

/* ---------- 相关分类 ---------- */
.chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;font-weight:600;
  transition:transform .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.chip:hover{transform:translateY(-2px);border-color:var(--brand);color:#0B7F69;box-shadow:var(--shadow-1);}
.chip--violet:hover{border-color:var(--violet);color:#5238C4;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  background:var(--ink-900);
  color:var(--on-dark);
  padding:80px 0;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 28px),calc(100% - 28px) 100%,0 100%);
}
.cta-band__inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:40px;
  align-items:center;
}
.cta-band h2{font-size:30px;margin-bottom:14px;}
.cta-band p{color:var(--on-dark-sub);max-width:640px;margin:0;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);
  color:var(--on-dark);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid var(--line-dark);
}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{
  color:var(--on-dark-sub);
  font-size:15px;
  line-height:1.85;
  max-width:360px;
  margin-bottom:16px;
}
.footer-brand .link-arrow{color:var(--brand-bright);}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  margin-bottom:18px;
  color:var(--on-dark);
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{
  font-size:15px;
  color:var(--on-dark-sub);
  transition:color .18s ease,padding-left .18s ease;
}
.footer-col a:hover{color:var(--brand-bright);padding-left:3px;}
.footer-contact li{
  display:flex;justify-content:space-between;gap:14px;
  font-size:14px;color:var(--on-dark-sub);
}
.footer-contact li span{color:var(--on-dark);font-weight:600;}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;
  padding:24px 0 30px;
  font-size:13px;
  color:var(--on-dark-sub);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container,.nav-bar__inner,.channel-bar__inner{padding-left:32px;padding-right:32px;}
}
@media (max-width:1023px){
  .container,.nav-bar__inner,.channel-bar__inner{padding-left:24px;padding-right:24px;}
  .section{padding:64px 0;}
  .cat-hero__inner{grid-template-columns:1fr;gap:36px;padding-top:44px;padding-bottom:48px;}
  .cat-hero__media img{height:200px;transform:none;}
  .cat-hero h1{font-size:34px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split--reverse .split__media{order:0;}
  .split--reverse .split__text{order:0;}
  .split + .split{margin-top:56px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band__inner{grid-template-columns:1fr;gap:26px;}
  .cta-band{padding:60px 0;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container,.nav-bar__inner,.channel-bar__inner{padding-left:20px;padding-right:20px;}
  .section{padding:52px 0;}
  .nav-bar__inner{height:58px;gap:14px;}
  .search{display:none;}
  .channel-bar__inner{height:46px;}
  .cat-hero h1{font-size:30px;}
  .cat-hero__lead{font-size:15px;}
  .section-head h2,.split__text h2,.cta-band h2{font-size:24px;}
  .prep-grid{grid-template-columns:1fr;}
  .prep-item{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;}
  .cta-band{padding:52px 0;}
  .btn{padding:13px 22px;font-size:15px;}
  .cat-hero__actions .btn,.cta-band__actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: article */
:root{
  --ink-900:#14121A;
  --ink-700:#1E1B26;
  --paper:#FBFAF7;
  --paper-2:#F1EFE9;
  --brand:#12C2A0;
  --brand-bright:#35E0C8;
  --brand-deep:#0E9C81;
  --accent:#FFB020;
  --violet:#7C5CFF;
  --text-1:#1A1A1F;
  --text-2:#5C5A66;
  --text-3:#8A8794;
  --text-dark-1:#F2F0EC;
  --text-dark-2:#A9A5B4;
  --border:#E4E1D8;
  --border-strong:#D6D2C6;
  --border-dark:rgba(255,255,255,.08);
  --radius-kv:24px;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(20,18,26,.06);
  --shadow-2:0 14px 32px -14px rgba(20,18,26,.22);
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"DM Sans","Barlow",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--text-1);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:inherit;}
p{margin:0 0 1.15em;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-deep);}
img{max-width:100%;height:auto;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
:focus-visible{outline:2px solid var(--brand-bright);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.num{font-family:var(--font-num);letter-spacing:-0.02em;font-variant-numeric:tabular-nums;}

/* ---------- 按钮 / 徽章 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-sm);border:1px solid transparent;
  font-weight:600;font-size:15px;line-height:1;letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--brand);color:#0B2B24;}
.btn--primary:hover{background:#1AD3AF;color:#0B2B24;transform:translateY(-2px);box-shadow:0 3px 0 rgba(18,194,160,.35),0 16px 28px -16px rgba(18,194,160,.75);}
.btn--primary:active{transform:translateY(1px);box-shadow:0 1px 0 rgba(18,194,160,.35);}
.btn--ghost{background:transparent;border-color:var(--border-strong);color:var(--text-1);}
.btn--ghost:hover{background:rgba(18,194,160,.08);border-color:var(--brand);color:var(--brand-deep);}
.btn--ghost-dark{background:transparent;border-color:rgba(255,255,255,.28);color:var(--text-dark-1);}
.btn--ghost-dark:hover{background:rgba(255,255,255,.08);color:#fff;}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--radius-md);
  border:1px solid rgba(255,255,255,.14);background:transparent;color:var(--text-dark-1);
  display:grid;place-items:center;transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.icon-btn:hover{background:rgba(53,224,200,.12);border-color:rgba(53,224,200,.45);color:#fff;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;}
.link-arrow::after{content:"→";transition:transform .18s ease;}
.link-arrow:hover{color:var(--brand-bright);text-decoration:underline;text-underline-offset:3px;}
.link-arrow:hover::after{transform:translateX(3px);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;
}
.badge--brand{background:rgba(18,194,160,.12);color:var(--brand-deep);border-color:rgba(18,194,160,.3);}
.badge--violet{background:rgba(124,92,255,.14);color:#5B3FE0;border-color:rgba(124,92,255,.28);}
.badge--accent{background:rgba(255,176,32,.16);color:#9A6300;border-color:rgba(255,176,32,.35);}
.badge--onDark{background:rgba(53,224,200,.14);color:var(--brand-bright);border-color:rgba(53,224,200,.34);}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block;}

/* ---------- 头部导航（全站统一） ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--ink-900);transition:box-shadow .22s ease,border-color .22s ease;}
.site-header.is-scrolled{box-shadow:0 12px 34px -20px rgba(0,0,0,.95);border-bottom:1px solid rgba(53,224,200,.22);}
.nav-bar__inner{
  max-width:var(--container);margin:0 auto;padding:0 32px;height:64px;
  display:flex;align-items:center;gap:22px;
}
.logo{display:flex;align-items:center;gap:10px;color:var(--text-dark-1);font-weight:700;font-size:18px;flex:0 0 auto;}
.logo:hover{color:#fff;}
.logo__mark{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:2px;width:22px;height:22px;}
.logo__mark i{display:block;background:var(--brand-bright);border-radius:1.5px;opacity:.9;}
.logo__mark i:nth-child(1),.logo__mark i:nth-child(5),.logo__mark i:nth-child(9){background:var(--accent);}
.logo__text em{font-style:normal;color:var(--brand-bright);font-family:var(--font-num);padding:0 1px;}
.search{flex:1 1 auto;max-width:320px;position:relative;}
.search input{
  width:100%;height:40px;border-radius:var(--radius-md);padding:0 14px 0 38px;font-size:14px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:var(--text-dark-1);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.search input::placeholder{color:#7E7A8C;}
.search input:focus{outline:none;background:rgba(255,255,255,.09);border-color:var(--brand-bright);box-shadow:0 0 0 3px rgba(53,224,200,.16);}
.search::before{
  content:"";position:absolute;left:14px;top:50%;width:14px;height:14px;margin-top:-8px;
  border:1.8px solid #7E7A8C;border-radius:50%;
}
.search::after{
  content:"";position:absolute;left:25px;top:50%;width:7px;height:1.8px;margin-top:4px;
  background:#7E7A8C;transform:rotate(45deg);transform-origin:left center;
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.site-header .btn--primary{background:var(--brand-bright);color:#10211D;}
.site-header .btn--primary:hover{background:#5BEBDA;color:#10211D;}
.channel-bar{border-top:1px solid var(--border-dark);background:var(--ink-900);}
.channel-bar__inner{
  max-width:var(--container);margin:0 auto;padding:0 32px;height:48px;
  display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
  mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
}
.channel-bar__inner::-webkit-scrollbar{display:none;}
.channel{
  flex:0 0 auto;padding:7px 16px;border-radius:999px;font-size:14px;font-weight:600;
  color:var(--text-dark-2);white-space:nowrap;transition:background .18s ease,color .18s ease;
}
.channel:hover{background:rgba(255,255,255,.07);color:var(--text-dark-1);}
.channel.is-active{background:var(--brand-bright);color:#14121A;}
.channel.is-active:hover{color:#14121A;}

/* ---------- 文章首屏 ---------- */
.article-hero{
  position:relative;color:var(--text-dark-1);
  background:var(--ink-900) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding:52px 0 76px;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 30px),0 100%);
  overflow:hidden;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,18,26,.97) 0%,rgba(20,18,26,.9) 48%,rgba(20,18,26,.78) 100%);
}
.article-hero::after{
  content:"";position:absolute;right:-60px;top:-40px;width:320px;height:320px;
  background-image:radial-gradient(rgba(53,224,200,.5) 1.6px,transparent 1.6px);
  background-size:22px 22px;opacity:.28;pointer-events:none;
}
.article-hero__inner{position:relative;z-index:2;max-width:900px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-dark-2);}
.breadcrumb a{color:var(--text-dark-2);}
.breadcrumb a:hover{color:var(--brand-bright);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb__sep{color:#5C5A66;}
.breadcrumb__current{
  color:#8E8A99;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-hero h1{
  font-size:44px;line-height:1.28;color:#fff;margin:20px 0 22px;letter-spacing:-.01em;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;font-size:14px;color:var(--text-dark-2);}
.article-meta__item{display:inline-flex;align-items:center;gap:7px;}
.article-meta__item strong{color:var(--text-dark-1);font-weight:600;}

/* ---------- 正文布局 ---------- */
.article-main{background:var(--paper);padding:56px 0 88px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;}
.article-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:44px 48px;box-shadow:var(--shadow-1);max-width:820px;
}
.cms-article-body{font-size:17px;line-height:1.9;color:var(--text-1);}
.cms-article-body>:first-child{margin-top:0;}
.cms-article-body p{margin:0 0 1.15em;color:var(--text-1);}
.cms-article-body h2{
  position:relative;font-size:24px;line-height:1.4;margin:42px 0 16px;padding-left:16px;color:var(--text-1);
}
.cms-article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand) 0%,var(--accent) 100%);
}
.cms-article-body h3{font-size:20px;margin:30px 0 12px;color:var(--text-1);}
.cms-article-body h4{font-size:18px;margin:24px 0 10px;color:var(--text-2);}
.cms-article-body ul,.cms-article-body ol{margin:0 0 1.15em;padding-left:0;}
.cms-article-body li{position:relative;padding-left:24px;margin:9px 0;line-height:1.85;font-size:17px;}
.cms-article-body ul>li::before{
  content:"";position:absolute;left:5px;top:.66em;width:8px;height:8px;border-radius:2px;background:var(--brand);
}
.cms-article-body ol{counter-reset:cmsli;}
.cms-article-body ol>li::before{
  counter-increment:cmsli;content:counter(cmsli);position:absolute;left:0;top:.35em;
  width:20px;height:20px;border-radius:6px;background:rgba(18,194,160,.14);color:var(--brand-deep);
  font-family:var(--font-num);font-size:12px;font-weight:700;display:grid;place-items:center;
}
.cms-article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--paper-2);
  border-left:3px solid var(--brand);border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:var(--text-2);font-size:16.5px;
}
.cms-article-body blockquote p:last-child{margin-bottom:0;}
.cms-article-body img{border-radius:var(--radius-img);margin:24px auto;box-shadow:var(--shadow-1);}
.cms-article-body figure{margin:24px 0;}
.cms-article-body figcaption{text-align:center;font-size:14px;color:var(--text-3);margin-top:10px;}
.cms-article-body a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;font-weight:500;}
.cms-article-body a:hover{color:#0B7A65;}
.cms-article-body strong{color:ver(--text-1);color:var(--text-1);font-weight:700;}
.cms-article-body hr{border:none;border-top:1px solid var(--border);margin:34px 0;}
.cms-article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.cms-article-body th{
  background:var(--ink-900);color:var(--text-dark-1);text-align:left;
  padding:12px 16px;font-weight:600;font-size:14px;
}
.cms-article-body td{padding:12px 16px;border-bottom:1px solid var(--border);color:var(--text-2);}
.cms-article-body tbody tr:nth-child(even){background:var(--paper-2);}
.cms-article-body code{
  background:var(--paper-2);border:1px solid var(--border);border-radius:6px;
  padding:2px 6px;font-size:14px;color:var(--brand-deep);font-family:var(--font-num);
}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 28px;border:1px dashed var(--border-strong);
  border-radius:var(--radius-lg);background:#fff;max-width:820px;
}
.empty-state__icon{
  width:52px;height:52px;margin:0 auto 18px;border-radius:50%;
  display:grid;place-items:center;background:rgba(18,194,160,.12);color:var(--brand-deep);
  font-family:var(--font-num);font-size:22px;font-weight:700;
}
.empty-state__title{font-size:22px;font-weight:700;color:var(--text-1);margin:0 0 10px;}
.empty-state p{color:var(--text-2);max-width:420px;margin:0 auto 22px;}

/* 正文尾 */
.article-foot{max-width:820px;margin-top:28px;}
.tag-list{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tag-list__label{font-size:14px;color:var(--text-3);font-weight:600;}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;
  background:var(--paper-2);border:1px solid var(--border);color:var(--text-2);
  font-size:14px;font-weight:500;transition:.18s ease;
}
.tag:hover{background:#fff;border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px);}
.foot-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}

/* 侧栏 */
.article-side{display:grid;gap:20px;position:sticky;top:96px;}
.side-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-1);}
.side-card__title{font-size:16px;font-weight:700;color:var(--text-1);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card__title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand);}
.toc-toggle{
  display:none;width:100%;align-items:center;justify-content:space-between;
  background:var(--paper-2);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:12px 14px;font-size:15px;font-weight:600;color:var(--text-1);margin-bottom:12px;
}
.toc-toggle span:last-child{color:var(--brand-deep);font-size:18px;line-height:1;}
.toc-list{display:grid;gap:2px;max-height:420px;overflow-y:auto;}
.toc-list__item{
  display:block;padding:8px 12px;border-radius:var(--radius-sm);font-size:14px;color:var(--text-2);
  border-left:2px solid transparent;line-height:1.6;transition:.18s ease;
}
.toc-list__item:hover{background:var(--paper-2);color:var(--brand-deep);}
.toc-list__item.is-sub{padding-left:24px;font-size:13.5px;color:var(--text-3);}
.toc-list__item.is-current{background:rgba(18,194,160,.1);color:var(--brand-deep);font-weight:600;border-left-color:var(--brand);}
.side-list{display:grid;gap:12px;}
.side-list__item{display:flex;gap:12px;align-items:flex-start;padding:12px;border-radius:var(--radius-md);transition:.18s ease;}
.side-list__item:hover{background:var(--paper-2);}
.side-list__idx{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;background:var(--paper-2);
  color:var(--brand-deep);font-family:var(--font-num);font-size:12px;font-weight:700;
  display:grid;place-items:center;margin-top:2px;
}
.side-list__item:hover .side-list__idx{background:var(--brand);color:#0B2B24;}
.side-list__text{font-size:14.5px;font-weight:600;color:var(--text-1);line-height:1.6;}
.side-list__meta{display:block;font-size:13px;color:var(--text-3);font-weight:400;margin-top:2px;}
.side-cta{
  background:var(--ink-700);color:var(--text-dark-1);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-lg);padding:24px;
}
.side-cta h3{font-size:17px;color:#fff;margin-bottom:8px;}
.side-cta p{font-size:14px;color:var(--text-dark-2);margin-bottom:16px;line-height:1.75;}

/* 相关推荐 */
.related{background:var(--paper-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:72px 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head h2{font-size:30px;color:var(--text-1);}
.section-head p{color:var(--text-2);font-size:15px;margin:8px 0 0;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
  transform:scaleY(0);transform-origin:top;transition:transform .22s ease;z-index:3;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--border-strong);}
.card:hover::before{transform:scaleY(1);}
.card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-700);}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.card:hover .card__media img{transform:scale(1.03);}
.card__badge{position:absolute;left:14px;top:14px;z-index:2;}
.card__body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card__title{font-size:18px;line-height:1.5;color:var(--text-1);font-weight:700;}
.card:hover .card__title{color:var(--brand-deep);}
.card__desc{font-size:15px;line-height:1.8;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__meta{margin-top:auto;display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-3);padding-top:12px;border-top:1px solid var(--border);}
.card__link{position:absolute;inset:0;z-index:4;}

/* 骨架屏 */
.skeleton{background:linear-gradient(90deg,var(--paper-2) 25%,#E7E4DA 37%,var(--paper-2) 63%);background-size:400% 100%;animation:sk 1.4s ease infinite;border-radius:var(--radius-sm);}
@keyframes sk{0%{background-position:100% 50%;}100%{background-position:0 50%;}}

/* ---------- 页脚（全站统一） ---------- */
.site-footer{background:var(--ink-900);color:var(--text-dark-2);padding:64px 0 28px;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{color:var(--text-dark-2);line-height:1.85;font-size:15px;max-width:360px;margin:0 0 14px;}
.site-footer .link-arrow{color:var(--brand-bright);}
.site-footer .link-arrow:hover{color:#fff;}
.footer-col h4{color:var(--text-dark-1);font-size:16px;margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:var(--text-dark-2);font-size:15px;}
.footer-col a:hover{color:var(--brand-bright);text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{display:flex;justify-content:space-between;gap:12px;color:var(--text-dark-2);font-size:14.5px;}
.footer-contact span{color:var(--text-dark-1);font-weight:600;}
.footer-bottom{
  border-top:1px solid var(--border-dark);margin-top:46px;padding-top:22px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13.5px;color:#8E8A99;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container,.nav-bar__inner,.channel-bar__inner{padding:0 32px;}
  .article-layout{gap:32px;grid-template-columns:minmax(0,1fr) 290px;}
  .article-card{padding:38px 34px;}
}
@media (max-width:1023px){
  .article-hero h1{font-size:34px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .article-side{position:static;order:2;}
  .article-card{max-width:none;padding:32px 28px;}
  .article-foot{max-width:none;}
  .toc-toggle{display:flex;}
  .toc-card__body{display:none;}
  .toc-card.is-open .toc-card__body{display:block;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container,.nav-bar__inner,.channel-bar__inner{padding:0 20px;}
  .search{display:none;}
  .article-hero{padding:34px 0 62px;clip-path:none;}
  .article-hero h1{font-size:27px;margin:16px 0 18px;}
  .article-hero::after{opacity:.18;}
  .breadcrumb__current{max-width:170px;}
  .article-main{padding:40px 0 64px;}
  .article-card{padding:26px 20px;border-radius:var(--radius-md);}
  .cms-article-body h2{font-size:21px;margin:32px 0 14px;}
  .cms-article-body h3{font-size:18.5px;}
  .cms-article-body p,.cms-article-body li{font-size:16px;}
  .cms-article-body table{font-size:14px;}
  .section-head h2{font-size:24px;}
  .related{padding:52px 0;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:519px){
  .nav-actions .btn--sm{padding:8px 14px;font-size:13px;}
  .logo{font-size:16px;}
  .logo__mark{width:19px;height:19px;}
  .article-hero h1{font-size:24px;}
  .article-meta{font-size:13px;gap:8px 14px;}
  .btn{padding:12px 22px;font-size:14px;}
  .foot-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category2 */
:root{
  --ink-900:#14121A;
  --ink-700:#1E1B26;
  --paper:#FBFAF7;
  --paper-2:#F1EFE9;
  --brand:#12C2A0;
  --brand-bright:#35E0C8;
  --accent:#FFB020;
  --violet:#7C5CFF;
  --text-dark:#F2F0EC;
  --text-dark-2:#A9A5B4;
  --text:#1A1A1F;
  --text-2:#5C5A66;
  --line:#E4E1D8;
  --line-dark:rgba(255,255,255,.08);
  --radius-card:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --radius-panel:24px;
  --shadow-1:0 1px 2px rgba(20,18,26,.06);
  --shadow-2:0 14px 32px -14px rgba(20,18,26,.22);
  --font:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DM Sans","Barlow","HarmonyOS Sans SC",system-ui,sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:14px;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1.15em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-bright);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.num{font-family:var(--font-num);letter-spacing:-.02em;font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-btn);
  font-weight:600;font-size:16px;line-height:1;
  border:1.5px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--brand);color:var(--ink-900);}
.btn--primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 3px 0 0 rgba(18,194,160,.9),var(--shadow-2);}
.btn--primary:active{transform:translateY(1px);box-shadow:none;}
.btn--ghost{border-color:var(--line);color:var(--text);background:transparent;}
.btn--ghost:hover{background:rgba(18,194,160,.1);border-color:var(--brand);}
.btn--sm{padding:10px 18px;font-size:14px;}
.btn--onDark{background:var(--brand-bright);color:var(--ink-900);}
.btn--outlineDark{border-color:rgba(255,255,255,.28);color:var(--text-dark);}
.btn--outlineDark:hover{background:rgba(255,255,255,.08);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.link-arrow::after{content:"→";transition:transform .2s ease;}
.link-arrow:hover{text-decoration:underline;text-underline-offset:3px;}
.link-arrow:hover::after{transform:translateX(3px);}

/* ---------- 顶部双层导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;}
.nav-bar{
  background:var(--ink-900);
  border-bottom:1px solid var(--line-dark);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled .nav-bar{box-shadow:0 10px 30px -18px rgba(0,0,0,.9);border-bottom-color:rgba(255,255,255,.16);}
.nav-bar__inner{
  max-width:var(--container);margin:0 auto;padding:0 32px;
  height:64px;display:flex;align-items:center;gap:24px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo__mark{width:26px;height:26px;display:grid;grid-template-columns:repeat(3,1fr);gap:3px;}
.logo__mark i{display:block;background:rgba(53,224,200,.42);border-radius:2px;}
.logo__mark i:nth-child(5){background:var(--accent);}
.logo__mark i:nth-child(1),.logo__mark i:nth-child(9){background:var(--brand-bright);}
.logo__text{font-size:19px;font-weight:700;color:var(--text-dark);letter-spacing:.01em;}
.logo__text em{font-style:normal;color:var(--brand-bright);font-family:var(--font-num);}
.search{flex:0 1 320px;margin-left:auto;}
.search input{
  width:100%;height:40px;padding:0 16px;
  background:var(--ink-700);border:1px solid var(--line-dark);border-radius:var(--radius-sm);
  color:var(--text-dark);font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search input::placeholder{color:var(--text-dark-2);}
.search input:focus{outline:none;border-color:var(--brand-bright);box-shadow:0 0 0 3px rgba(53,224,200,.16);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--radius-sm);border:1px solid var(--line-dark);
  transition:background-color .2s ease,border-color .2s ease;
}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:var(--text-dark);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.icon-btn:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.24);}
.channel-bar{background:var(--ink-700);border-bottom:1px solid var(--line-dark);}
.channel-bar__inner{
  max-width:var(--container);margin:0 auto;padding:0 32px;
  height:48px;display:flex;align-items:center;gap:10px;
  overflow-x:auto;scrollbar-width:none;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
}
.channel-bar__inner::-webkit-scrollbar{display:none;}
.channel{
  flex:0 0 auto;padding:7px 18px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--text-dark-2);
  transition:background-color .2s ease,color .2s ease;
}
.channel:hover{background:rgba(255,255,255,.08);color:var(--text-dark);}
.channel.is-active{background:var(--brand-bright);color:var(--ink-900);}

/* ---------- 浅底英雄区 ---------- */
.hero-paper{
  background:var(--paper);
  padding:72px 0 64px;
  border-bottom:1px solid var(--line);
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-2);margin-bottom:28px;}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--brand);}
.crumbs span{color:#B6B3A9;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:64px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(18,194,160,.12);color:#0E8C74;
  font-size:12px;font-weight:600;letter-spacing:.04em;margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
.hero-paper h1{font-size:44px;margin-bottom:22px;max-width:15em;}
.hero-paper h1 .hl{color:var(--brand);}
.hero-lead{font-size:17px;line-height:1.9;color:var(--text-2);max-width:46em;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;padding-top:28px;border-top:1px solid var(--line);}
.hero-stats div{min-width:96px;}
.hero-stats strong{display:block;font-family:var(--font-num);font-size:30px;line-height:1.1;color:var(--ink-900);}
.hero-stats span{font-size:14px;color:var(--text-2);}
.hero-aside{position:relative;}
.hero-aside img{
  border-radius:var(--radius-card);box-shadow:var(--shadow-2);
  aspect-ratio:3/4;object-fit:cover;width:100%;
}
.hero-aside .tag-float{
  position:absolute;left:-14px;bottom:22px;
  background:var(--ink-900);color:var(--text-dark);
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:600;
  box-shadow:var(--shadow-2);
}
.hero-aside .tag-float b{color:var(--accent);font-family:var(--font-num);}

/* ---------- 主体：sticky 侧栏 + 清单 ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--paper2{background:var(--paper-2);}
.section-head{max-width:640px;margin-bottom:44px;}
.section-head h2{font-size:30px;margin-bottom:16px;}
.section-head p{color:var(--text-2);margin:0;}
.kicker{
  font-family:var(--font-num);font-size:13px;font-weight:600;letter-spacing:.16em;
  color:var(--brand);text-transform:uppercase;display:block;margin-bottom:12px;
}
.guide-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:56px;align-items:start;}
.side-nav{
  position:sticky;top:148px;
  border-left:2px solid var(--line);padding-left:22px;
}
.side-nav h3{font-size:15px;letter-spacing:.06em;color:var(--text-2);font-weight:600;margin-bottom:16px;}
.side-nav a{
  display:block;padding:8px 0;font-size:15px;color:var(--text-2);
  border-bottom:1px dashed transparent;
}
.side-nav a:hover{color:var(--brand);}
.side-nav .side-cta{
  margin-top:22px;padding:18px;border-radius:var(--radius-sm);
  background:var(--ink-900);color:var(--text-dark);
}
.side-nav .side-cta p{font-size:13.5px;line-height:1.7;color:var(--text-dark-2);margin:8px 0 14px;}

.entry-list{border-top:1px solid var(--line);}
.entry{
  display:grid;grid-template-columns:64px minmax(0,1fr) 28px;gap:20px;align-items:start;
  padding:28px 6px 28px 0;
  border-bottom:1px solid var(--line);
  transition:background-color .22s ease,padding-left .22s ease;
}
.entry:hover{background:rgba(18,194,160,.05);padding-left:12px;}
.entry__no{
  font-family:var(--font-num);font-size:28px;font-weight:600;color:var(--brand);line-height:1.1;
  padding-top:2px;
}
.entry__title{font-size:18px;font-weight:600;margin-bottom:8px;transition:color .2s ease;}
.entry:hover .entry__title{color:var(--brand);}
.entry__desc{font-size:15.5px;line-height:1.8;color:var(--text-2);margin:0;}
.entry__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.chip{
  display:inline-block;padding:3px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--paper-2);color:var(--text-2);border:1px solid var(--line);
}
.chip--brand{background:rgba(18,194,160,.13);color:#0E8C74;border-color:rgba(18,194,160,.28);}
.chip--violet{background:rgba(124,92,255,.12);color:#5B3FE0;border-color:rgba(124,92,255,.26);}
.chip--accent{background:rgba(255,176,32,.16);color:#9A6400;border-color:rgba(255,176,32,.34);}
.entry__go{
  font-family:var(--font-num);font-size:20px;color:#C9C6BC;
  transition:transform .2s ease,color .2s ease;padding-top:4px;
}
.entry:hover .entry__go{transform:translateX(4px);color:var(--brand);}

/* ---------- 对照表 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;}
table{width:100%;border-collapse:collapse;min-width:660px;}
thead th{
  background:var(--ink-900);color:var(--text-dark);
  font-size:14px;font-weight:600;text-align:left;padding:16px 20px;letter-spacing:.02em;
}
tbody td{padding:18px 20px;font-size:15.5px;color:var(--text-2);border-bottom:1px solid var(--line);vertical-align:top;}
tbody tr:last-child td{border-bottom:0;}
tbody tr:nth-child(even) td{background:var(--paper-2);}
tbody td strong{color:var(--text);font-weight:600;}
.dot-list{display:grid;gap:10px;margin:0;}
.dot-list li{position:relative;padding-left:18px;font-size:15.5px;color:var(--text-2);}
.dot-list li::before{
  content:"";position:absolute;left:0;top:.68em;width:7px;height:7px;border-radius:2px;background:var(--brand);
}

/* ---------- FAQ ---------- */
.faq{max-width:900px;}
.faq details{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;margin-bottom:14px;overflow:hidden;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.faq details:hover{border-color:#CFCBBD;box-shadow:var(--shadow-1);}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;font-size:18px;font-weight:600;color:var(--text);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary span.plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--paper-2);color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:18px;line-height:1;
  transition:transform .2s ease,background-color .2s ease,color .2s ease;
}
.faq details[open] summary span.plus{transform:rotate(45deg);background:var(--brand);color:var(--ink-900);}
.faq details[open] summary{color:var(--brand);}
.faq .answer{padding:0 26px 24px;font-size:16px;line-height:1.8;color:var(--text-2);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink-900);color:var(--text-dark);
  padding:84px 0 92px;
  clip-path:polygon(0 0,100% 32px,100% 100%,0 100%);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-40px;width:320px;height:320px;
  background:
    radial-gradient(circle at center,rgba(53,224,200,.18) 0 2px,transparent 3px) 0 0/24px 24px;
  opacity:.7;pointer-events:none;
}
.cta-inner{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:48px;align-items:center;position:relative;z-index:1;}
.cta-band h2{font-size:30px;color:var(--text-dark);margin-bottom:16px;}
.cta-band p{color:var(--text-dark-2);margin:0;max-width:40em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:var(--text-dark-2);padding:72px 0 32px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:48px;border-bottom:1px solid var(--line-dark);}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{font-size:15px;line-height:1.85;color:var(--text-dark-2);max-width:30em;margin-bottom:18px;}
.footer-brand .link-arrow{color:var(--brand-bright);}
.footer-col h4{font-size:15px;color:var(--text-dark);margin-bottom:18px;font-weight:600;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:15px;color:var(--text-dark-2);}
.footer-col a:hover{color:var(--brand-bright);}
.footer-contact li{display:flex;justify-content:space-between;gap:16px;font-size:15px;color:var(--text-dark-2);}
.footer-contact span{color:var(--text-dark);font-family:var(--font-num);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:26px;font-size:14px;color:#7E7A8A;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container,.nav-bar__inner,.channel-bar__inner{padding-left:32px;padding-right:32px;}
}
@media (max-width:1023px){
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:40px;}
  .hero-aside{max-width:420px;}
  .guide-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .side-nav{position:static;border-left:0;border-top:2px solid var(--line);padding:24px 0 0;}
  .side-nav a{display:inline-block;padding:8px 14px;border:1px solid var(--line);border-radius:999px;margin:0 8px 8px 0;}
  .cta-inner{grid-template-columns:minmax(0,1fr);}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .hero-paper h1{font-size:38px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .hero-paper{padding:48px 0 44px;}
  .hero-paper h1{font-size:30px;}
  .section-head h2,.cta-band h2{font-size:24px;}
  .search{display:none;}
  .entry{grid-template-columns:44px minmax(0,1fr);gap:14px;}
  .entry__go{display:none;}
  .entry__no{font-size:22px;}
  .hero-stats{gap:26px;}
  .hero-stats strong{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;gap:34px;}
  .nav-actions .btn--sm{padding:9px 14px;font-size:13px;}
}
@media (max-width:520px){
  .container,.nav-bar__inner,.channel-bar__inner{padding-left:20px;padding-right:20px;}
  .logo__text{font-size:17px;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq summary{padding:18px 18px;font-size:16px;}
  .faq .answer{padding:0 18px 20px;}
  .footer-bottom{flex-direction:column;}
}