/* roulang page: index */
:root{
  --ink:#12211f;
  --ink-2:#3c4f4b;
  --ink-3:#6d7f7a;
  --line:#dde4e0;
  --line-2:#eef2ef;
  --bg:#f7f7f3;
  --surface:#ffffff;
  --brand:#0d5c63;
  --brand-deep:#082f33;
  --brand-soft:#e6f0ef;
  --accent:#c96a20;
  --accent-soft:#fbeee2;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:9px;
  --shadow-sm:0 1px 2px rgba(16,35,33,.05),0 6px 18px rgba(16,35,33,.06);
  --shadow-md:0 16px 42px rgba(16,35,33,.13);
  --container:1160px;
  --ease:cubic-bezier(.4,.1,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.01em;word-break:normal;overflow-wrap:break-word}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:74px 0;scroll-margin-top:80px}
.section--tint{background:#fff}
.section--soft{background:#f2f4f0}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--brand);font-weight:600;margin-bottom:12px}
.sec-title{font-size:clamp(22px,2.5vw,31px);color:var(--ink)}
.sec-desc{margin-top:12px;font-size:15px;color:var(--ink-3);line-height:1.85}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .22s var(--ease),background .22s,box-shadow .22s,color .22s;text-align:center;min-width:0}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.btn--primary{background:#f0a35c;color:#231406;box-shadow:0 10px 26px rgba(240,163,92,.28)}
.btn--primary:hover{background:#f6b374;transform:translateY(-2px)}
.btn--ghost{border-color:rgba(255,255,255,.34);color:#e8f2f1;background:transparent}
.btn--ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn--solid{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(13,92,99,.22)}
.btn--solid:hover{background:#0a4a50;transform:translateY(-2px)}
.btn--outline{border-color:var(--line);background:#fff;color:var(--ink-2)}
.btn--outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.topbar{background:var(--brand-deep);color:#b9d3d0;font-size:13px}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.topbar__note{margin:0;letter-spacing:.02em}
.topbar__link{color:#e7f3f1;border-bottom:1px solid rgba(231,243,241,.4);padding-bottom:1px;transition:color .2s}
.topbar__link:hover{color:#fff}
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header__inner{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand__mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(140deg,#0d5c63,#128186);color:#fff;font-weight:700;font-size:17px}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__text strong{font-size:18px;letter-spacing:.02em}
.brand__text small{font-size:11.5px;color:var(--ink-3);letter-spacing:.16em;margin-top:2px}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.site-nav__link{padding:8px 15px;border-radius:999px;font-size:15px;color:var(--ink-2);transition:background .2s,color .2s}
.site-nav__link:hover{background:var(--brand-soft);color:var(--brand)}
.site-nav__link.is-active{color:var(--brand);background:var(--brand-soft);font-weight:600}
.site-nav__link:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn--nav{margin-left:10px;background:var(--accent);color:#fff;padding:9px 20px;border-radius:999px;font-size:14.5px;font-weight:600;transition:background .2s,transform .2s}
.btn--nav:hover{background:#b25c17;transform:translateY(-1px)}
.btn--nav:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.nav-toggle{display:none}
.hero{position:relative;overflow:hidden;padding:66px 0 84px;color:#e8f2f1;background:radial-gradient(120% 140% at 12% 0%,#10565d 0%,#0a3a40 44%,#07262a 100%)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);background-size:54px 54px;mask-image:radial-gradient(82% 62% at 50% 0%,#000 30%,transparent 100%);-webkit-mask-image:radial-gradient(82% 62% at 50% 0%,#000 30%,transparent 100%);pointer-events:none}
.hero__inner{position:relative;z-index:1}
.hero__eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);font-size:13px;letter-spacing:.06em;color:#c8e6e3}
.hero h1{margin-top:20px;font-size:clamp(27px,3.5vw,43px);line-height:1.32;max-width:920px}
.hero__lead{margin-top:18px;max-width:770px;font-size:16.5px;line-height:1.9;color:#c2d9d7}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero__note{margin-top:16px;font-size:13px;color:#8fb3b0}
.demo{margin-top:46px;padding:16px;border-radius:var(--radius-lg);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16)}
.demo__window{background:#fff;border-radius:14px;overflow:hidden;color:var(--ink);box-shadow:0 26px 60px rgba(0,0,0,.34)}
.demo__bar{display:flex;align-items:center;gap:12px;padding:11px 16px;background:#f6f8f6;border-bottom:1px solid var(--line)}
.demo__dots{display:flex;gap:6px;flex-shrink:0}
.demo__dots span{width:9px;height:9px;border-radius:50%;background:#d3dbd5}
.demo__url{flex:1;min-width:0;font-size:12.5px;color:var(--ink-3);background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.demo__body{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr)}
.demo__form{padding:22px;border-right:1px solid var(--line-2);min-width:0}
.demo__result{padding:22px;background:#fbfcfb;min-width:0}
.demo__label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.field{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fbfcfb;font-size:14.5px;color:var(--ink-2)}
.field:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(13,92,99,.12)}
.dim-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.dim{display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:5px 12px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2)}
.dim.is-on{border-color:rgba(13,92,99,.35);background:var(--brand-soft);color:var(--brand);font-weight:600}
.demo__hint{margin-top:16px;font-size:12.5px;color:var(--ink-3);line-height:1.7}
.demo__result-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.demo__result-title{font-size:14px;font-weight:600;color:var(--ink)}
.tag-mark{font-size:11.5px;padding:3px 10px;border-radius:999px;background:var(--accent-soft);color:#a2540f;border:1px solid #f0d5bb;white-space:nowrap;flex-shrink:0}
.result-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border:1px solid var(--line-2);border-radius:var(--radius-sm);background:#fff;margin-bottom:10px}
.result-row:last-child{margin-bottom:0}
.result-row__name{font-size:14px;color:var(--ink);font-weight:600}
.result-row__meta{font-size:12px;color:var(--ink-3);margin-top:2px}
.badge{font-size:12px;padding:3px 10px;border-radius:999px;background:var(--accent-soft);color:#a2540f;border:1px solid #f0d5bb;white-space:nowrap;flex-shrink:0}
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.dl-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);min-width:0;transition:transform .22s var(--ease),box-shadow .22s,border-color .22s}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe0de}
.dl-card__icon{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;margin-bottom:16px}
.dl-card h3{font-size:17.5px;margin-bottom:8px}
.dl-card p{font-size:14.5px;color:var(--ink-3);line-height:1.8;margin-bottom:20px}
.dl-card .btn{margin-top:auto;width:100%}
.kpi{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.kpi__item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow-sm);min-width:0}
.kpi__num{font-size:32px;font-weight:700;color:var(--brand);line-height:1.1;letter-spacing:-.01em}
.kpi__num small{font-size:14px;font-weight:600;margin-left:4px;color:var(--ink-3)}
.kpi__label{margin-top:8px;font-size:14px;color:var(--ink-3);line-height:1.7}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);min-width:0;transition:transform .22s var(--ease),box-shadow .22s,border-color .22s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe0de}
.card__icon{width:42px;height:42px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:700;font-size:15px;margin-bottom:16px}
.card h3{font-size:17.5px;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--ink-3);line-height:1.8}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-width:0;box-shadow:var(--shadow-sm)}
.step__no{width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;margin-bottom:14px}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-3);line-height:1.78}
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.compare__col{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;min-width:0}
.compare__col--good{background:linear-gradient(150deg,#0d5c63,#0a4046);border-color:transparent;color:#e8f2f1;box-shadow:0 18px 40px rgba(10,60,66,.24)}
.compare__col h3{font-size:17px;margin-bottom:16px}
.compare__col--good h3{color:#fff}
.compare__list li{position:relative;padding-left:22px;font-size:14.5px;line-height:1.85;margin-bottom:12px;color:var(--ink-2)}
.compare__list li:last-child{margin-bottom:0}
.compare__list li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;background:#c2cfcb}
.compare__col--good .compare__list li{color:#cfe5e2}
.compare__col--good .compare__list li::before{background:#f0a35c}
.band{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:38px;align-items:center}
.band + .band{margin-top:44px}
.band__body h3{font-size:20px;margin-bottom:12px}
.band__body p{font-size:15px;color:var(--ink-3);line-height:1.9}
.panel-visual{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-sm)}
.panel-visual__head{font-size:13px;letter-spacing:.1em;color:var(--ink-3);margin-bottom:12px}
.vrow{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line-2);font-size:14px;color:var(--ink-2)}
.vrow:last-child{border-bottom:0}
.vrow span:first-child{min-width:0}
.vrow em{font-style:normal;font-size:12px;color:var(--brand);background:var(--brand-soft);padding:2px 9px;border-radius:999px;flex-shrink:0}
.timeline{position:relative;padding-left:30px;max-width:820px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:10px;width:2px;background:linear-gradient(#0d5c63,#bfe0dd)}
.timeline__item{position:relative;padding-bottom:28px}
.timeline__item:last-child{padding-bottom:0}
.timeline__item::before{content:"";position:absolute;left:-30px;top:6px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--brand)}
.timeline__item h3{font-size:16.5px;margin-bottom:6px}
.timeline__item p{font-size:14.5px;color:var(--ink-3);line-height:1.8}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{padding:8px 17px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:14px;color:var(--ink-2);transition:border-color .2s,color .2s,background .2s}
.chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;min-width:0;box-shadow:var(--shadow-sm);transition:transform .22s var(--ease),box-shadow .22s,border-color .22s}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe0de}
.post-card__title{font-size:16.5px;font-weight:600;line-height:1.55;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s}
.post-card:hover .post-card__title{color:var(--brand)}
.post-card__desc{margin:0;font-size:14px;color:var(--ink-3);line-height:1.78;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:auto;padding-top:16px;font-size:12.5px;color:var(--ink-3)}
.more-wrap{margin-top:34px;text-align:center}
.empty-tip{grid-column:1/-1;padding:36px;text-align:center;color:var(--ink-3);font-size:14.5px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius)}
.trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.trust-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-width:0}
.trust-item h3{font-size:16px;margin-bottom:8px}
.trust-item p{font-size:14px;color:var(--ink-3);line-height:1.8}
.faq{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq__item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px}
.faq__q{font-size:16.5px;font-weight:600;color:var(--ink);margin-bottom:10px}
.faq__a{font-size:14.5px;color:var(--ink-3);line-height:1.88}
.cta{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:32px;align-items:center;background:linear-gradient(135deg,#0b4a50,#0a3236);color:#e8f2f1;border-radius:var(--radius-lg);padding:52px 44px}
.cta h2{font-size:clamp(21px,2.4vw,29px);color:#fff;margin-bottom:12px}
.cta p{font-size:15px;color:#bcd6d3;line-height:1.85}
.cta__actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.site-footer{background:#08272b;color:#a9c4c1;padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1fr);gap:36px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand__mark{background:linear-gradient(140deg,#128186,#0d5c63)}
.footer-brand strong{font-size:18px;color:#e8f2f1}
.footer-desc{font-size:14px;line-height:1.9;color:#8fadaa;max-width:420px}
.footer-col h2{font-size:14px;color:#dceceb;letter-spacing:.08em;margin-bottom:14px}
.footer-col ul li{margin-bottom:9px}
.footer-col ul li a{font-size:14px;color:#9dbab7;transition:color .2s}
.footer-col ul li a:hover{color:#fff}
.friend-links{margin-top:40px;padding-top:26px;border-top:1px solid rgba(255,255,255,.1)}
.friend-links h2{font-size:14px;color:#dceceb;letter-spacing:.08em;margin-bottom:14px}
.friend-links__list{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:13.5px;line-height:1.8}
.friend-links__list a{color:#9dbab7;transition:color .2s}
.friend-links__list a:hover{color:#fff;text-decoration:underline}
.copyright{margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:#7f9d9a}
@media(max-width:1024px){
  .kpi{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dl-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .trust-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .band{gap:28px}
}
@media(max-width:860px){
  .nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;margin-left:auto;padding:0 10px;border:1px solid var(--line);border-radius:11px;background:#fff;cursor:pointer}
  .nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink-2);transition:background .2s}
  .nav-toggle:hover span{background:var(--brand)}
  .site-nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:4px;margin-left:0;padding:14px 20px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(16,35,33,.1)}
  .site-header.is-open .site-nav{display:flex}
  .site-nav__link{padding:11px 14px;border-radius:10px}
  .btn--nav{margin-left:0;margin-top:6px;text-align:center}
  .demo__body{grid-template-columns:1fr}
  .demo__form{border-right:0;border-bottom:1px solid var(--line-2)}
  .band{grid-template-columns:1fr}
  .cta{grid-template-columns:1fr;padding:36px 26px}
  .cta__actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-desc{max-width:none}
}
@media(max-width:640px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .topbar__inner{min-height:34px;font-size:12px}
  .topbar__note{max-width:74%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .hero{padding:44px 0 60px}
  .hero__lead{font-size:15.5px}
  .hero__actions .btn{flex:1 1 100%}
  .kpi{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .kpi__item{padding:20px 16px}
  .kpi__num{font-size:26px}
  .grid-3,.grid-2,.steps,.compare,.dl-grid,.trust-grid,.post-grid{grid-template-columns:1fr}
  .demo{padding:10px}
  .demo__form,.demo__result{padding:18px}
  .card,.dl-card,.step,.trust-item{padding:22px}
  .compare__col{padding:22px}
  .cta{padding:32px 20px}
  .cta__actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .copyright{flex-direction:column;gap:6px}
  .faq__item{padding:18px 20px}
}
@media(max-width:380px){
  .kpi{grid-template-columns:1fr}
}

/* roulang page: article */
:root{
  --ink:#12211f;
  --ink-2:#3c4f4b;
  --ink-3:#6d7f7a;
  --line:#dde4e0;
  --line-2:#eef2ef;
  --bg:#f7f7f3;
  --surface:#ffffff;
  --brand:#0d5c63;
  --brand-deep:#082f33;
  --brand-soft:#e6f0ef;
  --accent:#c96a20;
  --accent-soft:#fbeee2;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:9px;
  --shadow-sm:0 1px 2px rgba(16,35,33,.05),0 6px 18px rgba(16,35,33,.06);
  --shadow-md:0 16px 42px rgba(16,35,33,.13);
  --container:1160px;
  --ease:cubic-bezier(.4,.1,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,dl,dd{margin:0}
ul,ol{margin:0;padding-left:1.2em}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:74px 0;scroll-margin-top:84px}
.section--tint{background:#fff}
.section--soft{background:#f2f4f0}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:var(--brand);text-transform:uppercase;font-weight:600}
.sec-title{font-size:clamp(22px,2.5vw,31px);line-height:1.35;color:var(--ink);margin-top:10px}
.sec-desc{margin-top:14px;color:var(--ink-2);font-size:15.5px;line-height:1.9}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .22s var(--ease),background .22s,box-shadow .22s,color .22s,border-color .22s;text-align:center;min-width:0}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.btn--primary{background:#f0a35c;color:#231406;box-shadow:0 10px 26px rgba(240,163,92,.28)}
.btn--primary:hover{background:#f6b374;transform:translateY(-2px)}
.btn--solid{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(13,92,99,.22)}
.btn--solid:hover{background:#0a4a50;transform:translateY(-2px)}
.btn--outline{border-color:var(--line);background:#fff;color:var(--ink-2)}
.btn--outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}

/* topbar */
.topbar{background:var(--brand-deep);color:#b9d3d0;font-size:13px}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.topbar__note{margin:0;letter-spacing:.02em}
.topbar__link{color:#e7f3f1;border-bottom:1px solid rgba(231,243,241,.4);padding-bottom:1px;transition:color .2s}
.topbar__link:hover{color:#fff}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header__inner{display:flex;align-items:center;gap:24px;min-height:72px;position:relative}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand__mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(140deg,#0d5c63,#128186);color:#fff;font-weight:700;font-size:17px}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__text strong{font-size:18px;letter-spacing:.02em}
.brand__text small{font-size:11.5px;color:var(--ink-3);letter-spacing:.16em;margin-top:2px}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.site-nav__link{padding:8px 15px;border-radius:999px;font-size:15px;color:var(--ink-2);transition:background .2s,color .2s}
.site-nav__link:hover{background:var(--brand-soft);color:var(--brand)}
.site-nav__link.is-active{color:var(--brand);background:var(--brand-soft);font-weight:600}
.site-nav__link:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn--nav{margin-left:10px;background:var(--accent);color:#fff;padding:9px 20px;border-radius:999px;font-size:14.5px;font-weight:600;transition:background .2s,transform .2s}
.btn--nav:hover{background:#b25c17;transform:translateY(-1px)}
.btn--nav:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;padding:0 10px;border:1px solid var(--line);border-radius:11px;background:#fff;cursor:pointer;transition:border-color .2s,box-shadow .2s;margin-left:auto}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink-2);transition:background .2s}
.nav-toggle:hover{border-color:var(--brand)}
.nav-toggle:hover span{background:var(--brand)}
.nav-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* article hero */
.article-hero{position:relative;overflow:hidden;color:#e8f2f1;background:radial-gradient(120% 150% at 8% 0%,#10565d 0%,#0a3a40 46%,#07262a 100%);padding:26px 0 52px}
.article-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:54px 54px;mask-image:radial-gradient(80% 70% at 40% 0%,#000 25%,transparent 100%);-webkit-mask-image:radial-gradient(80% 70% at 40% 0%,#000 25%,transparent 100%);pointer-events:none}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#9dc0bd}
.breadcrumb a{color:#c8e6e3;transition:color .2s}
.breadcrumb a:hover{color:#fff}
.breadcrumb__sep{opacity:.55}
.breadcrumb__current{color:#8fb3b0}
.article-head{margin-top:22px;max-width:860px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px}
.pill{display:inline-flex;align-items:center;padding:4px 13px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#d5ebe8;font-size:12.5px;letter-spacing:.04em}
.article-meta__date{color:#8fb3b0}
.article-head h1{margin-top:16px;font-size:clamp(24px,3.2vw,38px);line-height:1.36;color:#fff;letter-spacing:.01em}
.article-lead{margin-top:16px;font-size:15.5px;line-height:1.9;color:#bdd7d4}

/* article layout */
.article-section{padding:52px 0 74px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,320px);gap:34px;align-items:start}
.article-main{min-width:0}
.article-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:34px 36px}
.article-body{font-size:16.5px;line-height:1.95;color:var(--ink-2);min-width:0;overflow-wrap:break-word}
.article-body>*+*{margin-top:18px}
.article-body h2{font-size:clamp(20px,2.1vw,25px);line-height:1.5;color:var(--ink);margin-top:34px;padding-left:14px;border-left:4px solid var(--brand);}
.article-body h3{font-size:18px;line-height:1.6;color:var(--ink);margin-top:26px}
.article-body h4{font-size:16.5px;color:var(--ink);margin-top:22px}
.article-body p{margin:0}
.article-body ul,.article-body ol{padding-left:1.3em;display:grid;gap:8px}
.article-body li{min-width:0}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(13,92,99,.28);transition:color .2s,border-color .2s}
.article-body a:hover{color:var(--accent);border-color:rgba(201,106,32,.45)}
.article-body strong{color:var(--ink)}
.article-body blockquote{margin:22px 0;padding:16px 20px;background:var(--brand-soft);border-left:4px solid var(--brand);border-radius:0 var(--radius) var(--radius) 0;color:var(--ink-2);font-size:15.5px}
.article-body img{border-radius:var(--radius);margin:22px 0;box-shadow:var(--shadow-sm)}
.article-body table{width:100%;border-collapse:collapse;display:block;overflow-x:auto;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 13px;text-align:left}
.article-body th{background:#f4f7f5;color:var(--ink);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:28px 0}
.article-empty{text-align:center;padding:34px 10px}
.article-empty p{font-size:17px;color:var(--ink-2);font-weight:600}
.article-empty .btn{margin-top:20px}

/* sidebar */
.article-side{display:grid;gap:18px;min-width:0;position:sticky;top:96px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);min-width:0}
.side-card__title{font-size:15px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:9px}
.side-card__title::before{content:"";width:6px;height:16px;border-radius:3px;background:var(--brand)}
.side-card__text{margin-top:12px;font-size:14px;line-height:1.85;color:var(--ink-3)}
.side-link{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);font-size:14.5px;font-weight:600;color:var(--brand);background:#fbfdfc;transition:border-color .2s,background .2s,transform .2s,color .2s}
.side-link span{color:var(--ink-3);transition:transform .2s,color .2s}
.side-link:hover{border-color:var(--brand);background:var(--brand-soft);transform:translateY(-1px)}
.side-link:hover span{color:var(--brand);transform:translateX(3px)}
.side-link:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.check-list{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:11px}
.check-list li{position:relative;padding-left:24px;font-size:14px;line-height:1.75;color:var(--ink-2);min-width:0}
.check-list li::before{content:"";position:absolute;left:0;top:7px;width:13px;height:13px;border-radius:4px;border:2px solid var(--brand);background:var(--brand-soft)}
.side-dl{display:grid;gap:10px;margin-top:14px}
.side-dl a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 14px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;background:var(--brand);color:#fff;transition:background .2s,transform .2s}
.side-dl a:hover{background:#0a4a50;transform:translateY(-1px)}
.side-dl a:nth-child(2){background:#128186}
.side-dl a:nth-child(2):hover{background:#0e6d72}
.side-dl a:nth-child(3){background:#f0a35c;color:#231406}
.side-dl a:nth-child(3):hover{background:#f6b374}
.side-dl a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.side-dl small{font-weight:500;opacity:.8}

/* dimension grid */
.dimension-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.dimension-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);min-width:0;transition:transform .22s var(--ease),box-shadow .22s,border-color .22s}
.dimension-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9dbd8}
.dimension-card__no{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--accent)}
.dimension-card h3{margin-top:10px;font-size:17px;color:var(--ink);line-height:1.5}
.dimension-card p{margin-top:10px;font-size:14px;line-height:1.85;color:var(--ink-3)}

/* download */
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.dl-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);min-width:0;transition:transform .22s var(--ease),box-shadow .22s,border-color .22s}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9dbd8}
.dl-card__icon{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:15px}
.dl-card h3{margin-top:16px;font-size:17px;color:var(--ink)}
.dl-card p{margin-top:8px;font-size:14px;line-height:1.85;color:var(--ink-3);flex-grow:1}
.dl-card .btn{margin-top:18px;width:100%}

/* faq */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:6px 22px;box-shadow:var(--shadow-sm);transition:border-color .2s,box-shadow .2s}
.faq-item[open]{border-color:#c9dbd8;box-shadow:var(--shadow-md)}
.faq-item summary{list-style:none;cursor:pointer;padding:16px 30px 16px 0;font-size:15.5px;font-weight:600;color:var(--ink);position:relative;line-height:1.7}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:20px;font-weight:400;color:var(--brand);line-height:1}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.faq-item p{padding:0 0 18px;font-size:14.5px;line-height:1.9;color:var(--ink-2)}

/* notice */
.notice{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;background:#fff;border:1px solid #efdfcd;border-left:4px solid var(--accent);border-radius:var(--radius);padding:26px 28px;box-shadow:var(--shadow-sm)}
.notice h2{font-size:18px;color:var(--ink)}
.notice p{font-size:14.5px;line-height:1.9;color:var(--ink-2)}

/* footer */
.site-footer{background:var(--brand-deep);color:#b7cfcc;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr) minmax(0,1fr);gap:36px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:700;margin-bottom:14px;line-height:1.4}
.footer-brand .brand__mark{width:34px;height:34px;border-radius:10px;font-size:15px;flex-shrink:0}
.footer-desc{font-size:14px;line-height:1.9;color:#9eb9b6}
.footer-col{min-width:0}
.footer-col h2{font-size:14px;color:#e6f2f0;letter-spacing:.06em;margin-bottom:14px}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col a{font-size:14px;color:#a9c3c0;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-col a:focus-visible{outline:2px solid #8fb3b0;outline-offset:2px}
.friend-links{padding:26px 0 20px;border-bottom:1px solid rgba(255,255,255,.12)}
.friend-links h2{font-size:14px;color:#e6f2f0;letter-spacing:.06em;margin-bottom:12px}
.friend-links__list{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:13.5px;color:#a9c3c0}
.friend-links__list a{color:#a9c3c0;transition:color .2s}
.friend-links__list a:hover{color:#fff}
.copyright{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding-top:20px;font-size:13px;color:#8aa6a3}

@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
  .dimension-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr);gap:28px}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .site-nav{position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;gap:4px;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);box-shadow:0 18px 34px rgba(16,35,33,.12);padding:14px 22px 20px}
  .site-nav.is-open{display:flex}
  .site-nav__link{padding:11px 12px;border-radius:10px}
  .btn--nav{margin:8px 0 0;width:100%;justify-content:center}
  .site-header__inner{min-height:64px}
  .section{padding:56px 0}
  .article-card{padding:26px 22px}
  .dl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px}
}
@media (max-width:620px){
  .container{padding:0 18px}
  .topbar__inner{flex-direction:column;align-items:flex-start;gap:2px;padding:7px 0;min-height:0}
  .article-side{grid-template-columns:minmax(0,1fr)}
  .dimension-grid{grid-template-columns:minmax(0,1fr)}
  .dl-grid{grid-template-columns:minmax(0,1fr)}
  .article-hero{padding:20px 0 38px}
  .article-card{padding:22px 18px}
  .article-body{font-size:16px;line-height:1.9}
  .sec-title{font-size:22px}
  .copyright{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --ink:#12211f;
  --ink-2:#3c4f4b;
  --ink-3:#6d7f7a;
  --line:#dde4e0;
  --line-2:#eef2ef;
  --bg:#f7f7f3;
  --surface:#ffffff;
  --brand:#0d5c63;
  --brand-deep:#082f33;
  --brand-soft:#e6f0ef;
  --accent:#c96a20;
  --accent-soft:#fbeee2;
  --warn:#b3402f;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:9px;
  --shadow-sm:0 1px 2px rgba(16,35,33,.05),0 6px 18px rgba(16,35,33,.06);
  --shadow-md:0 16px 42px rgba(16,35,33,.13);
  --container:1160px;
  --ease:cubic-bezier(.4,.1,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4{margin:0;line-height:1.38;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;color:var(--brand);padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0}

/* 顶部信息条 */
.topbar{background:var(--brand-deep);color:#b9d3d0;font-size:13px}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;flex-wrap:wrap}
.topbar__note{margin:0;letter-spacing:.02em}
.topbar__link{color:#e7f3f1;border-bottom:1px solid rgba(231,243,241,.4);padding-bottom:1px;transition:color .2s}
.topbar__link:hover{color:#fff}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header__inner{display:flex;align-items:center;gap:24px;min-height:72px;position:relative}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand__mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(140deg,#0d5c63,#128186);color:#fff;font-weight:700;font-size:17px;flex:none}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__text strong{font-size:18px;letter-spacing:.02em}
.brand__text small{font-size:11.5px;color:var(--ink-3);letter-spacing:.16em;margin-top:2px}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.site-nav__link{padding:8px 15px;border-radius:999px;font-size:15px;color:var(--ink-2);transition:background .2s,color .2s}
.site-nav__link:hover{background:var(--brand-soft);color:var(--brand)}
.site-nav__link.is-active{color:var(--brand);background:var(--brand-soft);font-weight:600}
.site-nav__link:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn--nav{margin-left:10px;background:var(--accent);color:#fff;padding:9px 20px;border-radius:999px;font-size:14.5px;font-weight:600;transition:background .2s,transform .2s}
.btn--nav:hover{background:#b25c17;transform:translateY(-1px)}
.btn--nav:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.nav-toggle{display:none;width:42px;height:42px;margin-left:auto;background:#fff;border:1px solid var(--line);border-radius:12px;cursor:pointer;flex-direction:column;justify-content:center;gap:4px;transition:border-color .2s,background .2s}
.nav-toggle:hover{border-color:var(--brand);background:var(--brand-soft)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-2);border-radius:2px;margin:0 auto}

/* 通用按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .22s var(--ease),background .22s,box-shadow .22s,color .22s,border-color .22s;text-align:center;min-width:0}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.btn--primary{background:#f0a35c;color:#231406;box-shadow:0 10px 26px rgba(240,163,92,.28)}
.btn--primary:hover{background:#f6b374;transform:translateY(-2px)}
.btn--ghost{border-color:rgba(255,255,255,.34);color:#e8f2f1;background:transparent}
.btn--ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn--solid{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(13,92,99,.22)}
.btn--solid:hover{background:#0a4a50;transform:translateY(-2px)}
.btn--outline{border-color:var(--line);background:#fff;color:var(--ink-2)}
.btn--outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}

/* 分类页首屏 */
.cat-hero{padding:44px 0 56px;background:linear-gradient(180deg,#eef3f0 0%,#f7f7f3 100%);border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--ink-3)}
.crumb a{color:var(--ink-3);transition:color .2s}
.crumb a:hover{color:var(--brand)}
.crumb span{color:#a9b8b3}
.cat-hero h1{margin-top:18px;font-size:clamp(25px,3.2vw,38px);line-height:1.32;max-width:900px;letter-spacing:-.01em}
.cat-hero__lead{margin-top:16px;max-width:800px;font-size:16px;color:var(--ink-2);line-height:1.9}
.status-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.status-pill{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--ink-2);box-shadow:var(--shadow-sm)}
.status-pill i{width:7px;height:7px;border-radius:50%;background:var(--brand);flex:none}
.status-pill--accent i{background:var(--accent)}
.icon-matrix{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;margin-top:26px}
.icon-tile{display:flex;flex-direction:column;gap:8px;padding:16px 14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);min-width:0;transition:transform .22s var(--ease),box-shadow .22s,border-color .22s}
.icon-tile:hover{transform:translateY(-3px);border-color:#c9d8d3;box-shadow:var(--shadow-md)}
.icon-tile__mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:15px}
.icon-tile strong{font-size:14.5px;color:var(--ink)}
.icon-tile span{font-size:12.5px;color:var(--ink-3);line-height:1.55}

/* 板块 */
.section{padding:66px 0;scroll-margin-top:86px}
.section--tint{background:#fff}
.section--soft{background:#f2f4f0}
.section--line{border-top:1px solid var(--line)}
.sec-head{max-width:790px;margin-bottom:34px}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.14em;color:var(--brand);font-weight:600}
.sec-head h2{margin-top:10px;font-size:clamp(21px,2.4vw,29px)}
.sec-head p{margin-top:12px;color:var(--ink-2);font-size:15.5px}

/* 核查维度 */
.dim-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.dim-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);min-width:0;transition:transform .22s var(--ease),box-shadow .22s,border-color .22s}
.dim-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9d8d3}
.dim-card__no{font-size:12.5px;color:var(--accent);font-weight:700;letter-spacing:.12em}
.dim-card h3{margin-top:8px;font-size:17px}
.dim-card p{margin-top:9px;font-size:14.5px;color:var(--ink-2)}
.chip-row{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:12px;padding:3px 9px;border-radius:999px;background:var(--brand-soft);color:#0a4a50;border:1px solid #cfe0dd;white-space:nowrap}

/* 流程 */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);min-width:0}
.step__num{width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:700}
.step h3{margin-top:13px;font-size:16px}
.step p{margin-top:7px;font-size:14px;color:var(--ink-2)}

/* 两栏 */
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:28px;align-items:start}
.split h2{font-size:clamp(20px,2.2vw,26px)}
.split__lead{margin-top:12px;font-size:15px;color:var(--ink-2)}
.check-list{margin-top:18px}
.check-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line);min-width:0}
.check-list li:last-child{border-bottom:0}
.check-list .tick{flex:none;width:22px;height:22px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:12px;font-weight:700;margin-top:3px}
.check-list strong{display:block;font-size:15px;color:var(--ink)}
.check-list p{font-size:14px;color:var(--ink-3);margin-top:3px}
.note-card{background:var(--brand-deep);color:#d7e8e6;border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-md)}
.note-card h3{color:#fff;font-size:17px}
.note-card p{margin-top:10px;font-size:14.5px;color:#b9d3d0}
.note-card ul{margin-top:16px;display:grid;gap:9px;font-size:14px;color:#cfe3e0}
.note-card li{padding-left:16px;position:relative}
.note-card li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:#7fc0ba}

/* 风险信号 */
.signal-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.signal-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;min-width:0}
.signal-card--warn{border-color:#f0d5bb;background:#fffdfa}
.signal-card h3{display:flex;align-items:center;gap:10px;font-size:17px}
.dot{width:10px;height:10px;border-radius:50%;background:var(--accent);flex:none}
.dot--ok{background:var(--brand)}
.signal-card ul{margin-top:16px;display:grid;gap:10px;font-size:14.5px;color:var(--ink-2)}
.signal-card li{padding-left:16px;position:relative;min-width:0}
.signal-card li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.35}

/* 结果解读 */
.verdict-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.verdict{background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:var(--radius);padding:24px;min-width:0;transition:box-shadow .22s var(--ease),transform .22s var(--ease)}
.verdict:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.verdict--mid{border-left-color:var(--accent)}
.verdict--stop{border-left-color:var(--warn)}
.verdict h3{font-size:16.5px}
.verdict p{margin-top:9px;font-size:14.5px;color:var(--ink-2)}

/* 下载 */
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.dl-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);min-width:0;transition:transform .22s var(--ease),box-shadow .22s,border-color .22s}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d8d3}
.dl-card__icon{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:700;font-size:13px;letter-spacing:.02em}
.dl-card h3{margin-top:14px;font-size:17px}
.dl-card p{margin-top:7px;font-size:14px;color:var(--ink-3);flex:1}
.dl-card .btn{margin-top:18px;align-self:flex-start}

/* CMS 列表 */
.post-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);min-width:0;transition:transform .22s var(--ease),box-shadow .22s,border-color .22s}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9d8d3}
.post-card__meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-3)}
.tag{font-size:12px;padding:3px 10px;border-radius:999px;background:var(--brand-soft);color:#0a4a50;border:1px solid #cfe0dd;white-space:nowrap}
.post-card h3{margin-top:11px;font-size:16.5px;line-height:1.55}
.post-card p{margin-top:9px;font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-card__more{display:inline-block;margin-top:13px;font-size:13.5px;color:var(--brand);font-weight:600}
.empty-note{padding:30px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius);color:var(--ink-3);text-align:center;font-size:14.5px}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2px 22px;transition:border-color .2s,box-shadow .2s}
.faq-item[open]{border-color:#c9d8d3;box-shadow:var(--shadow-sm)}
.faq-item summary{list-style:none;cursor:pointer;padding:17px 0;font-weight:600;font-size:16px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--brand);font-size:20px;line-height:1;flex:none}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding:0 0 18px;font-size:14.8px;color:var(--ink-2)}
.faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* 收口 */
.cta-band{background:radial-gradient(120% 140% at 8% 0%,#10565d 0%,#0a3a40 46%,#07262a 100%);color:#e8f2f1;padding:58px 0}
.cta-band__inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);color:#fff}
.cta-band p{margin-top:11px;color:#b9d3d0;max-width:640px;font-size:15px}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:#082022;color:#a9c2bf;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(2,minmax(0,1fr));gap:34px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand strong{color:#eaf4f2;font-size:16px;line-height:1.4}
.footer-desc{margin-top:14px;font-size:13.8px;color:#8fadaa;line-height:1.85;max-width:470px}
.footer-col h2{font-size:14px;color:#eaf4f2;letter-spacing:.04em;margin-bottom:14px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#9dbbb8;transition:color .2s}
.footer-col a:hover{color:#fff}
.friend-links{padding:26px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.friend-links h2{font-size:14px;color:#eaf4f2;margin-bottom:14px}
.friend-links__list{display:flex;flex-wrap:wrap;gap:10px 18px}
.friend-links__list a{font-size:13.5px;color:#9dbbb8;transition:color .2s}
.friend-links__list a:hover{color:#fff}
.copyright{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:#7f9c99}

/* 响应式 */
@media (max-width:1024px){
  .icon-matrix{grid-template-columns:repeat(3,minmax(0,1fr))}
  .dim-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .verdict-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .dl-card{padding:22px}
}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .site-nav{position:absolute;top:100%;left:0;right:0;margin-left:0;flex-direction:column;align-items:stretch;gap:4px;padding:12px 18px 18px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);display:none}
  .site-nav.is-open{display:flex}
  .site-nav__link{padding:11px 14px}
  .btn--nav{margin-left:0;justify-content:center;text-align:center}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .cat-hero{padding:34px 0 44px}
  .icon-matrix{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dim-grid,.step-grid,.verdict-grid,.post-grid,.signal-grid,.dl-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .cta-band{padding:46px 0}
  .cta-band__actions{width:100%}
}
@media (max-width:520px){
  .brand__text small{letter-spacing:.1em}
  .status-pill{font-size:12.8px;padding:7px 12px}
  .cta-band__actions .btn,.dl-card .btn{width:100%}
  .faq-item{padding:2px 16px}
  .dim-card,.step,.verdict,.signal-card,.post-card,.dl-card{padding:20px}
}