/* roulang page: index */
:root{
  --brand:#0E9F84;
  --brand-600:#0B8570;
  --brand-soft:#E6F6F1;
  --accent:#D98A2B;
  --accent-soft:#FBF1E2;
  --ink-900:#0D0F10;
  --ink-700:#23272A;
  --ink-500:#5A6166;
  --ink-300:#9AA1A6;
  --line:#E3E1DC;
  --paper:#F7F6F3;
  --card:#FFFFFF;
  --r-sm:8px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,15,16,.04);
  --sh-2:0 10px 28px -12px rgba(13,15,16,.18);
  --t:.16s cubic-bezier(.22,.61,.36,1);
  --nav-w:232px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-500);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ink-700);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--brand)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.25;letter-spacing:-.02em}
h3{font-size:1.375rem;font-weight:600}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--brand-soft);color:var(--ink-900)}
:focus-visible{outline:3px solid rgba(14,159,132,.35);outline-offset:2px;border-radius:6px}

/* ---------- 布局骨架 ---------- */
.shell{width:100%;max-width:1120px;margin:0 auto;padding:0 28px}
.page-wrap{margin-left:var(--nav-w)}
.section{padding:104px 0}
.section--soft{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--dark{background:var(--ink-900);color:#C9CFD1}
.section--dark h2,.section--dark h3,.section--dark h4{color:#fff}
.section--dark p{color:#B7BFBE}
.sec-head{margin-bottom:48px;max-width:760px}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.sec-num{display:block;font-size:clamp(2.5rem,2rem+2vw,4rem);font-weight:300;line-height:1;color:var(--ink-300);letter-spacing:-.05em;margin-bottom:14px}
.section--dark .sec-num{color:rgba(255,255,255,.22)}
.sec-head h2{font-size:clamp(1.6rem,1.1rem+1.8vw,2.45rem);font-weight:700}
.sec-desc{margin-top:14px;font-size:1.0625rem;color:var(--ink-500);max-width:44em}
.link-more{position:relative;font-size:14px;font-weight:600;color:var(--brand-600);white-space:nowrap}
.link-more::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;background:var(--brand);transition:width var(--t)}
.link-more:hover::after{width:100%}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--r-pill);
  padding:13px 26px;font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t)}
.btn:active{transform:translateY(1px)}
.btn .ico{transition:transform var(--t)}
.btn:hover .ico{transform:translateX(4px)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-600);color:#fff}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#C17721;color:#fff}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.34)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink-700)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-600)}
.btn-block{width:100%}
.btn-lg{padding:16px 32px;font-size:16px}

/* ---------- 左侧竖向导航 ---------- */
.nav-side{
  position:fixed;left:0;top:0;bottom:0;width:var(--nav-w);z-index:70;
  display:flex;flex-direction:column;
  padding:26px 18px 22px;background:#fff;border-right:1px solid var(--line);
  transition:width var(--t),box-shadow var(--t);overflow:hidden;
}
.brand{display:flex;align-items:center;gap:10px;padding:6px;border-radius:var(--r-sm);flex:0 0 auto}
.brand-mark{width:20px;height:20px;flex:0 0 20px;border-radius:6px;background:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.brand-text{font-weight:800;font-size:15px;color:var(--ink-900);letter-spacing:-.01em;white-space:nowrap}
.brand-text:hover{color:var(--ink-900)}
.nav-list{display:flex;flex-direction:column;gap:4px;margin-top:28px;flex:1 1 auto}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ink-700);white-space:nowrap;
  transition:background var(--t),color var(--t);
}
.nav-link:hover{background:#F2F1ED;color:var(--ink-900)}
.nav-link.active{background:var(--brand-soft);color:var(--brand-600);font-weight:700}
.nav-link.active::before{
  content:"";position:absolute;left:-18px;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--brand);
}
.side-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:12px}
.side-contact{font-size:12px;line-height:1.7;color:var(--ink-300);margin:0}
.nav-side .brand-text,.nav-side .nav-link span,.nav-side .side-foot{transition:opacity .14s ease}

/* ---------- 移动端顶部导航 ---------- */
.nav-top{
  display:none;position:sticky;top:0;z-index:80;height:60px;
  align-items:center;justify-content:space-between;padding:0 18px;
  background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.hamburger{width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:12px;
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;transition:border-color var(--t)}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-700)}
.hamburger:hover{border-color:var(--brand)}
.offcanvas{background:#fff}
.offcanvas .nav-link{font-size:18px;padding:14px 12px;border-bottom:1px solid var(--line);border-radius:0}
.offcanvas .nav-link.active{background:var(--brand-soft);border-radius:10px}
.offcanvas .nav-link.active::before{display:none}

/* ---------- Hero ---------- */
.hero-kv{position:relative;overflow:hidden;background:var(--ink-900);padding:112px 0 88px;color:#D7DDDC}
.hero-bg{position:absolute;inset:0;background-position:center;background-size:cover;opacity:.30}
.hero-kv::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,15,16,.92) 0%,rgba(13,15,16,.58) 44%,rgba(13,15,16,.96) 100%)}
.hero-kv .shell{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero-kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.14em;color:#8FE4D4}
.hero-kicker::before{content:"";width:24px;height:1px;background:var(--brand)}
.hero-kv h1{color:#fff;font-size:clamp(2rem,1.25rem + 2.4vw,3.3rem);font-weight:800;line-height:1.14;
  letter-spacing:-.025em;margin:20px 0 18px}
.hero-sub{font-size:clamp(1rem,.95rem + .3vw,1.15rem);color:#C4CCCB;max-width:34em;margin-bottom:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);border:1px solid rgba(255,255,255,.14)}
.hero-float{
  position:absolute;right:-6px;bottom:-22px;background:#fff;border-radius:var(--r-md);
  padding:16px 22px;box-shadow:var(--sh-2);display:flex;gap:26px;
}
.hero-float b{display:block;font-size:19px;color:var(--ink-900);line-height:1.2;font-weight:800}
.hero-float span{font-size:12px;color:var(--ink-300)}
.stats{
  position:relative;z-index:2;margin-top:72px;padding-top:28px;
  border-top:1px solid rgba(255,255,255,.14);
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.stat b{display:block;font-size:clamp(1.5rem,1.15rem + .8vw,2.05rem);font-weight:800;color:#fff;line-height:1.15;letter-spacing:-.02em}
.stat span{font-size:13px;color:#93A09E}

/* ---------- 时间线 / 步骤 ---------- */
.tl{margin-top:8px}
.tl-item{position:relative;padding:0 0 42px 56px}
.tl-item::before{
  content:"";position:absolute;left:14px;top:6px;width:15px;height:15px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);z-index:2;
}
.tl-item::after{content:"";position:absolute;left:20px;top:26px;bottom:0;width:2px;background:var(--line)}
.tl-item:last-child{padding-bottom:0}
.tl-item:last-child::after{display:none}
.tl-item.is-current::before{border-color:var(--accent);box-shadow:0 0 0 6px var(--accent-soft)}
.tl-step{font-size:13px;font-weight:700;color:var(--brand-600);letter-spacing:.08em}
.tl-item.is-current .tl-step{color:var(--accent)}
.tl-item h3{margin:6px 0 8px;font-size:1.28rem}
.tl-item p{margin:0 0 12px;max-width:52em}
.tag{display:inline-block;font-size:12px;line-height:1;padding:6px 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-600);font-weight:600;margin-right:8px}
.tag--accent{background:var(--accent-soft);color:#A5661B}

/* ---------- 错位特性网格 ---------- */
.grid-feature{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BBE7DC}
.feat-lg{grid-column:span 2;grid-row:span 2}
.feat-media{display:block;overflow:hidden}
.feat-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9}
.feat-card:not(.feat-lg) .feat-media img{aspect-ratio:4/3}
.feat-body{padding:26px 28px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.feat-lg .feat-body{padding:32px 34px}
.feat-body h3{font-size:1.2rem}
.feat-lg .feat-body h3{font-size:1.6rem}
.feat-body p{margin:0;font-size:15px}
.feat-meta{margin-top:auto;font-size:13px;color:var(--ink-300);padding-top:8px;border-top:1px solid var(--line)}

/* ---------- 三列方案对比 ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;margin-top:8px}
.plan{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:34px 28px;display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BBE7DC}
.plan--reco{border-color:var(--accent);transform:translateY(-8px);box-shadow:0 14px 32px -18px rgba(217,138,43,.55)}
.plan--reco:hover{transform:translateY(-10px)}
.plan-badge{
  position:absolute;top:-13px;left:28px;font-size:12px;font-weight:700;line-height:1;
  padding:7px 14px;border-radius:var(--r-pill);background:var(--accent);color:#fff;
}
.plan h3{font-size:1.25rem;margin-bottom:6px}
.plan-price{font-size:2rem;font-weight:800;color:var(--ink-900);letter-spacing:-.03em;line-height:1.15}
.plan-price small{font-size:13px;font-weight:500;color:var(--ink-300);margin-left:6px}
.plan-desc{font-size:14px;color:var(--ink-500);margin:6px 0 20px}
.plan-list{margin:0 0 26px;border-top:1px solid var(--line)}
.plan-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;padding:11px 0;border-bottom:1px dashed var(--line)}
.plan-list .mark{flex:0 0 18px;font-weight:700;color:var(--brand)}
.plan-list .mark--off{color:var(--ink-300)}
.plan .btn{margin-top:auto}

/* ---------- 报名 CTA ---------- */
.signup-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:start}
.signup-list{margin:26px 0 0;display:flex;flex-direction:column;gap:12px}
.signup-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#B7BFBE}
.signup-list li::before{content:"";flex:0 0 8px;height:8px;margin-top:10px;border-radius:50%;background:var(--brand)}
.form-card{background:#fff;border-radius:var(--r-lg);padding:34px;box-shadow:var(--sh-2)}
.form-card h3{font-size:1.15rem;margin-bottom:22px}
.form-row{margin-bottom:18px}
.form-label{display:block;font-size:13px;font-weight:600;color:var(--ink-700);margin-bottom:8px}
.form-control,.form-select{
  width:100%;height:48px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#FCFBF9;padding:0 14px;font-size:15px;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);background:#fff;outline:0;
  box-shadow:0 0 0 4px rgba(14,159,132,.14);
}
.form-control::placeholder{color:#B3B8B9}
.form-note{font-size:12px;color:var(--ink-300);line-height:1.7;margin:14px 0 0}
.form-error{display:block;font-size:12px;color:#C2453A;margin-top:6px;min-height:0}

/* ---------- 最新信息列表 ---------- */
.news-wrap{min-height:320px}
.news-lead{
  display:grid;grid-template-columns:1.02fr 1fr;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;margin-bottom:20px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-lead:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BBE7DC}
.news-lead-media{display:block;overflow:hidden}
.news-lead-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;min-height:280px}
.news-lead-body{padding:34px;display:flex;flex-direction:column;justify-content:center}
.news-lead-body h3{font-size:1.42rem;margin-bottom:12px}
.news-lead-body h3 a{color:var(--ink-900)}
.news-lead-body h3 a:hover{color:var(--brand)}
.news-lead-body p{font-size:15px;margin-bottom:16px}
.news-row{
  display:grid;grid-template-columns:196px 1fr;gap:24px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;margin-bottom:16px;min-height:150px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-row:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BBE7DC}
.news-row-media{display:block;overflow:hidden}
.news-row-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;min-height:150px}
.news-row-body{padding:24px 28px 24px 0;display:flex;flex-direction:column;justify-content:center}
.news-row-body h3{font-size:1.08rem;margin-bottom:8px}
.news-row-body h3 a{color:var(--ink-900)}
.news-row-body h3 a:hover{color:var(--brand)}
.news-row-body p{font-size:14.5px;margin-bottom:10px}
.badge-cat{
  display:inline-block;font-size:12px;font-weight:600;line-height:1;
  padding:6px 12px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-600);
  margin-bottom:12px;align-self:flex-start;
}
.meta{font-size:13px;color:var(--ink-300)}
.news-empty{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-md);
  padding:64px 28px;text-align:center;
}
.news-empty .dot{display:inline-block;width:44px;height:44px;border-radius:50%;background:var(--brand-soft);margin-bottom:16px}
.news-empty p{margin:0 0 18px;color:var(--ink-500)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0}
.faq .accordion-header{margin:0}
.faq .accordion-button{
  position:relative;background:transparent;box-shadow:none;border:0;border-radius:0;
  padding:24px 56px 24px 0;font-size:1.0625rem;font-weight:600;color:var(--ink-900);
  transition:color var(--t);
}
.faq .accordion-button:not(.collapsed){color:var(--brand-600)}
.faq .accordion-button:focus{box-shadow:none;outline:0}
.faq .accordion-button:focus-visible{outline:3px solid rgba(14,159,132,.35);outline-offset:-3px}
.faq .accordion-button::after{display:none}
.faq .accordion-button::before{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:300;color:var(--ink-300);transition:color var(--t);
}
.faq .accordion-button:not(.collapsed)::before{content:"−";color:var(--brand)}
.faq .accordion-body{padding:0 0 26px 22px;font-size:15.5px;line-height:1.9;color:var(--ink-500);position:relative}
.faq .accordion-body::before{
  content:"";position:absolute;left:2px;top:12px;width:8px;height:8px;border-radius:50%;background:var(--brand);
}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-900);color:#C9CFD1;padding:76px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer .brand-text{color:#fff}
.footer h4{font-size:14px;color:#fff;letter-spacing:.06em;margin-bottom:16px;font-weight:700}
.footer p{font-size:13.5px;color:#8F9897;line-height:1.8}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer a{color:#C9CFD1;font-size:14px}
.footer a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.10);padding:22px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8A9294;
}
.footer-brand-line{display:flex;align-items:center;gap:10px;margin-bottom:14px}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);
  transition:opacity .6s cubic-bezier(.22,.61,.36,1),transform .6s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式：992–1199 图标模式 ---------- */
@media (min-width:992px) and (max-width:1199.98px){
  :root{--nav-w:84px}
  .nav-side{width:84px;padding-left:14px;padding-right:14px}
  .nav-side:hover,.nav-side:focus-within{width:232px;box-shadow:var(--sh-2)}
  .nav-side .brand-text,.nav-side .nav-link span,.nav-side .side-foot{opacity:0}
  .nav-side:hover .brand-text,.nav-side:hover .nav-link span,.nav-side:hover .side-foot,
  .nav-side:focus-within .brand-text,.nav-side:focus-within .nav-link span,.nav-side:focus-within .side-foot{opacity:1}
}
@media (max-width:1199.98px){
  .section{padding:88px 0}
  .hero-kv{padding:96px 0 76px}
}
@media (max-width:991.98px){
  .nav-side{display:none}
  .nav-top{display:flex}
  .page-wrap{margin-left:0}
  .section{padding:80px 0}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-float{position:static;margin-top:18px;box-shadow:none;border:1px solid var(--line)}
  .stats{grid-template-columns:repeat(2,1fr);gap:26px 20px;margin-top:52px}
  .grid-feature{grid-template-columns:1fr}
  .feat-lg{grid-column:auto;grid-row:auto}
  .plans{grid-template-columns:1fr}
  .plan--reco{transform:none}
  .plan--reco:hover{transform:translateY(-4px)}
  .signup-grid{grid-template-columns:1fr;gap:36px}
  .news-lead{grid-template-columns:1fr}
  .news-lead-media img{min-height:220px;aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .shell{padding:0 18px}
  .section{padding:64px 0}
  .hero-kv{padding:72px 0 64px}
  .sec-head{margin-bottom:34px}
  .sec-head--row{flex-direction:column;align-items:flex-start;gap:10px}
  .news-row{grid-template-columns:1fr;gap:0}
  .news-row-media img{aspect-ratio:16/9;min-height:0}
  .news-row-body{padding:22px}
  .news-lead-body{padding:24px}
  .form-card{padding:24px}
  .plan{padding:28px 22px}
  .tl-item{padding-left:46px}
  .footer{padding-top:56px}
}
@media (max-width:575.98px){
  .hero-actions .btn{width:100%}
  .stats{grid-template-columns:repeat(2,1fr)}
  .hero-float{gap:18px;padding:14px 16px;flex-wrap:wrap}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .accordion-button{font-size:1rem}
}

/* roulang page: article */
:root{
  --brand:#0E9F84;
  --brand-hover:#0B8570;
  --brand-soft:#E6F6F1;
  --accent:#D98A2B;
  --ink-900:#0D0F10;
  --ink-700:#23272A;
  --ink-500:#5A6166;
  --ink-300:#9AA1A6;
  --line:#E3E1DC;
  --bg:#F7F6F3;
  --surface:#FFFFFF;
  --danger:#C2453A;
  --r-sm:8px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,15,16,.04);
  --sh-2:0 10px 28px -12px rgba(13,15,16,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-w:232px;
  --ff:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:80px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-500);
  font-family:var(--ff);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .16s var(--ease);}
h1,h2,h3,h4{color:var(--ink-900);letter-spacing:-.01em;margin:0;}
p{margin:0 0 1em;}
ul,ol{padding-left:1.4em;}
button{font-family:inherit;}
::selection{background:var(--brand-soft);color:var(--ink-900);}
:focus-visible{outline:3px solid rgba(14,159,132,.38);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 容器 ---------- */
.shell{max-width:1120px;margin:0 auto;padding:0 24px;}
.site-body{padding-left:var(--nav-w);min-height:100vh;}

/* ---------- 左侧竖向导航 ---------- */
.nav-side{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--surface);border-right:1px solid var(--line);
  padding:26px 18px 22px;display:flex;flex-direction:column;z-index:1040;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:var(--ink-900);line-height:1.3;}
.brand-mark{width:20px;height:20px;border-radius:6px;background:var(--brand);flex:0 0 20px;}
.brand-text{letter-spacing:-.01em;}
.nav-list{list-style:none;margin:30px 0 0;padding:0;display:flex;flex-direction:column;gap:4px;}
.nav-link{
  display:block;position:relative;padding:11px 14px;border-radius:12px;
  color:var(--ink-700);font-size:15px;line-height:1.5;transition:background .16s var(--ease),color .16s var(--ease);
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-hover);}
.nav-link.active{background:var(--brand-soft);color:var(--ink-900);font-weight:600;}
.nav-link.active::before{content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:3px;background:var(--brand);}
.side-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--line);}
.side-contact{margin:14px 0 0;font-size:12.5px;line-height:1.7;color:var(--ink-300);font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  border-radius:var(--r-pill);font-weight:600;font-size:15px;
  padding:12px 22px;border:1px solid transparent;
  transition:background .15s ease-out,color .15s ease-out,transform .15s ease-out,border-color .15s ease-out,box-shadow .15s ease-out;
}
.btn:active{transform:translateY(1px);}
.btn-brand{background:var(--brand);color:#fff;border-color:var(--brand);}
.btn-brand:hover,.btn-brand:focus{background:var(--brand-hover);border-color:var(--brand-hover);color:#fff;}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff;}
.btn-accent:hover,.btn-accent:focus{background:#c07a24;border-color:#c07a24;color:#fff;}
.btn-outline-brand{background:#fff;color:var(--ink-700);border-color:var(--line);}
.btn-outline-brand:hover,.btn-outline-brand:focus{background:var(--brand-soft);color:var(--brand-hover);border-color:rgba(14,159,132,.45);}
.btn-ghost-light{background:transparent;color:#F2F4F4;border-color:rgba(255,255,255,.35);}
.btn-ghost-light:hover,.btn-ghost-light:focus{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.6);}
.btn-block{display:block;width:100%;text-align:center;}
.btn .ico{display:inline-block;margin-left:6px;transition:transform .15s ease-out;}
.btn:hover .ico{transform:translateX(4px);}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:1045;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);align-items:center;justify-content:space-between;
  padding:0 16px;
}
.topbar .brand{font-size:15px;}
.burger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;padding:0;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-700);}
.offcanvas{border-left:1px solid var(--line);}
.offcanvas.offcanvas-end{width:min(84vw,320px);border-top-left-radius:var(--r-lg);border-bottom-left-radius:var(--r-lg);}
.offcanvas-body{padding:8px 18px 24px;}
.nav-list-mobile .nav-link{padding:15px 14px;font-size:17px;border-bottom:1px solid var(--line);border-radius:10px;}
.nav-list-mobile .nav-link.active::before{top:15px;bottom:15px;}

/* ---------- 阅读进度 ---------- */
.read-progress{position:fixed;top:0;left:var(--nav-w);right:0;height:3px;background:rgba(227,225,220,.7);z-index:1050;}
.read-progress span{display:block;height:100%;width:0;background:var(--brand);transition:width .1s linear;}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-300);padding:28px 0 0;}
.crumbs a{color:var(--ink-500);}
.crumbs a:hover{color:var(--brand-hover);}
.crumbs .sep{color:var(--ink-300);}
.crumbs .cur{color:var(--ink-700);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头部 ---------- */
.article-head{padding:26px 0 26px;border-bottom:1px solid var(--line);}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;background:var(--brand-soft);
  color:var(--brand-hover);font-size:13px;font-weight:600;letter-spacing:.02em;
  padding:5px 13px;border-radius:var(--r-pill);
}
.article-title{
  font-size:clamp(1.7rem,1.15rem + 2.2vw,2.7rem);
  font-weight:800;line-height:1.2;letter-spacing:-.02em;
  margin:16px 0 18px;max-width:24ch;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13.5px;color:var(--ink-300);font-variant-numeric:tabular-nums;}
.meta-row .vr{width:1px;height:13px;background:var(--line);}
.meta-row b{color:var(--ink-700);font-weight:600;}

/* ---------- 正文 ---------- */
.article-wrap{display:block;}
.article-body{max-width:760px;margin:0 auto;padding:44px 0 10px;font-size:17.5px;line-height:1.9;color:var(--ink-500);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:clamp(1.3rem,1.1rem + .7vw,1.55rem);font-weight:700;line-height:1.35;
  margin:48px 0 18px;padding-left:15px;position:relative;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.25em;bottom:.25em;width:4px;border-radius:4px;background:var(--brand);}
.article-body h3{font-size:1.2rem;font-weight:600;margin:34px 0 12px;line-height:1.4;}
.article-body h4{font-size:1.05rem;font-weight:600;margin:26px 0 10px;}
.article-body a{color:var(--brand-hover);border-bottom:1px solid rgba(14,159,132,.35);}
.article-body a:hover{color:var(--brand);border-bottom-color:var(--brand);}
.article-body strong{color:var(--ink-900);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.4em;}
.article-body li{margin:.4em 0;}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;background:var(--brand-soft);color:var(--ink-700);
  border-left:3px solid var(--accent);border-radius:0 var(--r-md) var(--r-md) 0;
  font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:28px 0;}
.article-body figure{margin:28px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-300);margin-top:10px;text-align:center;}
.article-body table{width:100%;border-collapse:collapse;display:block;overflow-x:auto;margin:26px 0;font-size:15px;}
.article-body th,.article-body td{padding:12px 15px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;}
.article-body th{background:var(--brand-soft);color:var(--ink-900);font-weight:600;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:38px 0;}
.article-body code{background:#F1EFEA;border-radius:6px;padding:2px 7px;font-size:15px;color:var(--ink-700);}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:760px;margin:0 auto;padding:56px 0 40px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--surface);
}
.empty-state .empty-title{font-size:1.25rem;font-weight:700;color:var(--ink-900);margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--ink-300);margin-bottom:22px;}

/* ---------- 相关推荐 ---------- */
.reco{padding:64px 0 8px;}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:26px;}
.sec-head h2{font-size:clamp(1.35rem,1.1rem + .8vw,1.75rem);font-weight:700;line-height:1.3;}
.sec-head .link-more{font-size:14px;color:var(--brand-hover);position:relative;}
.sec-head .link-more::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;background:var(--brand);transition:width .2s var(--ease);}
.sec-head .link-more:hover::after{width:100%;}
.reco-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:start;}
.reco-side{display:grid;gap:24px;}
.card-c{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),border-color .16s var(--ease);
  display:flex;flex-direction:column;min-height:100%;
}
.card-c:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,159,132,.45);}
.card-c figure{margin:0;overflow:hidden;}
.card-c img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.card-c .pad{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-c .tag{font-size:12.5px;font-weight:600;color:var(--accent);letter-spacing:.02em;}
.card-c h3{font-size:1.08rem;font-weight:700;line-height:1.45;}
.card-c p{font-size:14.5px;line-height:1.75;color:var(--ink-500);margin:0;}
.card-c .meta{font-size:12.5px;color:var(--ink-300);font-variant-numeric:tabular-nums;margin-top:auto;}

/* ---------- CTA ---------- */
.cta-sec{padding:72px 0 0;}
.cta-band{
  border-radius:var(--r-lg);padding:52px 48px;
  background-color:var(--ink-900);
  background-image:linear-gradient(100deg,rgba(13,15,16,.94) 12%,rgba(13,15,16,.72) 68%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#C9CFD1;display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band h2{color:#fff;font-size:clamp(1.4rem,1.15rem + .9vw,1.9rem);font-weight:700;line-height:1.3;margin-bottom:12px;}
.cta-band p{margin:0;font-size:15.5px;line-height:1.8;max-width:46ch;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.footer{margin-top:88px;background:var(--ink-900);color:#C9CFD1;padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand-line{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer .brand-text{color:#fff;font-weight:800;font-size:16px;}
.footer p{font-size:14.5px;line-height:1.8;color:#9AA1A6;margin:0;}
.footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14.5px;font-variant-numeric:tabular-nums;}
.footer-links a{color:#C9CFD1;}
.footer-links a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8B9297;
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  .btn,.card-c,.nav-link,.read-progress span{transition:none;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-side{width:84px;padding:24px 12px;overflow:hidden;transition:width .2s var(--ease);}
  .nav-side:hover,.nav-side:focus-within{width:var(--nav-w);box-shadow:var(--sh-2);}
  .nav-side .brand-text,.nav-side .nav-link span,.nav-side .side-foot{opacity:0;transition:opacity .18s var(--ease);}
  .nav-side:hover .brand-text,.nav-side:hover .nav-link span,.nav-side:hover .side-foot,
  .nav-side:focus-within .brand-text,.nav-side:focus-within .nav-link span,.nav-side:focus-within .side-foot{opacity:1;}
  .site-body{padding-left:84px;}
  .read-progress{left:84px;}
  .reco-grid{grid-template-columns:1fr;}
}
@media (max-width:991px){
  .nav-side{display:none;}
  .topbar{display:flex;}
  .site-body{padding-left:0;padding-top:60px;}
  .read-progress{left:0;top:60px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-body{padding-top:34px;font-size:17px;}
}
@media (max-width:767px){
  .shell{padding:0 18px;}
  .article-title{max-width:none;}
  .article-body{font-size:16.5px;line-height:1.88;}
  .article-body h2{margin-top:38px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;text-align:center;}
  .footer{padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{margin-top:34px;}
}
@media (max-width:575px){
  body{font-size:16px;}
  .crumbs{padding-top:20px;}
  .article-head{padding:18px 0 22px;}
  .meta-row{gap:10px;font-size:13px;}
  .reco{padding-top:48px;}
  .cta-sec{padding-top:56px;}
  .empty-state{padding:40px 18px;}
}

/* roulang page: category1 */
:root{
  --brand:#0E9F84;
  --brand-deep:#0B8570;
  --brand-soft:#E6F6F1;
  --accent:#D98A2B;
  --accent-soft:#FBF1E3;
  --ink-900:#0D0F10;
  --ink-700:#23272A;
  --ink-500:#5A6166;
  --ink-300:#9AA1A6;
  --line:#E3E1DC;
  --bg:#F7F6F3;
  --card:#FFFFFF;
  --r-sm:8px;
  --r-md:16px;
  --r-lg:24px;
  --sh-1:0 1px 2px rgba(13,15,16,.04);
  --sh-2:0 10px 28px -12px rgba(13,15,16,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-w:232px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ink-500);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-deep)}
button{font-family:inherit}
h1,h2,h3,h4{color:var(--ink-900);margin:0}
ul{margin:0;padding:0}
:focus-visible{outline:3px solid rgba(14,159,132,.35);outline-offset:2px}

.shell{width:100%;max-width:1120px;margin:0 auto;padding:0 28px}

/* ============ 侧栏导航 ============ */
.nav-side{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:26px 18px 22px;z-index:60;
}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 20px;border-bottom:1px solid var(--line);margin-bottom:18px}
.brand-mark{width:20px;height:20px;border-radius:6px;background:var(--brand);box-shadow:inset 0 0 0 4px rgba(255,255,255,.28);flex:0 0 20px}
.brand-text{font-weight:800;color:var(--ink-900);font-size:16px;line-height:1.3;letter-spacing:-.01em}
.nav-list{list-style:none;display:flex;flex-direction:column;gap:4px;flex:1 1 auto}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:10px;
  color:var(--ink-700);font-size:15px;font-weight:600;
  transition:background .16s var(--ease),color .16s var(--ease);
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-link.active{background:var(--brand-soft);color:var(--ink-900);font-weight:700}
.nav-link.active::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:20px;background:var(--brand);border-radius:0 3px 3px 0}
.side-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}
.side-contact{margin:14px 0 0;font-size:12.5px;line-height:1.7;color:var(--ink-300);font-variant-numeric:tabular-nums}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:15px;
  padding:12px 22px;border:1px solid transparent;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-deep);color:#fff}
.btn-brand .ico{transition:transform .16s var(--ease)}
.btn-brand:hover .ico{transform:translateX(4px)}
.btn-line{background:#fff;border-color:var(--line);color:var(--ink-900)}
.btn-line:hover{border-color:var(--brand);color:var(--brand-deep)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.34);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);color:#fff}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#C07A22;color:#fff}
.btn-block{width:100%}

/* ============ 顶部移动导航 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:70;
  align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.topbar .brand{padding:0;border:none;margin:0}
.hamburger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink-700);border-radius:2px}
.offcanvas.offcanvas-end{width:302px;background:#fff}
.offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px}
.offcanvas-body{padding:16px 20px 24px}
.oc-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.oc-nav a{display:block;padding:13px 12px;border-radius:10px;color:var(--ink-700);font-weight:600;font-size:17px}
.oc-nav a.active{background:var(--brand-soft);color:var(--ink-900)}
.oc-contact{margin-top:16px;font-size:13px;color:var(--ink-300);line-height:1.8;font-variant-numeric:tabular-nums}

/* ============ 首屏 ============ */
.cat-hero{
  position:relative;color:#fff;overflow:hidden;
  background:#0D0F10 url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,15,16,.92) 0%,rgba(13,15,16,.72) 52%,rgba(13,15,16,.95) 100%);
}
.cat-hero .shell{position:relative;z-index:2;padding-top:76px;padding-bottom:64px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#9AA1A6;flex-wrap:wrap}
.crumb a{color:#C9CFD1}
.crumb a:hover{color:var(--brand)}
.hero-title{
  font-size:clamp(2.05rem,1.3rem + 3.2vw,3.5rem);
  font-weight:800;line-height:1.14;letter-spacing:-.02em;
  color:#fff;margin:18px 0 18px;max-width:17em;
}
.hero-sub{font-size:18px;color:#D6DBDC;max-width:44em;margin:0}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px}
.hero-tag{
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
  border-radius:999px;padding:8px 16px;font-size:13.5px;color:#E7EBEC;
  font-variant-numeric:tabular-nums;
}
.hero-tag b{color:#fff;font-weight:700}

/* ============ 数据条 ============ */
.stat-band{background:#fff;border-bottom:1px solid var(--line)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:30px 22px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:none}
.stat-num{font-size:30px;font-weight:800;color:var(--ink-900);letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.2}
.stat-label{font-size:13.5px;color:var(--ink-300);margin-top:4px}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:740px;margin-bottom:52px}
.kicker{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand)}
.sec-head h2{
  font-size:clamp(1.6rem,1.1rem + 1.6vw,2.3rem);
  font-weight:700;line-height:1.25;letter-spacing:-.01em;
  margin:12px 0 14px;
}
.sec-head p{margin:0;font-size:16.5px;color:var(--ink-500)}

/* ============ 交错图文 ============ */
.stagger-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:44px 0;border-top:1px solid var(--line);
}
.stagger-row:first-child{border-top:none;padding-top:0}
.stagger-row:last-child{padding-bottom:0}
.stagger-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-1)}
.stagger-row.reverse .stagger-media{order:2}
.big-num{
  display:block;font-size:52px;font-weight:300;line-height:1;
  color:var(--ink-300);letter-spacing:-.02em;font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.stagger-body h3{font-size:1.375rem;font-weight:700;margin:0 0 12px;line-height:1.35}
.stagger-body p{margin:0;font-size:16px;color:var(--ink-500)}
.tick-list{list-style:none;margin:16px 0 0}
.tick-list li{position:relative;padding-left:22px;margin-bottom:10px;font-size:15.5px;color:var(--ink-500)}
.tick-list li::before{content:"";position:absolute;left:0;top:.66em;width:8px;height:8px;border-radius:3px;background:var(--brand)}
.note-inline{
  margin-top:20px;padding:14px 18px;border-radius:var(--r-sm);
  background:var(--accent-soft);border-left:3px solid var(--accent);
  font-size:14.5px;color:var(--ink-700);
}

/* ============ 横向长条卡 ============ */
.strip-list{display:flex;flex-direction:column;gap:16px}
.strip{
  display:grid;grid-template-columns:190px 1fr auto;gap:24px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px;transition:transform .16s var(--ease),box-shadow .16s var(--ease),border-color .16s var(--ease);
}
.strip:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BFE6DC}
.strip img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px}
.strip h3{font-size:17px;font-weight:700;margin:0 0 6px;line-height:1.4}
.strip p{margin:0;font-size:14.5px;color:var(--ink-500)}
.strip-more{font-size:14px;font-weight:700;color:var(--brand);white-space:nowrap}

/* ============ 下一步链接卡 ============ */
.next-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.next-card{
  display:flex;gap:18px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;transition:transform .16s var(--ease),box-shadow .16s var(--ease),border-color .16s var(--ease);
}
.next-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BFE6DC}
.next-card img{width:96px;height:96px;flex:0 0 96px;object-fit:cover;border-radius:12px}
.next-card h3{font-size:16.5px;font-weight:700;margin:0 0 6px;color:var(--ink-900)}
.next-card p{margin:0;font-size:14px;color:var(--ink-500)}
.next-card .go{display:inline-block;margin-top:8px;font-size:13.5px;font-weight:700;color:var(--brand)}

/* ============ FAQ ============ */
.faq-list{max-width:860px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  position:relative;width:100%;background:none;border:none;text-align:left;
  padding:22px 46px 22px 24px;font-size:17px;font-weight:700;color:var(--ink-900);
  cursor:pointer;line-height:1.5;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:calc(22px + .55em);
  width:8px;height:8px;border-radius:50%;background:var(--brand);
}
.faq-q::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:24px;font-weight:400;color:var(--brand);line-height:1;transition:transform .2s var(--ease);
}
.faq-q[aria-expanded="true"]::after{content:"–";transform:translateY(-50%)}
.faq-a{padding:0 46px 26px 24px;font-size:15.5px;line-height:1.9;color:var(--ink-500)}

/* ============ CTA 深色带 ============ */
.cta-band{
  position:relative;color:#fff;overflow:hidden;
  background:#0D0F10 url('/assets/images/backpic/back-3.png') center/cover no-repeat;
}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(13,15,16,.94),rgba(13,15,16,.8))}
.cta-band .shell{position:relative;z-index:2;padding-top:84px;padding-bottom:84px}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.cta-inner h2{color:#fff;font-size:clamp(1.55rem,1.1rem + 1.5vw,2.15rem);font-weight:700;line-height:1.28;margin:0 0 16px}
.cta-inner .lead{color:#C9CFD1;font-size:16px;margin:0 0 22px}
.cta-points{list-style:none}
.cta-points li{position:relative;padding-left:22px;margin-bottom:10px;font-size:15px;color:#D6DBDC}
.cta-points li::before{content:"";position:absolute;left:0;top:.7em;width:8px;height:8px;border-radius:50%;background:var(--accent)}
.signup-form{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);padding:26px}
.form-field{margin-bottom:14px}
.form-label{display:block;font-size:13px;color:#B9C0C2;margin-bottom:6px}
.form-control,.form-select{
  width:100%;height:48px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.07);
  color:#fff;padding:0 14px;font-size:15px;
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease),background .16s var(--ease);
}
.form-control::placeholder{color:#8E9699}
.form-control:focus,.form-select:focus{
  outline:none;border-color:var(--brand);background:rgba(255,255,255,.12);
  box-shadow:0 0 0 3px rgba(14,159,132,.28);color:#fff;
}
.form-select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#C9CFD1 50%),linear-gradient(135deg,#C9CFD1 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.form-select option{color:#0D0F10}
.form-tip{margin:14px 0 0;font-size:12px;line-height:1.7;color:#8E9699}

/* ============ 页脚 ============ */
.footer{background:var(--ink-900);color:#C9CFD1;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand-line{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;font-weight:800;font-size:16px}
.footer p{margin:0;font-size:14.5px;color:#9AA1A6;line-height:1.8;max-width:30em}
.footer h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:#C9CFD1;font-size:14.5px}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding-top:22px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8E9699;
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (min-width:1200px){
  body{padding-left:var(--nav-w)}
}
@media (min-width:992px) and (max-width:1199.98px){
  body{padding-left:84px}
  .nav-side{width:84px;padding:22px 12px;overflow:hidden;transition:width .22s var(--ease)}
  .nav-side:hover,.nav-side:focus-within{width:var(--nav-w);padding:22px 18px;box-shadow:0 18px 40px -20px rgba(13,15,16,.4)}
  .nav-side .brand-text,.nav-side .nav-link span,.nav-side .side-contact,.nav-side .side-foot .btn span{display:none}
  .nav-side:hover .brand-text,.nav-side:hover .nav-link span,.nav-side:focus-within .brand-text,.nav-side:focus-within .nav-link span{display:inline}
  .nav-side:hover .side-contact,.nav-side:focus-within .side-contact{display:block}
  .nav-side:hover .side-foot .btn span,.nav-side:focus-within .side-foot .btn span{display:inline}
  .nav-side .brand{padding-left:6px;padding-right:6px}
  .nav-side .nav-link{justify-content:center}
  .nav-side:hover .nav-link,.nav-side:focus-within .nav-link{justify-content:flex-start}
  .nav-side .side-foot .btn{padding:12px 8px}
}
@media (max-width:991.98px){
  .topbar{display:flex}
  .nav-side{display:none}
  body{padding-top:60px}
  .section{padding:68px 0}
  .sec-head{margin-bottom:36px}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .next-grid{grid-template-columns:1fr}
  .cta-band .shell{padding-top:64px;padding-bottom:64px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  .shell{padding:0 18px}
  .stat-grid{grid-template-columns:1fr 1fr}
  .stat-item{border-bottom:1px solid var(--line)}
  .stat-item:nth-child(2n){border-right:none}
  .stat-item:nth-child(n+3){border-bottom:none}
  .stagger-row{grid-template-columns:1fr;gap:22px;padding:34px 0}
  .stagger-row.reverse .stagger-media{order:0}
  .strip{grid-template-columns:1fr;gap:14px;align-items:start}
  .strip img{aspect-ratio:16/9}
  .strip-more{padding-left:2px}
  .next-card{flex-direction:column;align-items:flex-start}
  .next-card img{width:100%;height:auto;flex:none;aspect-ratio:16/9}
  .hero-title{font-size:clamp(1.85rem,1.2rem+3.4vw,2.4rem)}
  .faq-q{font-size:16px;padding-right:38px}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr}
  .cta-band .shell{padding-top:56px;padding-bottom:56px}
  .signup-form{padding:20px}
  .hero-tag{font-size:13px;padding:7px 14px}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{transition:none !important;animation:none !important}
}

/* roulang page: category3 */
:root{
  --brand:#0E9F84;
  --brand-dark:#0B8570;
  --brand-soft:#E6F6F1;
  --accent:#D98A2B;
  --accent-soft:#FBF1E2;
  --ink-900:#0D0F10;
  --ink-700:#23272A;
  --ink-500:#5A6166;
  --ink-300:#9AA1A6;
  --line:#E3E1DC;
  --bg:#F7F6F3;
  --surface:#FFFFFF;
  --danger:#C2453A;
  --r-sm:8px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,15,16,.04);
  --sh-2:0 10px 28px -12px rgba(13,15,16,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-w:232px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-500);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{color:var(--ink-900);margin:0;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.shell{width:100%;max-width:1120px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-dark{background:var(--ink-900);color:#C9CFD1}
.section-dark h2,.section-dark h3{color:#fff}

.sec-head{margin-bottom:40px;max-width:760px}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);font-weight:700;margin-bottom:14px;
}
.sec-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.sec-head h2{font-size:clamp(1.6rem,1.1rem + 1.8vw,2.5rem);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.sec-head p{margin-top:14px;color:var(--ink-500);font-size:16px}

/* ---------- 侧栏导航 ---------- */
.nav-side{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--surface);border-right:1px solid var(--line);
  padding:28px 20px 24px;display:none;flex-direction:column;gap:26px;
  z-index:1040;overflow:hidden;
}
.brand{display:flex;align-items:center;gap:10px;padding:6px 6px 6px 8px}
.brand-mark{
  width:20px;height:20px;border-radius:6px;
  background:linear-gradient(135deg,var(--brand),#0B8570);
  flex:0 0 20px;position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:6px;border-radius:3px;background:rgba(255,255,255,.85);
}
.brand-text{
  font-size:16px;font-weight:800;color:var(--ink-900);line-height:1.25;
  letter-spacing:-.01em;white-space:nowrap;
}
.nav-list{display:flex;flex-direction:column;gap:4px;position:relative}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:var(--r-sm);
  color:var(--ink-700);font-size:15px;font-weight:600;white-space:nowrap;
  transition:background .16s var(--ease),color .16s var(--ease);
}
.nav-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--brand);border-radius:2px;
  transition:height .18s var(--ease);
}
.nav-link:hover{background:#F1EFEA;color:var(--ink-900)}
.nav-link:hover::before{height:18px}
.nav-link.active{background:var(--brand-soft);color:var(--ink-900);font-weight:700}
.nav-link.active::before{height:22px}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.side-contact{font-size:12px;line-height:1.7;color:var(--ink-300);white-space:nowrap}

/* ---------- 顶部移动导航 ---------- */
.topbar{
  position:sticky;top:0;z-index:1030;height:60px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 18px;background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.topbar .brand-text{font-size:15px}
.topbar-toggle{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;display:grid;place-items:center;color:var(--ink-900);
  transition:border-color .16s var(--ease),background .16s var(--ease);
}
.topbar-toggle:hover{border-color:var(--brand);background:var(--brand-soft)}
.offcanvas{width:300px !important;background:var(--surface)}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.offcanvas-body{padding:18px 20px 28px;display:flex;flex-direction:column;gap:24px}
.offcanvas .nav-link{font-size:17px;padding:14px}
.offcanvas .side-foot{margin-top:auto}

/* ---------- 按钮 ---------- */
.btn{
  border-radius:var(--r-pill);font-weight:700;border:1px solid transparent;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  transition:background .15s ease-out,color .15s ease-out,border-color .15s ease-out,transform .15s ease-out,box-shadow .15s ease-out;
}
.btn:focus-visible{outline:3px solid rgba(14,159,132,.35);outline-offset:2px;box-shadow:none}
.btn-brand{background:var(--brand);color:#fff;padding:12px 26px;font-size:15px}
.btn-brand:hover{background:var(--brand-dark);color:#fff}
.btn-brand:hover .ico{transform:translateX(4px)}
.btn-brand:active{transform:translateY(1px)}
.btn-accent{background:var(--accent);color:#231a0c;padding:12px 26px;font-size:15px}
.btn-accent:hover{background:#C67B21;color:#1c1408}
.btn-accent:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--ink-900);border-color:var(--line);padding:11px 24px;font-size:15px}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft)}
.btn-ghost:active{transform:translateY(1px)}
.btn-block{width:100%}
.ico{transition:transform .15s ease-out;font-size:13px}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500)}
.crumb a{color:var(--ink-500);border-bottom:1px solid transparent;transition:color .16s var(--ease),border-color .16s var(--ease)}
.crumb a:hover{color:var(--brand-dark);border-color:var(--brand-dark)}
.crumb .sep{color:var(--ink-300)}
.crumb .now{color:var(--ink-900);font-weight:600}

/* ---------- Hero ---------- */
.hero{padding:36px 0 72px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;margin-top:26px}
.hero h1{
  font-size:clamp(2.05rem,1.3rem + 3vw,3.4rem);
  line-height:1.14;font-weight:800;letter-spacing:-.02em;margin:18px 0 20px;
}
.hero h1 .thin{font-weight:400;color:var(--ink-300)}
.hero-lead{font-size:17px;color:var(--ink-500);max-width:560px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 30px}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);
  font-size:13px;color:var(--ink-700);font-weight:600;
}
.tag i{color:var(--brand);font-size:12px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-media{position:relative}
.hero-media .frame{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--sh-2);
}
.hero-media .frame img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-media .floating{
  position:absolute;left:-18px;bottom:-20px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 18px;box-shadow:var(--sh-2);min-width:200px;
}
.hero-media .floating .k{font-size:12px;color:var(--ink-300);letter-spacing:.06em}
.hero-media .floating .v{font-size:20px;font-weight:800;color:var(--ink-900)}

/* ---------- 数据条 ---------- */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:30px 26px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat .v{font-size:clamp(1.5rem,1.1rem + 1vw,2rem);font-weight:800;color:var(--ink-900);letter-spacing:-.01em}
.stat .k{font-size:13px;color:var(--ink-500);margin-top:6px}

/* ---------- 参数要点卡 ---------- */
.param-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.param-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px 26px;position:relative;
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),border-color .16s var(--ease);
}
.param-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BEE7DD}
.param-card .idx{
  font-size:44px;font-weight:300;color:var(--ink-300);line-height:1;
  letter-spacing:-.03em;margin-bottom:16px;
}
.param-card h3{font-size:1.15rem;font-weight:700;margin-bottom:10px}
.param-card p{font-size:15px;color:var(--ink-500)}
.param-card .hint{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--ink-300);
}
.param-card .hint strong{color:var(--brand-dark);font-weight:700}

/* ---------- 对比表 ---------- */
.table-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;
}
.rules-table{width:100%;border-collapse:collapse;margin:0}
.rules-table thead th{
  background:var(--brand-soft);color:var(--ink-900);
  font-size:14px;font-weight:700;text-align:left;
  padding:16px 22px;border-bottom:1px solid #CFE9E2;
  white-space:nowrap;
}
.rules-table tbody td{
  padding:18px 22px;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink-500);vertical-align:top;
}
.rules-table tbody tr:last-child td{border-bottom:0}
.rules-table tbody tr:hover td{background:#FAFAF8}
.rules-table td:first-child{color:var(--ink-900);font-weight:700}
.rules-table .cell-tag{
  display:inline-block;padding:3px 10px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:#8A5514;font-size:12px;font-weight:700;
}
.table-note{margin-top:14px;font-size:13px;color:var(--ink-300)}

/* ---------- FAQ ---------- */
.faq-acc{max-width:900px}
.faq-acc .accordion-item{
  background:transparent;border:0;border-top:1px solid var(--line);border-radius:0;
}
.faq-acc .accordion-item:last-child{border-bottom:1px solid var(--line)}
.faq-acc .accordion-button{
  background:transparent;border:0;box-shadow:none;
  padding:26px 48px 26px 26px;font-size:17px;font-weight:700;color:var(--ink-900);
  line-height:1.55;position:relative;border-radius:0;
}
.faq-acc .accordion-button::before{
  content:"";position:absolute;left:0;top:34px;width:8px;height:8px;border-radius:50%;
  background:var(--brand);
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-dark);background:rgba(230,246,241,.5)}
.faq-acc .accordion-button:focus{box-shadow:none;outline:3px solid rgba(14,159,132,.3);outline-offset:-3px}
.faq-acc .accordion-button::after{
  background-image:none;
  content:"\002B";font-family:inherit;font-size:22px;font-weight:400;color:var(--ink-300);
  width:auto;height:auto;transform:none;transition:transform .2s var(--ease),color .2s var(--ease);
  position:absolute;right:22px;top:50%;margin:0;line-height:1;
  transform:translateY(-50%);
}
.faq-acc .accordion-button:not(.collapsed)::after{
  content:"\2212";color:var(--brand-dark);transform:translateY(-50%) rotate(180deg);
}
.faq-acc .accordion-body{
  padding:0 48px 30px 26px;font-size:16px;line-height:1.9;color:var(--ink-500);
  background:rgba(230,246,241,.5);
}

/* ---------- 提醒清单 ---------- */
.check-list{display:grid;gap:12px;max-width:920px}
.check-item{
  display:flex;align-items:flex-start;gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 24px;transition:border-color .16s var(--ease),transform .16s var(--ease);
}
.check-item:hover{border-color:#BEE7DD;transform:translateX(4px)}
.check-item .mark{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-dark);
  display:grid;place-items:center;font-size:13px;margin-top:3px;
}
.check-item.warn .mark{background:var(--accent-soft);color:#8A5514}
.check-item h3{font-size:16px;font-weight:700;margin-bottom:4px}
.check-item p{font-size:15px;color:var(--ink-500)}

/* ---------- CTA 深色带 ---------- */
.cta-band{
  position:relative;background:var(--ink-900);color:#C9CFD1;
  border-radius:var(--r-lg);overflow:hidden;
}
.cta-band .bg{
  position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(13,15,16,.94) 0%,rgba(13,15,16,.78) 55%,rgba(13,15,16,.5) 100%),
    url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.cta-band .inner{position:relative;padding:56px 52px;display:grid;grid-template-columns:1fr .9fr;gap:48px;align-items:center}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,1.1rem + 1.4vw,2.1rem);line-height:1.28;margin-bottom:14px}
.cta-band p{font-size:15px;color:#C9CFD1;max-width:420px}
.cta-band .cta-meta{margin-top:22px;display:flex;flex-wrap:wrap;gap:22px;font-size:13px;color:#9AA1A6}
.cta-band .cta-meta strong{color:#fff;font-weight:700}
.form-card{
  background:rgba(255,255,255,.97);border-radius:var(--r-md);padding:28px 26px;
  box-shadow:var(--sh-2);
}
.form-card h3{font-size:16px;color:var(--ink-900);margin-bottom:18px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink-700);margin-bottom:8px}
.field .control{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 14px;font-size:15px;background:#fff;color:var(--ink-900);
  transition:border-color .15s var(--ease),box-shadow .15s var(--ease);
}
.field .control::placeholder{color:var(--ink-300)}
.field .control:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,159,132,.16);
}
.field.error .control{border-color:var(--danger);box-shadow:0 0 0 3px rgba(194,69,58,.12)}
.field .tip{font-size:12px;color:var(--danger);margin-top:6px;display:none}
.field.error .tip{display:block}
select.control{appearance:none;background-image:none}
.form-privacy{font-size:12px;color:var(--ink-300);margin-top:14px;line-height:1.7}

/* ---------- 继续了解 ---------- */
.more-grid{display:grid;gap:16px}
.more-card{
  display:grid;grid-template-columns:220px 1fr auto;gap:24px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px;transition:transform .16s var(--ease),box-shadow .16s var(--ease),border-color .16s var(--ease);
}
.more-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BEE7DD}
.more-card .thumb{border-radius:var(--r-sm);overflow:hidden}
.more-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.more-card h3{font-size:17px;font-weight:700;margin-bottom:6px}
.more-card p{font-size:14px;color:var(--ink-500)}
.more-card .go{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;
  color:var(--brand-dark);white-space:nowrap;padding-right:8px;
}
.more-card:hover .go .ico{transform:translateX(4px)}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-900);color:#C9CFD1;padding:72px 0 28px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer p{font-size:14px;line-height:1.85;color:#C9CFD1;max-width:280px;margin-top:14px}
.footer-brand-line{display:flex;align-items:center;gap:10px}
.footer-brand-line .brand-text{color:#fff;font-size:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#C9CFD1;border-bottom:1px solid transparent;transition:color .16s var(--ease),border-color .16s var(--ease);width:fit-content}
.footer-links a:hover{color:var(--brand);border-color:var(--brand)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#9AA1A6;
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (min-width:992px){
  .nav-side{display:flex}
  body{padding-left:84px}
  @media (min-width:1200px){
    body{padding-left:var(--nav-w)}
  }
}
@media (min-width:992px) and (max-width:1199px){
  .nav-side{width:84px;padding-left:16px;padding-right:16px;transition:width .2s var(--ease),box-shadow .2s var(--ease)}
  .nav-side:hover,.nav-side:focus-within{width:var(--nav-w);padding-left:20px;padding-right:20px;box-shadow:var(--sh-2)}
  .brand-text,.nav-link span,.side-contact{white-space:nowrap}
}
@media (max-width:1199.98px){
  .hero-grid{gap:40px}
}
@media (max-width:991.98px){
  body{padding-left:0}
  .nav-side{display:none}
  .section{padding:72px 0}
  .hero{padding:26px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media .floating{left:16px;bottom:-16px}
  .cta-band .inner{grid-template-columns:1fr;padding:44px 32px;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .shell{padding:0 18px}
  .section{padding:56px 0}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat{border-left:0;padding:22px 0;border-top:1px solid var(--line)}
  .stat:nth-child(odd){padding-right:16px}
  .stat:nth-child(1),.stat:nth-child(2){border-top:0}
  .stat:nth-child(even){border-left:1px solid var(--line);padding-left:18px}
  .param-grid{grid-template-columns:1fr}
  .param-card{padding:24px 20px}
  .param-card .idx{font-size:34px;margin-bottom:10px}
  .more-card{grid-template-columns:1fr;gap:16px;padding:16px}
  .more-card .thumb img{aspect-ratio:16/9}
  .more-card .go{padding-right:0}
  .faq-acc .accordion-button{font-size:16px;padding:22px 42px 22px 20px}
  .faq-acc .accordion-button::before{top:29px}
  .faq-acc .accordion-body{padding:0 24px 24px 20px}
  .check-item{padding:18px 18px}
  .footer{padding:56px 0 24px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:575.98px){
  .rules-table thead{display:none}
  .table-wrap{background:transparent;border:0;border-radius:0}
  .rules-table tbody tr{
    display:block;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-md);padding:6px 16px;margin-bottom:14px;
  }
  .rules-table tbody td{
    display:flex;justify-content:space-between;gap:18px;
    padding:12px 0;border-bottom:1px dashed var(--line);font-size:14px;
  }
  .rules-table tbody tr td:last-child{border-bottom:0}
  .rules-table tbody td::before{
    content:attr(data-th);color:var(--ink-300);font-size:13px;font-weight:700;flex:0 0 auto;
  }
  .rules-table td:first-child{font-weight:700}
  .hero-media .floating{position:static;margin-top:16px;left:auto;bottom:auto}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --brand:#0E9F84;
  --brand-d:#0B8570;
  --brand-l:#E6F6F1;
  --accent:#D98A2B;
  --ink-900:#0D0F10;
  --ink-700:#23272A;
  --ink-500:#5A6166;
  --ink-300:#9AA1A6;
  --line:#E3E1DC;
  --bg:#F7F6F3;
  --card:#FFFFFF;
  --danger:#C2453A;
  --r-sm:8px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,15,16,.04);
  --sh-2:0 10px 28px -12px rgba(13,15,16,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-w:232px;
  --font-cn:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-500);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink-700);text-decoration:none;transition:color .16s var(--ease);}
a:hover{color:var(--brand);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(14,159,132,.35);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.shell{width:100%;max-width:1120px;margin:0 auto;padding:0 24px;}

/* ---------- 左侧导航 ---------- */
.nav-side{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:28px;
  padding:26px 18px 22px;z-index:1035;
  overflow-x:hidden;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;padding:4px 6px 18px;border-bottom:1px solid var(--line);white-space:nowrap;}
.brand-mark{
  width:20px;height:20px;flex:0 0 20px;border-radius:6px;
  background:linear-gradient(140deg,var(--brand),#12b898);
  box-shadow:0 4px 10px -4px rgba(14,159,132,.7);
}
.brand-text{font-weight:800;font-size:16px;color:var(--ink-900);letter-spacing:-.01em;}
.nav-list{display:flex;flex-direction:column;gap:4px;}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 12px 11px 14px;border-radius:var(--r-sm);
  font-size:15px;color:var(--ink-500);white-space:nowrap;
  transition:background .16s var(--ease),color .16s var(--ease);
}
.nav-link::before{
  content:"";width:8px;height:8px;flex:0 0 8px;border-radius:50%;
  background:var(--line);transition:background .16s var(--ease);
}
.nav-link:hover{background:#F2F1EE;color:var(--ink-900);}
.nav-link:hover::before{background:var(--ink-300);}
.nav-link.active{background:var(--brand-l);color:var(--ink-900);font-weight:600;}
.nav-link.active::before{background:var(--brand);}
.nav-link.active::after{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;
  border-radius:2px;background:var(--brand);
}
.side-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);white-space:nowrap;}
.side-contact{margin:12px 0 0;font-size:12.5px;line-height:1.7;color:var(--ink-300);}

/* ---------- 顶部移动导航 ---------- */
.topbar{
  position:sticky;top:0;z-index:1040;height:60px;
  display:none;align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.topbar .brand{padding:0;border:0;}
.topbar .brand-text{font-size:15px;}
.burger{
  width:42px;height:42px;border:1px solid var(--line);border-radius:12px;
  background:#fff;display:grid;place-items:center;gap:4px;padding:0;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-700);}
.offcanvas{background:#fff;}
.offcanvas-header{border-bottom:1px solid var(--line);padding:16px 18px;}
.offcanvas-body{padding:18px;display:flex;flex-direction:column;gap:6px;}
.offcanvas .nav-link{font-size:17px;padding:14px 12px;}
.offcanvas .btn{margin-top:18px;}

/* ---------- 主体 ---------- */
.app-main{margin-left:var(--nav-w);}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);}
h2.section-title{
  font-size:clamp(1.6rem,1.1rem + 1.8vw,2.5rem);
  line-height:1.25;font-weight:700;letter-spacing:-.015em;margin-bottom:14px;
}
h3{font-size:1.375rem;font-weight:600;line-height:1.4;}
.section-sub{max-width:660px;color:var(--ink-500);font-size:16.5px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.seq{font-size:56px;line-height:1;font-weight:200;color:var(--ink-300);letter-spacing:-.04em;display:block;margin-bottom:6px;}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-300);padding:22px 0 0;}
.crumb a{color:rgba(255,255,255,.72);}
.crumb a:hover{color:#fff;}
.crumb .sep{opacity:.5;}
.crumb .cur{color:#fff;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(13,15,16,.9) 0%,rgba(13,15,16,.72) 55%,rgba(13,15,16,.88) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-radius:0 0 var(--r-lg) var(--r-lg);
}
.page-hero .shell{padding-bottom:56px;}
.page-hero h1{
  color:#fff;font-size:clamp(2rem,1.25rem + 3vw,3.5rem);
  font-weight:800;line-height:1.14;letter-spacing:-.02em;
  margin:26px 0 16px;max-width:15em;
}
.page-hero .lede{max-width:660px;color:rgba(255,255,255,.82);font-size:17px;line-height:1.85;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.hero-badge{
  display:flex;flex-direction:column;gap:2px;
  padding:12px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(6px);
}
.hero-badge b{font-size:20px;font-weight:700;color:#fff;line-height:1.2;}
.hero-badge span{font-size:12.5px;color:rgba(255,255,255,.62);}

/* ---------- 按钮 ---------- */
.btn{
  --bs-btn-focus-box-shadow:none;
  display:inline-flex;align-items:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;
  padding:12px 24px;border:1px solid transparent;line-height:1.3;
  transition:background .15s var(--ease),color .15s var(--ease),transform .15s var(--ease),box-shadow .15s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn .arw{transition:transform .15s var(--ease);}
.btn:hover .arw{transform:translateX(4px);}
.btn-brand{background:var(--brand);color:#fff;}
.btn-brand:hover{background:var(--brand-d);color:#fff;box-shadow:var(--sh-2);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#c47a22;color:#fff;box-shadow:var(--sh-2);}
.btn-ghost{border-color:rgba(255,255,255,.42);color:#fff;background:transparent;}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7);}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink-700);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);background:#fff;}
.btn-block{display:flex;justify-content:center;width:100%;}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:#fff;border-radius:var(--r-md);overflow:hidden;
}
.stat{padding:26px 22px;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat b{display:block;font-size:clamp(1.6rem,1.2rem + 1vw,2.1rem);font-weight:700;color:var(--ink-900);line-height:1.1;}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--ink-300);}

/* ---------- 横向长卡 ---------- */
.rowcards{display:flex;flex-direction:column;gap:18px;}
.rowcard{
  display:grid;grid-template-columns:220px minmax(0,1fr);gap:24px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px;box-shadow:var(--sh-1);
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),border-color .16s var(--ease);
}
.rowcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BFE6DC;}
.rowcard .thumb{aspect-ratio:16/9;border-radius:var(--r-sm);overflow:hidden;background:#EFEEEA;}
.rowcard .thumb img{width:100%;height:100%;object-fit:cover;}
.rowcard h3{margin-bottom:8px;}
.rowcard p{margin:0;font-size:15px;color:var(--ink-500);}

/* ---------- 流程时间线 ---------- */
.flow-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:44px;}
.tl{position:relative;}
.tl-item{display:flex;gap:20px;padding-bottom:36px;position:relative;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:117px;top:22px;bottom:0;width:1px;background:var(--line);
}
.tl-item:last-child::before{display:none;}
.tl-time{
  flex:0 0 88px;text-align:right;font-size:15px;font-weight:600;
  color:var(--ink-900);font-variant-numeric:tabular-nums;padding-top:2px;
}
.tl-node{
  flex:0 0 12px;width:12px;height:12px;margin-top:8px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 4px var(--brand-l);position:relative;z-index:1;
}
.tl-item.is-now .tl-node{background:var(--accent);box-shadow:0 0 0 4px #FBF0DF;}
.tl-body{flex:1 1 auto;min-width:0;}
.tl-body h3{margin-bottom:8px;}
.tl-body p{font-size:15.5px;margin-bottom:10px;}
.chips{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;align-items:center;font-size:12.5px;font-weight:600;
  padding:4px 12px;border-radius:var(--r-pill);background:var(--brand-l);color:var(--brand-d);
}
.chip.chip-accent{background:#FBF0DF;color:#A5661A;}
.chip.chip-ghost{background:#F2F1EE;color:var(--ink-500);}

/* ---------- 粘性目录 ---------- */
.toc{display:none;}
.toc-inner{position:sticky;top:32px;border-left:2px solid var(--line);padding-left:18px;}
.toc h4{font-size:13px;letter-spacing:.08em;color:var(--ink-300);font-weight:600;margin-bottom:14px;}
.toc a{display:block;font-size:14px;color:var(--ink-500);padding:6px 0;position:relative;}
.toc a:hover{color:var(--brand);}
.toc a.active{color:var(--brand-d);font-weight:600;}

/* ---------- 权益 / 人群网格 ---------- */
.grid-offset{display:grid;gap:20px;grid-template-columns:1.35fr 1fr;}
.benefit{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),border-color .16s var(--ease);
}
.benefit:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BFE6DC;}
.benefit .ph{aspect-ratio:16/9;overflow:hidden;background:#EFEEEA;}
.benefit .ph img{width:100%;height:100%;object-fit:cover;}
.benefit .bd{padding:24px 26px 26px;}
.benefit h3{margin-bottom:10px;}
.benefit p{font-size:15px;margin:0;}
.benefit-lg{grid-row:span 2;}
.benefit-lg .ph{aspect-ratio:auto;flex:1 1 auto;min-height:230px;}
.benefit-lg .ph img{height:100%;}

/* ---------- 参数列表 ---------- */
.kvlist{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;}
.kv{display:grid;grid-template-columns:200px minmax(0,1fr);gap:20px;padding:18px 26px;border-bottom:1px solid var(--line);}
.kv:last-child{border-bottom:0;}
.kv dt{font-size:14px;color:var(--ink-300);font-weight:600;}
.kv dd{margin:0;font-size:15.5px;color:var(--ink-700);}

/* ---------- 报名 CTA ---------- */
.signup{
  position:relative;color:#fff;border-radius:var(--r-lg);overflow:hidden;
  background-image:linear-gradient(110deg,rgba(13,15,16,.94) 0%,rgba(13,15,16,.8) 60%,rgba(13,15,16,.9) 100%),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;padding:52px;
}
.signup-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:start;}
.signup h2{color:#fff;font-size:clamp(1.5rem,1.1rem + 1.4vw,2.1rem);line-height:1.3;margin-bottom:14px;}
.signup p{color:rgba(255,255,255,.74);font-size:15.5px;margin-bottom:18px;}
.signup-points{display:flex;flex-direction:column;gap:10px;margin:0;}
.signup-points li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.78);}
.signup-points li::before{content:"";flex:0 0 6px;width:6px;height:6px;margin-top:10px;border-radius:50%;background:var(--accent);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13px;color:rgba(255,255,255,.66);font-weight:600;}
.form-control,.form-select{
  height:48px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.07);color:#fff;font-size:15px;padding:0 14px;
  box-shadow:none;transition:border-color .16s var(--ease),background .16s var(--ease);
}
.form-control::placeholder{color:rgba(255,255,255,.4);}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);background:rgba(255,255,255,.12);color:#fff;box-shadow:none;
}
.form-select option{color:var(--ink-900);}
.field.is-error .form-control,.field.is-error .form-select{border-color:var(--danger);}
.field .hint{font-size:12px;color:rgba(255,255,255,.45);}
.field.is-error .hint{color:#F0A9A2;}
.form-note{font-size:12px;color:rgba(255,255,255,.45);margin:14px 0 0;line-height:1.7;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.faq .accordion-button{
  background:transparent;box-shadow:none;padding:24px 44px 24px 0;
  font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.6;
}
.faq .accordion-button:not(.collapsed){color:var(--brand-d);background:transparent;box-shadow:none;}
.faq .accordion-button:focus{box-shadow:none;}
.faq .accordion-button::after{
  content:"";width:11px;height:11px;background-image:none;
  border-right:2px solid var(--ink-300);border-bottom:2px solid var(--ink-300);
  transform:rotate(45deg);transition:transform .2s var(--ease),border-color .2s var(--ease);
  margin-left:auto;position:absolute;right:10px;
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--brand);}
.faq .accordion-button::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);
  margin-right:14px;flex:0 0 6px;
}
.faq .accordion-body{padding:0 44px 26px 20px;color:var(--ink-500);font-size:15.5px;line-height:1.9;}

/* ---------- 继续了解 ---------- */
.more-links{display:flex;flex-direction:column;gap:16px;}
.more-link{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 28px;box-shadow:var(--sh-1);
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),border-color .16s var(--ease);
}
.more-link:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BFE6DC;}
.more-link h3{font-size:18px;margin-bottom:6px;}
.more-link p{margin:0;font-size:14.5px;color:var(--ink-500);}
.more-link .go{flex:0 0 auto;font-size:22px;color:var(--brand);}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-900);color:#C9CFD1;margin-top:96px;}
.footer .shell{padding-top:64px;padding-bottom:28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand-line{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand-line .brand-text{color:#fff;font-size:16.5px;font-weight:800;}
.footer p{font-size:14.5px;line-height:1.8;color:#8E9699;margin:0;max-width:32ch;}
.footer h4{font-size:13px;letter-spacing:.08em;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a,.footer-links span{font-size:14.5px;color:#9AA1A6;transition:color .16s var(--ease);}
.footer-links a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#7C8487;
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (min-width:1200px){
  .flow-wrap{grid-template-columns:minmax(0,1fr) 210px;}
  .toc{display:block;}
}
@media (max-width:1199.98px) and (min-width:992px){
  :root{--nav-w:84px;}
  .nav-side{padding-left:14px;padding-right:14px;overflow:hidden;transition:width .18s var(--ease),box-shadow .18s var(--ease);}
  .nav-side:hover,.nav-side:focus-within{width:232px;box-shadow:var(--sh-2);}
  .app-main{margin-left:84px;}
}
@media (max-width:991.98px){
  .nav-side{display:none;}
  .topbar{display:flex;}
  .app-main{margin-left:0;}
  .section{padding:72px 0;}
  .signup{padding:36px 26px;}
  .signup-grid{grid-template-columns:1fr;gap:32px;}
  .footer{margin-top:72px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .shell{padding:0 18px;}
  .section{padding:60px 0;}
  .page-hero .shell{padding-bottom:44px;}
  .page-hero h1{margin-top:20px;}
  .stats{grid-template-columns:1fr 1fr;}
  .stat{border-bottom:1px solid var(--line);}
  .stat:nth-child(2n){border-right:0;}
  .stat:nth-child(n+3){border-bottom:0;}
  .grid-offset{grid-template-columns:1fr;}
  .benefit-lg{grid-row:auto;}
  .benefit-lg .ph{min-height:0;aspect-ratio:16/9;}
  .rowcard{grid-template-columns:1fr;gap:16px;}
  .rowcard .thumb{aspect-ratio:16/9;}
  .kv{grid-template-columns:1fr;gap:6px;padding:16px 20px;}
  .faq .accordion-body{padding-right:20px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:575.98px){
  body{font-size:16px;}
  .form-grid{grid-template-columns:1fr;}
  .tl-time{flex:0 0 62px;font-size:13.5px;}
  .tl-item{gap:14px;}
  .tl-item::before{left:83px;}
  .hero-badge{flex:1 1 calc(50% - 5px);}
  .signup{padding:28px 20px;}
  .more-link{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
}