/* roulang page: index */
:root{
  --c-brand:#1157A6;
  --c-brand-deep:#0B3F7D;
  --c-brand-soft:#E8F0FB;
  --c-accent:#12B5A6;
  --c-hot:#FF6B35;
  --c-bg:#F4F7FB;
  --c-surface:#FFFFFF;
  --c-text:#0F1B2D;
  --c-text-2:#46536B;
  --c-text-3:#8492A6;
  --c-line:#E4E9F2;
  --c-ink:#0E1A2E;
  --r-lg:14px;
  --r-md:10px;
  --r-img:12px;
  --r-hero:18px;
  --sh-sm:0 1px 2px rgba(15,27,45,.06);
  --sh-card:0 6px 18px -6px rgba(15,27,45,.12),0 2px 6px rgba(15,27,45,.04);
  --sh-hover:0 16px 34px -12px rgba(17,87,166,.28);
  --sp-section:64px;
  --sp-section-m:40px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-brand-deep);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px;}
::selection{background:var(--c-brand-soft);color:var(--c-brand-deep);}

/* ===== Foundation 覆盖 ===== */
body,.button,button,input,select,textarea{font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;}
a{color:var(--c-brand);}
a:hover,a:focus{color:var(--c-brand-deep);}
.grid-x{margin-left:0;margin-right:0;}
.grid-margin-x{margin-left:-10px;margin-right:-10px;}
.grid-margin-x>.cell{padding-left:10px;padding-right:10px;}
.grid-margin-x>.cell:not(:last-child){margin-bottom:20px;}
.button{background:var(--c-brand);border-radius:var(--r-md);}
.button:hover{background:var(--c-brand-deep);}
input,textarea,select{box-shadow:none;}
summary{list-style:none;}
summary::-webkit-details-marker{display:none;}

/* ===== 容器 ===== */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media (min-width:992px){.container{padding:0 32px;}}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ===== 顶部导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.98);border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease,background .25s ease;}
.site-header.is-stuck{background:rgba(255,255,255,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:0 2px 12px rgba(15,27,45,.06);}
.nav-top{display:flex;align-items:center;gap:20px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:19px;letter-spacing:-.01em;color:var(--c-brand);white-space:nowrap;}
.logo:hover{color:var(--c-brand-deep);}
.logo__mark{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--c-brand),var(--c-brand-deep));color:#fff;font-size:13px;font-weight:800;letter-spacing:0;}
.logo__text{font-size:17px;}
.nav-search{flex:1;max-width:420px;position:relative;display:none;}
@media (min-width:768px){.nav-search{display:block;}}
.nav-search i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--c-text-3);font-size:14px;}
.nav-search input{width:100%;height:40px;border-radius:999px;border:1px solid var(--c-line);background:var(--c-bg);padding:0 16px 0 40px;font-size:14px;color:var(--c-text);}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-search input:focus{border-color:var(--c-brand);background:#fff;box-shadow:0 0 0 4px rgba(17,87,166,.12);outline:none;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-link{font-size:14px;color:var(--c-text-2);font-weight:500;}
.nav-link:hover{color:var(--c-brand);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:var(--r-md);font-size:15px;font-weight:600;letter-spacing:.01em;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;}
.btn--hot{background:var(--c-hot);color:#fff;box-shadow:0 8px 18px -8px rgba(255,107,53,.75);}
.btn--hot:hover{background:#f25a22;color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -10px rgba(255,107,53,.85);}
.btn--hot:active{transform:translateY(0);}
.btn--primary{background:var(--c-brand);color:#fff;box-shadow:0 10px 22px -12px rgba(17,87,166,.9);}
.btn--primary:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-1px);}
.btn--ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.55);}
.btn--ghost:hover{background:#fff;color:var(--c-brand-deep);transform:translateY(-1px);}
.btn--outline{background:#fff;color:var(--c-brand);border:1px solid var(--c-line);}
.btn--outline:hover{border-color:var(--c-brand);color:var(--c-brand-deep);transform:translateY(-1px);}
.burger{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);color:var(--c-brand);font-size:17px;background:#fff;}
@media (min-width:992px){.burger{display:none;}}

.nav-tabs{border-top:1px solid var(--c-line);}
.nav-tabs__inner{position:relative;display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.nav-tabs__inner::-webkit-scrollbar{display:none;}
.pill{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;font-size:14px;font-weight:500;white-space:nowrap;background:#fff;border:1px solid var(--c-line);color:var(--c-brand);transition:background .2s ease,color .2s ease,border-color .2s ease;}
.pill:hover{background:var(--c-brand-soft);color:var(--c-brand-deep);}
.pill.is-active{background:var(--c-brand);border-color:var(--c-brand);color:#fff;}
.pill.is-active:hover{background:var(--c-brand-deep);color:#fff;}
.nav-tabs__fade{position:absolute;right:0;top:0;bottom:0;width:48px;pointer-events:none;background:linear-gradient(90deg,rgba(255,255,255,0),#fff);}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(15,27,45,.45);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:90;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:100;transform:translateX(102%);transition:transform .3s cubic-bezier(.2,.7,.3,1);display:flex;flex-direction:column;padding:20px;overflow-y:auto;}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer__close{width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);color:var(--c-text-2);font-size:16px;}
.drawer__search{position:relative;margin-bottom:20px;}
.drawer__search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--c-text-3);font-size:13px;}
.drawer__search input{width:100%;height:44px;border-radius:10px;border:1px solid var(--c-line);background:var(--c-bg);padding:0 14px 0 38px;font-size:14px;}
.drawer__label{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--c-text-3);margin:6px 0 10px;}
.drawer__nav{display:flex;flex-direction:column;gap:8px;margin-bottom:20px;}
.drawer__nav a{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;border-radius:12px;background:var(--c-bg);font-size:15px;font-weight:500;color:var(--c-text);}
.drawer__nav a.is-active{background:var(--c-brand);color:#fff;}
.drawer__nav a:hover{color:var(--c-brand-deep);}
.drawer__nav a.is-active:hover{color:#fff;}

/* ===== Hero ===== */
.hero{position:relative;margin:24px 0 0;}
.hero__stage{position:relative;border-radius:var(--r-hero);overflow:hidden;min-height:400px;height:clamp(400px,40vw,520px);background:var(--c-brand-deep);box-shadow:var(--sh-card);}
.hero__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;transition:opacity .4s ease;}
.hero__veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,32,64,.94) 0%,rgba(11,63,125,.78) 42%,rgba(11,63,125,.18) 74%,rgba(11,63,125,0) 100%);}
.hero__inner{position:relative;height:100%;display:flex;align-items:center;padding:32px 28px;}
@media (min-width:992px){.hero__inner{padding:48px 52px;}}
.hero__copy{max-width:620px;color:#fff;}
.badge{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.06em;background:rgba(18,181,166,.18);color:#8EF0E4;border:1px solid rgba(18,181,166,.5);}
.hero h1{font-size:clamp(28px,3.4vw,44px);font-weight:800;line-height:1.2;letter-spacing:-.01em;margin:18px 0 14px;color:#fff;}
.hero__sub{font-size:16px;line-height:1.7;color:rgba(255,255,255,.86);max-width:520px;}
.hero__btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero__metrics{display:flex;gap:28px;margin-top:30px;flex-wrap:wrap;}
.metric__num{font-size:22px;font-weight:800;color:#fff;line-height:1.2;}
.metric__label{font-size:13px;color:rgba(255,255,255,.7);}
.hero__thumbs{position:absolute;right:26px;bottom:26px;display:none;gap:10px;}
@media (min-width:992px){.hero__thumbs{display:flex;}}
.thumb{width:104px;height:58px;border-radius:10px;overflow:hidden;padding:0;border:2px solid rgba(255,255,255,.25);opacity:.72;transition:opacity .2s ease,border-color .2s ease,transform .2s ease;background:#0B3F7D;}
.thumb img{width:100%;height:100%;object-fit:cover;}
.thumb:hover{opacity:1;transform:translateY(-2px);}
.thumb.is-active{opacity:1;border-color:#fff;outline:2px solid var(--c-brand);outline-offset:2px;}
@media (max-width:767px){.hero__stage{height:auto;min-height:0;} .hero__inner{padding:28px 22px 34px;} .hero__veil{background:linear-gradient(180deg,rgba(9,32,64,.7) 0%,rgba(11,63,125,.9) 60%,rgba(11,63,125,.96) 100%);}}

/* ===== 板块 ===== */
.section{padding-top:var(--sp-section);}
.section:last-of-type{padding-bottom:var(--sp-section);}
.section--tight{padding-top:48px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px;flex-wrap:wrap;}
.section-head__title{display:flex;align-items:center;gap:12px;}
.section-head__title::before{content:"";display:block;width:4px;height:20px;border-radius:2px;background:var(--c-brand);}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
.section-head__sub{font-size:14px;color:var(--c-text-2);margin-top:6px;display:block;}
.section-head__more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-brand);}
.section-head__more:hover{gap:10px;color:var(--c-brand-deep);}
.rail-arrows{display:none;gap:10px;}
@media (min-width:992px){.rail-arrows{display:flex;}}
.rail-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--c-line);background:#fff;color:var(--c-brand);display:inline-flex;align-items:center;justify-content:center;transition:background .2s ease,color .2s ease,border-color .2s ease;}
.rail-btn:hover{background:var(--c-brand);color:#fff;border-color:var(--c-brand);}

/* 卡片通用 */
.card{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%;display:flex;flex-direction:column;}
.card__cover{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--c-brand),var(--c-brand-deep));}
.card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .32s cubic-bezier(.2,.7,.3,1);}
.card__cover--16x9{aspect-ratio:16/9;}
.card__cover--3x4{aspect-ratio:3/4;}
.card__body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card h3{font-size:17px;font-weight:700;line-height:1.4;}
.card h3 a{color:var(--c-text);}
.card p{font-size:14px;line-height:1.7;color:var(--c-text-2);}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clamp1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.tagrow{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--c-brand-soft);color:var(--c-brand-deep);}
.tag--accent{background:rgba(18,181,166,.14);color:#0B7C72;}
.tag--hot{background:rgba(255,107,53,.14);color:#D2470F;}
.meta{font-size:13px;color:var(--c-text-3);display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.meta i{font-size:11px;}
.card__link{position:absolute;inset:0;z-index:2;}
.card__overlay{position:absolute;inset:0;background:rgba(11,63,125,.42);opacity:0;transition:opacity .28s ease;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;}
.card__link:hover ~ .card__cover .card__overlay{opacity:1;}
@media (hover:hover){
  .card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#D3DFF0;}
  .card:hover .card__cover img{transform:scale(1.06);}
  .card:hover h3 a{color:var(--c-brand);}
  .card:hover .card__overlay{opacity:1;}
}

/* 横滑轨道 */
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 14px;scrollbar-width:none;-ms-overflow-style:none;}
.rail::-webkit-scrollbar{display:none;}
.rail__item{flex:0 0 232px;scroll-snap-align:start;}
@media (max-width:575px){.rail__item{flex:0 0 78%;}}
.rail-dots{display:flex;justify-content:center;gap:8px;margin-top:6px;}
@media (min-width:992px){.rail-dots{display:none;}}
.rail-dot{width:6px;height:6px;border-radius:50%;background:var(--c-line);padding:0;transition:background .2s ease,width .2s ease;}
.rail-dot.is-active{background:var(--c-brand);width:18px;border-radius:3px;}

/* 热门推荐 */
.hot{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:992px){.hot{grid-template-columns:7fr 5fr;}}
.hot__big{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-card);min-height:280px;aspect-ratio:16/9;background:linear-gradient(135deg,var(--c-brand),var(--c-brand-deep));}
.hot__big img{width:100%;height:100%;object-fit:cover;}
.hot__big-veil{position:absolute;inset:0;background:linear-gradient(0deg,rgba(9,32,64,.9) 0%,rgba(9,32,64,.35) 45%,rgba(9,32,64,.05) 100%);}
.hot__big-copy{position:absolute;left:0;right:0;bottom:0;padding:24px;color:#fff;}
.hot__big-copy h3{font-size:clamp(19px,2vw,24px);font-weight:700;line-height:1.35;margin:12px 0 8px;}
.hot__big-copy h3 a{color:#fff;}
.hot__big-copy p{font-size:14px;color:rgba(255,255,255,.82);}
.hot__corner{position:absolute;top:16px;left:16px;display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--c-hot);color:#fff;font-size:12px;font-weight:700;letter-spacing:.06em;}
.hot__list{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-card);padding:6px 20px;display:flex;flex-direction:column;justify-content:center;}
.hot__row{display:flex;align-items:center;gap:16px;padding:15px 0;border-bottom:1px solid var(--c-line);transition:background .2s ease;}
.hot__row:last-child{border-bottom:0;}
.hot__row:hover{background:var(--c-brand-soft);}
.hot__no{font-size:26px;font-weight:800;color:var(--c-brand);line-height:1;min-width:34px;font-variant-numeric:tabular-nums;}
@media (max-width:575px){.hot__no{font-size:20px;min-width:26px;}}
.hot__txt{flex:1;min-width:0;}
.hot__txt h4{font-size:15px;font-weight:700;line-height:1.45;color:var(--c-text);}
.hot__txt h4 a{color:var(--c-text);}
.hot__txt h4 a:hover{color:var(--c-brand);}
.hot__txt span{font-size:12px;color:var(--c-text-3);}
.hot__row i.arrow{color:var(--c-text-3);font-size:13px;transition:transform .2s ease,color .2s ease;}
.hot__row:hover i.arrow{transform:translateX(4px);color:var(--c-brand);}

/* 列表行式（分区 A） */
.feat-2 .card__cover--16x9{aspect-ratio:16/9;}
.feat-2 .card h3{font-size:20px;}

/* 六宫格 */
.hexgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
@media (min-width:768px){.hexgrid{grid-template-columns:repeat(3,1fr);}}
@media (min-width:1200px){.hexgrid{grid-template-columns:repeat(6,1fr);}}
.hex{position:relative;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--c-line);background:var(--c-surface);box-shadow:var(--sh-sm);transition:transform .2s ease,box-shadow .2s ease;}
.hex__cover{aspect-ratio:3/4;overflow:hidden;background:linear-gradient(135deg,var(--c-brand),var(--c-brand-deep));}
.hex__cover img{width:100%;height:100%;object-fit:cover;}
.hex__no{position:absolute;top:8px;left:8px;min-width:26px;height:26px;padding:0 8px;border-radius:8px;background:rgba(11,63,125,.86);color:#fff;font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;}
.hex__body{padding:12px 12px 14px;}
.hex__body h3{font-size:14px;font-weight:700;line-height:1.45;color:var(--c-text);}
.hex__body span{font-size:12px;color:var(--c-text-3);display:block;margin-top:6px;}
@media (hover:hover){
  .hex:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
  .hex:hover .hex__cover img{transform:scale(1.06);transition:transform .32s cubic-bezier(.2,.7,.3,1);}
}

/* 最新信息 CMS 区 */
.news{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:992px){.news{grid-template-columns:7fr 5fr;}}
.news__feature{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-card);position:relative;display:flex;flex-direction:column;}
.news__feature .cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--c-brand),var(--c-brand-deep));}
.news__feature .cover img{width:100%;height:100%;object-fit:cover;}
.news__feature .cover .tag--hot{position:absolute;top:14px;left:14px;height:26px;background:var(--c-hot);color:#fff;}
.news__feature .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;}
.news__feature h3{font-size:20px;font-weight:700;line-height:1.4;}
.news__feature h3 a{color:var(--c-text);}
.news__feature h3 a:hover{color:var(--c-brand);}
.news__feature p{font-size:14px;color:var(--c-text-2);}
.news__items{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-card);padding:8px 20px;}
.news__item{position:relative;display:block;padding:16px 26px 16px 0;border-bottom:1px solid var(--c-line);transition:background .2s ease;}
.news__item:last-child{border-bottom:0;}
.news__item h3{font-size:15px;font-weight:700;line-height:1.45;color:var(--c-text);margin-bottom:6px;}
.news__item p{font-size:13px;color:var(--c-text-2);margin-bottom:8px;}
.news__item .arrow{position:absolute;right:0;top:50%;transform:translateY(-50%);color:var(--c-text-3);font-size:13px;transition:transform .2s ease,color .2s ease;}
.news__item:hover{background:var(--c-brand-soft);}
.news__item:hover h3{color:var(--c-brand);}
.news__item:hover .arrow{transform:translateY(-50%) translateX(4px);color:var(--c-brand);}
.cms-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:48px 24px;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-lg);color:var(--c-text-2);font-size:15px;width:100%;grid-column:1/-1;}
.cms-empty i{font-size:26px;color:var(--c-brand);opacity:.7;}

/* CTA 横幅 */
.cta{margin-top:var(--sp-section);}
.cta__box{border-radius:var(--r-hero);padding:40px 32px;background:linear-gradient(90deg,#0B3F7D 0%,#1157A6 100%);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;box-shadow:0 20px 40px -20px rgba(11,63,125,.7);}
@media (max-width:767px){.cta__box{padding:24px 20px;}}
.cta__box h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.35;color:#fff;}
.cta__box p{font-size:14px;color:rgba(255,255,255,.82);margin-top:8px;}

/* FAQ */
.faq{margin-top:var(--sp-section);}
.faq__list{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-card);overflow:hidden;}
.faq__item{border-bottom:1px solid var(--c-line);position:relative;}
.faq__item:last-child{border-bottom:0;}
.faq__item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-brand);transform:scaleY(0);transform-origin:top;transition:transform .24s ease;}
.faq__item[open]::before{transform:scaleY(1);}
.faq__item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;font-size:17px;font-weight:500;color:var(--c-text);cursor:pointer;transition:background .2s ease,color .2s ease;}
.faq__item summary:hover{background:var(--c-brand-soft);}
.faq__item summary::after{content:"+";font-size:20px;font-weight:400;color:var(--c-brand);line-height:1;transition:transform .24s ease;}
.faq__item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq__item p{padding:0 22px 22px;font-size:15px;line-height:1.75;color:var(--c-text-2);max-width:860px;}

/* 页脚 */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.7);margin-top:var(--sp-section);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand{display:inline-flex;align-items:center;gap:8px;font-size:17px;font-weight:800;color:#fff;}
.footer-brand:hover{color:#8EF0E4;}
.footer-brand .logo__mark{background:linear-gradient(135deg,#12B5A6,#1157A6);}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin-top:14px;max-width:320px;}
.footer-col h3{font-size:13px;font-weight:600;letter-spacing:.1em;color:rgba(255,255,255,.5);margin-bottom:14px;}
.footer-col ul li{margin-bottom:2px;}
.footer-col ul a{display:inline-flex;align-items:center;min-height:32px;font-size:14px;color:rgba(255,255,255,.72);}
.footer-col ul a:hover{color:#8EF0E4;}
.footer-bottom{margin-top:44px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:#8EF0E4;}

/* 入场动效 */
.reveal-ready .reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease;}
.reveal-ready .reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal-ready .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --c-brand:#1157A6;
  --c-brand-deep:#0B3F7D;
  --c-brand-soft:#E8F0FB;
  --c-accent:#12B5A6;
  --c-hot:#FF6B35;
  --c-bg:#F4F7FB;
  --c-surface:#FFFFFF;
  --c-text:#0F1B2D;
  --c-text-2:#46536B;
  --c-text-3:#8492A6;
  --c-line:#E4E9F2;
  --r-lg:14px;
  --r-sm:10px;
  --r-img:12px;
  --r-hero:18px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(15,27,45,.06);
  --sh-card:0 6px 18px -6px rgba(15,27,45,.12),0 2px 6px rgba(15,27,45,.04);
  --sh-hover:0 16px 34px -12px rgba(17,87,166,.28);
  --nav-h:64px;
  --tabs-h:48px;
  --pad-x:20px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Inter","Manrope",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-brand-deep);}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-text);font-weight:800;line-height:1.28;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--pad-x);}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(0);}
.btn--hot{background:var(--c-hot);color:#fff;box-shadow:0 6px 16px -8px rgba(255,107,53,.9);}
.btn--hot:hover{background:#f75f28;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px -10px rgba(255,107,53,.85);}
.btn--primary{background:var(--c-brand);color:#fff;box-shadow:0 6px 16px -8px rgba(17,87,166,.8);}
.btn--primary:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn--ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.65);}
.btn--ghost:hover{background:rgba(255,255,255,.26);color:#fff;transform:translateY(-1px);}
.btn--outline{background:#fff;color:var(--c-brand);border-color:var(--c-line);}
.btn--outline:hover{border-color:var(--c-brand);background:var(--c-brand-soft);color:var(--c-brand-deep);}
.link-quiet{color:var(--c-text-2);font-size:15px;font-weight:600;padding:10px 4px;}
.link-quiet:hover{color:var(--c-brand);}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--c-brand);}
.link-more i{font-size:12px;transition:transform .2s ease;}
.link-more:hover i{transform:translateX(3px);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);}
.site-header.is-scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(8px);box-shadow:0 2px 12px rgba(15,27,45,.06);}
.header-top{}
.header-top__inner{display:flex;align-items:center;gap:20px;min-height:var(--nav-h);}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--c-brand),var(--c-brand-deep));
  color:#fff;font-size:15px;font-weight:800;letter-spacing:.02em;
}
.logo__text{font-size:17px;font-weight:800;color:var(--c-brand-deep);letter-spacing:-.01em;white-space:nowrap;}
.header-search{
  position:relative;flex:1 1 auto;max-width:420px;display:none;align-items:center;
}
.header-search i{position:absolute;left:16px;color:var(--c-text-3);font-size:14px;}
.header-search input{
  width:100%;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-bg);
  padding:0 16px 0 42px;font-size:14px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.header-search input::placeholder{color:var(--c-text-3);}
.header-search input:focus{background:#fff;border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(17,87,166,.12);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0;}
.drawer-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:#fff;color:var(--c-brand);cursor:pointer;
}
.drawer-toggle:hover{background:var(--c-brand-soft);}
.nav-tabs{border-top:1px solid var(--c-line);background:#fff;}
.nav-tabs__inner{
  position:relative;display:flex;gap:10px;align-items:center;
  height:var(--tabs-h);overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  white-space:nowrap;
}
.nav-tabs__inner::-webkit-scrollbar{display:none;}
.pill{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:#fff;color:var(--c-brand);font-size:14px;font-weight:600;
  flex:0 0 auto;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.pill:hover{background:var(--c-brand-soft);color:var(--c-brand-deep);border-color:#CBDCF3;}
.pill.is-active{background:var(--c-brand);border-color:var(--c-brand);color:#fff;}
.pill.is-active:hover{background:var(--c-brand-deep);color:#fff;}
.nav-tabs__fade{
  position:absolute;right:0;top:0;width:46px;height:100%;pointer-events:none;
  background:linear-gradient(90deg,rgba(255,255,255,0),#fff);
}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(320px,86vw);
  background:#fff;z-index:80;transform:translateX(102%);
  transition:transform .28s ease;box-shadow:-14px 0 34px -18px rgba(15,27,45,.4);
  padding:22px 20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer__title{font-size:16px;font-weight:800;color:var(--c-brand-deep);}
.drawer__close{width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:#fff;color:var(--c-text-2);cursor:pointer;}
.drawer__close:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.drawer__search{position:relative;margin-bottom:18px;}
.drawer__search input{width:100%;height:42px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:var(--c-bg);padding:0 14px;font-size:14px;outline:none;}
.drawer__search input:focus{border-color:var(--c-brand);background:#fff;}
.drawer__nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:var(--r-sm);
  color:var(--c-text);font-size:15px;font-weight:600;
}
.drawer__nav a:hover{background:var(--c-brand-soft);color:var(--c-brand-deep);}
.drawer__nav a i{color:var(--c-text-3);font-size:12px;}
.drawer__cta{margin-top:18px;display:grid;gap:10px;}
.backdrop{position:fixed;inset:0;background:rgba(14,26,46,.45);z-index:70;opacity:0;visibility:hidden;transition:opacity .28s ease;}
.backdrop.is-open{opacity:1;visibility:visible;}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:20px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-text-3);}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:#C3CCDA;}
.breadcrumb a{color:var(--c-text-2);font-weight:600;}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb .current{color:var(--c-text);font-weight:600;}

/* ---------- article head ---------- */
.article-wrap{padding:22px 0 72px;}
.article-head{max-width:900px;}
.article-head__tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-brand-soft);color:var(--c-brand-deep);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.tag--accent{background:rgba(18,181,166,.12);color:#0B7F75;}
.article-head h1{
  font-size:clamp(27px,3.3vw,42px);font-weight:800;line-height:1.22;letter-spacing:-.01em;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:18px;padding-bottom:20px;border-bottom:1px solid var(--c-line);
  font-size:14px;color:var(--c-text-2);
}
.meta-row time{font-family:var(--font-num);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C3CCDA;}
.meta-row .share{margin-left:auto;display:flex;align-items:center;gap:10px;color:var(--c-text-3);}
.meta-row .share button{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--c-line);
  background:#fff;color:var(--c-text-2);cursor:pointer;transition:all .2s ease;
}
.meta-row .share button:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-brand-soft);}

/* ---------- cover ---------- */
.article-cover{
  position:relative;margin-top:26px;border-radius:var(--r-hero);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-card);
  aspect-ratio:21/9;
  background:linear-gradient(135deg,#0B3F7D,#1157A6 55%,#12B5A6);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.article-cover__fallback{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.82);font-size:20px;font-weight:800;letter-spacing:.04em;
  z-index:0;text-align:center;padding:0 24px;
}
.article-cover img{position:relative;z-index:1;}

/* ---------- layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;margin-top:36px;}
.article-body{
  max-width:780px;width:100%;margin:0 auto;
  font-size:17px;line-height:1.9;color:#1C2A3E;
}
.article-body h2{
  font-size:clamp(20px,2.2vw,26px);font-weight:800;line-height:1.35;
  margin:40px 0 16px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--c-brand),var(--c-accent));
}
.article-body h3{font-size:19px;font-weight:700;margin:30px 0 12px;}
.article-body p{margin:0 0 20px;}
.article-body a{color:var(--c-brand);font-weight:600;text-decoration:underline;text-decoration-color:rgba(17,87,166,.35);text-underline-offset:3px;}
.article-body a:hover{color:var(--c-brand-deep);text-decoration-color:var(--c-brand);}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:2px;}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:13px;width:7px;height:7px;border-radius:50%;
  background:var(--c-accent);
}
.article-body ol{counter-reset:olc;}
.article-body ol li{counter-increment:olc;}
.article-body ol li::before{
  content:counter(olc);position:absolute;left:0;top:2px;
  font-family:var(--font-num);font-size:13px;font-weight:800;color:var(--c-brand);
  width:18px;height:18px;line-height:18px;text-align:center;border-radius:6px;background:var(--c-brand-soft);
}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;border-left:3px solid var(--c-brand);
  background:var(--c-brand-soft);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:#22344D;font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:26px auto;box-shadow:var(--sh-sm);}
.article-body figure{margin:26px 0;}
.article-body figcaption,.article-body .caption{text-align:center;font-size:13px;color:var(--c-text-3);margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;background:#fff;border-radius:var(--r-sm);overflow:hidden;box-shadow:var(--sh-sm);}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--c-line);text-align:left;}
.article-body th{background:var(--c-brand-soft);color:var(--c-brand-deep);font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0;}
.article-body code{background:#EEF2F8;border-radius:6px;padding:2px 6px;font-size:14.5px;}

/* ---------- empty state ---------- */
.empty-state{
  max-width:640px;margin:0 auto;padding:48px 28px;text-align:center;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-hero);box-shadow:var(--sh-card);
}
.empty-state i{font-size:26px;color:var(--c-brand);}
.empty-state h2{font-size:20px;margin:14px 0 8px;}
.empty-state p{color:var(--c-text-2);font-size:15px;margin-bottom:20px;}

/* ---------- tags block ---------- */
.post-tags{margin-top:42px;padding-top:24px;border-top:1px solid var(--c-line);display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.post-tags span.label{font-size:13px;color:var(--c-text-3);font-weight:600;margin-right:4px;}
.post-tags a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);color:var(--c-text-2);font-size:13.5px;font-weight:600;
}
.post-tags a:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-brand-soft);}

/* ---------- sections ---------- */
.section{padding-top:64px;}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.section__title{position:relative;padding-left:14px;font-size:clamp(20px,2.3vw,28px);font-weight:800;}
.section__title::before{
  content:"";position:absolute;left:0;top:6px;height:20px;width:4px;border-radius:4px;background:var(--c-brand);
}
.section__sub{font-size:14px;color:var(--c-text-2);margin-top:8px;padding-left:14px;}

/* ---------- cards ---------- */
.card{
  position:relative;height:100%;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-card);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card__media{position:relative;aspect-ratio:3/4;overflow:hidden;background:linear-gradient(135deg,#0B3F7D,#1157A6);}
.card__media--wide{aspect-ratio:16/9;}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .32s cubic-bezier(.2,.7,.3,1);}
.card__body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card__title{font-size:16.5px;font-weight:700;line-height:1.45;}
.card__title a{color:var(--c-text);}
.card__desc{font-size:14px;color:var(--c-text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__meta{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:13px;color:var(--c-text-3);}
.card__meta .badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--c-brand-soft);color:var(--c-brand-deep);font-size:12px;font-weight:700;
}
@media (hover:hover){
  .card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#CBDCF3;}
  .card:hover .card__media img{transform:scale(1.06);}
  .card:hover .card__title a{color:var(--c-brand);}
}

/* ---------- post nav ---------- */
.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.post-nav__item{
  display:flex;flex-direction:column;gap:8px;padding:20px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-nav__item:hover{transform:translateY(-2px);border-color:#CBDCF3;box-shadow:var(--sh-hover);}
.post-nav__kicker{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--c-accent);text-transform:uppercase;}
.post-nav__title{font-size:16px;font-weight:700;color:var(--c-text);line-height:1.5;}
.post-nav__item.is-empty .post-nav__title{color:var(--c-text-3);font-weight:600;}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--r-hero);padding:40px;color:#fff;
  background:linear-gradient(90deg,#0B3F7D,#1157A6);
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  box-shadow:var(--sh-card);
}
.cta-band__title{font-size:clamp(20px,2.2vw,26px);font-weight:800;color:#fff;}
.cta-band__sub{font-size:15px;color:rgba(255,255,255,.82);margin-top:8px;}
.cta-band .btn{flex:0 0 auto;}

/* ---------- footer ---------- */
.site-footer{background:#0E1A2E;color:rgba(255,255,255,.7);margin-top:88px;padding:56px 0 0;}
.footer-grid{row-gap:32px;}
.footer-col h3{font-size:13px;letter-spacing:.08em;color:rgba(255,255,255,.5);font-weight:700;margin-bottom:14px;text-transform:uppercase;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .logo__mark{width:36px;height:36px;border-radius:10px;font-size:14px;}
.footer-brand span:last-child{color:#fff;font-size:16px;font-weight:800;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
.footer-col ul li{line-height:2.2;}
.footer-col ul a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-col ul a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- animation ---------- */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.is-in{opacity:1;transform:none;transition:opacity .4s ease,transform .4s ease;}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- responsive ---------- */
@media (min-width:768px){
  :root{--pad-x:32px;}
  .header-search{display:flex;}
  .drawer-toggle{display:none;}
  .article-cover{aspect-ratio:21/9;}
}
@media (min-width:992px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:991px){
  .article-cover{aspect-ratio:16/9;}
}
@media (max-width:767px){
  .logo__text{font-size:15px;white-space:normal;line-height:1.2;max-width:180px;}
  .meta-row .share{margin-left:0;width:100%;}
  .cta-band{padding:24px;}
  .post-nav{grid-template-columns:minmax(0,1fr);}
  .section{padding-top:48px;}
  .site-footer{margin-top:56px;padding-top:40px;}
}
@media (max-width:520px){
  .header-actions .link-quiet{display:none;}
  .article-head h1{font-size:24px;}
  .article-body{font-size:16.5px;}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --c-brand:#1157A6;
  --c-brand-deep:#0B3F7D;
  --c-brand-soft:#E8F0FB;
  --c-accent:#12B5A6;
  --c-accent-deep:#0E8C80;
  --c-hot:#FF6B35;
  --c-hot-deep:#E85A26;
  --c-bg:#F4F7FB;
  --c-surface:#FFFFFF;
  --c-ink:#0F1B2D;
  --c-ink-2:#46536B;
  --c-ink-3:#8492A6;
  --c-line:#E4E9F2;
  --c-footer:#0E1A2E;
  --c-dark:#0B1B33;
  --r-xl:18px;
  --r-lg:14px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(15,27,45,.06);
  --sh-card:0 6px 18px -6px rgba(15,27,45,.12),0 2px 6px rgba(15,27,45,.04);
  --sh-hover:0 16px 34px -12px rgba(17,87,166,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Manrope","Inter",system-ui,-apple-system,sans-serif;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-brand-deep);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-family:var(--font-cn);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
time{font-variant-numeric:tabular-nums;}

/* 覆盖 Foundation 默认样式 */
body,button,input,select,textarea{font-family:var(--font-cn);}
a{color:var(--c-brand);}
a:hover,a:focus{color:var(--c-brand-deep);}
.button,.btn{border-radius:var(--r-sm);}
.grid-x{display:flex;flex-flow:row wrap;}
[type=search]{margin-bottom:0;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;}

/* ============ 通用容器与工具 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media screen and (min-width:64em){
  .container{max-width:1280px;padding-left:32px;padding-right:32px;}
}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--c-brand);color:#fff;padding:10px 16px;border-radius:0 0 var(--r-sm) 0;
}
.skip-link:focus{left:0;color:#fff;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:blur(8px);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 2px 12px rgba(15,27,45,.06);}
.header-bar{display:flex;align-items:center;gap:18px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--c-ink);font-size:17px;letter-spacing:-.01em;flex:0 0 auto;}
.logo:hover{color:var(--c-brand);}
.logo__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#0B3F7D,#1157A6);
  color:#fff;font-size:13px;font-weight:800;letter-spacing:0;
}
.logo__text{white-space:nowrap;}
.header-search{position:relative;flex:1 1 auto;max-width:360px;display:none;}
.header-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--c-ink-3);font-size:14px;}
.header-search input{
  width:100%;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#F9FBFE;
  padding:0 16px 0 40px;font-size:14px;color:var(--c-ink);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.header-search input::placeholder{color:var(--c-ink-3);}
.header-search input:focus{
  background:#fff;border-color:var(--c-brand);
  box-shadow:0 0 0 4px rgba(17,87,166,.12);outline:none;
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.header-actions .btn{display:none;}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:#fff;color:var(--c-brand);
  font-size:17px;transition:background-color .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--c-brand-soft);border-color:#CFE0F6;}
@media screen and (min-width:48em){
  .header-search{display:block;}
  .header-actions .btn{display:inline-flex;}
  .nav-toggle{display:none;}
}
@media screen and (max-width:26em){
  .logo{font-size:13.5px;gap:8px;}
  .logo__mark{width:30px;height:30px;font-size:12px;border-radius:8px;}
}

/* 第二行频道 Tabs */
.nav-tabs{background:#fff;border-bottom:1px solid var(--c-line);position:relative;}
.nav-tabs__inner{
  display:flex;align-items:center;gap:10px;
  height:60px;overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-ms-overflow-style:none;
  position:relative;
}
.nav-tabs__inner::-webkit-scrollbar{display:none;}
.nav-tabs__fade{
  position:absolute;right:0;top:0;bottom:0;width:48px;pointer-events:none;
  background:linear-gradient(90deg,rgba(255,255,255,0),#fff);
}
.pill{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;line-height:1;
  color:var(--c-brand);background:#fff;border:1px solid var(--c-line);
  white-space:nowrap;flex:0 0 auto;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.pill:hover{background:var(--c-brand-soft);color:var(--c-brand-deep);border-color:#CFE0F6;}
.pill.is-active{background:var(--c-brand);color:#fff;border-color:var(--c-brand);}
.pill.is-active:hover{background:var(--c-brand-deep);color:#fff;}

/* ============ 移动端抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(14,26,46,.55);
  display:flex;justify-content:flex-end;
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer__panel{
  width:min(86vw,340px);height:100%;background:#fff;
  padding:20px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s var(--ease);
}
.drawer.is-open .drawer__panel{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer__title{font-size:15px;font-weight:700;color:var(--c-ink);letter-spacing:.04em;}
.drawer__close{
  width:40px;height:40px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);color:var(--c-ink-2);font-size:20px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer__close:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.drawer__search{margin-bottom:18px;}
.drawer__search input{
  width:100%;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#F9FBFE;
  padding:0 16px;font-size:14px;color:var(--c-ink);
}
.drawer__search input:focus{background:#fff;border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(17,87,166,.12);outline:none;}
.drawer__links{display:flex;flex-direction:column;gap:6px;margin-bottom:20px;}
.drawer__links a{
  display:flex;align-items:center;min-height:46px;
  padding:0 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--c-ink-2);
  border:1px solid transparent;
}
.drawer__links a:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.drawer__links a.is-active{background:var(--c-brand);color:#fff;}
.drawer__cta{width:100%;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(0);}
.btn--hot{background:var(--c-hot);color:#fff;box-shadow:0 8px 18px -8px rgba(255,107,53,.65);}
.btn--hot:hover{background:var(--c-hot-deep);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -10px rgba(255,107,53,.6);}
.btn--brand{background:var(--c-brand);color:#fff;box-shadow:0 8px 18px -10px rgba(17,87,166,.7);}
.btn--brand:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-1px);}
.btn--ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.55);}
.btn--ghost:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-1px);}
.btn--outline{background:#fff;color:var(--c-brand);border-color:var(--c-line);}
.btn--outline:hover{background:var(--c-brand-soft);color:var(--c-brand-deep);border-color:#CFE0F6;}

/* ============ 标签 ============ */
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--c-brand-soft);color:var(--c-brand-deep);
}
.tag--accent{background:rgba(18,181,166,.14);color:var(--c-accent-deep);}
.tag--muted{background:#F1F4F9;color:var(--c-ink-2);}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:#0B1B33 url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  color:#fff;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(9,20,38,.94) 0%,rgba(11,63,125,.78) 48%,rgba(11,63,125,.3) 100%);
}
.cat-hero__inner{position:relative;z-index:2;max-width:760px;padding:48px 0 52px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:18px;}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span[aria-current]{color:rgba(255,255,255,.68);}
.badge{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.06em;
  background:rgba(18,181,166,.2);color:#8FF0E5;border:1px solid rgba(18,181,166,.42);
  margin-bottom:16px;
}
.cat-hero h1{
  color:#fff;font-size:clamp(28px,3.4vw,44px);font-weight:800;
  line-height:1.2;letter-spacing:-.01em;margin-bottom:14px;
}
.cat-hero__sub{font-size:16px;line-height:1.7;color:rgba(255,255,255,.82);max-width:620px;}
.cat-hero__metrics{
  display:flex;flex-wrap:wrap;gap:14px 34px;margin-top:26px;
  padding-top:22px;border-top:1px solid rgba(255,255,255,.16);
}
.metric{display:flex;flex-direction:column;gap:2px;}
.metric strong{font-family:var(--font-num);font-size:22px;font-weight:800;color:#fff;line-height:1.2;}
.metric span{font-size:13px;color:rgba(255,255,255,.62);}

/* ============ 板块 ============ */
.section{padding:64px 0;}
@media screen and (max-width:47.9375em){.section{padding:40px 0;}}
.section--tight{padding-top:36px;}
.section--cta{padding-bottom:88px;}
.sect--dark{
  background:linear-gradient(160deg,#0B1B33 0%,#0B3F7D 100%);
  color:#fff;
}
.sect--dark h2,.sect--dark h3{color:#fff;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:30px;}
.section-head h2{
  font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3;letter-spacing:-.01em;
  display:flex;align-items:center;gap:12px;
}
.section-head h2::before{content:"";width:4px;height:22px;border-radius:2px;background:var(--c-brand);flex:0 0 auto;}
.section-head p{margin-top:8px;font-size:14px;color:var(--c-ink-2);}
.section-head__link{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;min-height:44px;}
.sect--dark .section-head h2::before{background:var(--c-accent);}
.sect--dark .section-head p{color:rgba(255,255,255,.68);}
.sect--dark .section-head__link{color:#8FF0E5;}

/* ============ 筛选条 ============ */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px;
  padding:22px 0 6px;justify-content:flex-start;
}
.filter-bar__label{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--c-ink-3);}
.filter-pills{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14px;font-weight:600;
  background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{background:var(--c-brand-soft);color:var(--c-brand);border-color:#CFE0F6;}
.chip.is-active{background:var(--c-brand);border-color:var(--c-brand);color:#fff;}

/* ============ 卡片网格 ============ */
.cards-grid{margin-left:-12px;margin-right:-12px;}
.cards-grid > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px;}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.card__cover{
  position:relative;display:block;aspect-ratio:16/9;overflow:hidden;
  background:linear-gradient(135deg,#0B3F7D,#1157A6);
}
.card__cover img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .32s var(--ease);
}
.card__cover::after{
  content:"";position:absolute;inset:0;background:rgba(11,63,125,0);
  transition:background .28s ease;
}
.card__body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card__tags{display:flex;flex-wrap:wrap;gap:8px;}
.card__title{font-size:18px;font-weight:700;line-height:1.42;}
.card__title a{color:var(--c-ink);display:block;}
.card__excerpt{
  font-size:14px;line-height:1.72;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card__meta{
  margin-top:auto;display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--c-ink-3);padding-top:4px;
}
.card__meta .dot{color:var(--c-line);}
@media (hover:hover){
  .card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
  .card:hover .card__cover img{transform:scale(1.06);}
  .card:hover .card__cover::after{background:rgba(11,63,125,.18);}
  .card:hover .card__title a{color:var(--c-brand);}
}

/* ============ 图文分栏 + 清单 ============ */
.split{display:grid;gap:32px;align-items:center;}
@media screen and (min-width:64em){
  .split{grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:44px;}
}
.split__media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-card);
  aspect-ratio:16/11;background:linear-gradient(135deg,#0B3F7D,#1157A6);
}
.split__media img{width:100%;height:100%;object-fit:cover;}
.split__media figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 18px;font-size:13px;color:#fff;
  background:linear-gradient(0deg,rgba(9,20,38,.86),rgba(9,20,38,0));
}
.split__body h2{margin-bottom:12px;}
.split__lead{font-size:15px;line-height:1.8;color:var(--c-ink-2);margin-bottom:22px;}
.checklist{display:grid;gap:12px;}
.checklist li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-md);box-shadow:var(--sh-sm);
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.checklist li:hover{background:var(--c-brand-soft);border-color:#CFE0F6;}
.checklist__idx{
  flex:0 0 auto;width:30px;height:30px;border-radius:9px;
  background:var(--c-brand-soft);color:var(--c-brand);
  font-family:var(--font-num);font-weight:800;font-size:13px;
  display:flex;align-items:center;justify-content:center;
}
.checklist__text strong{display:block;font-size:15px;font-weight:700;margin-bottom:2px;}
.checklist__text span{font-size:14px;line-height:1.7;color:var(--c-ink-2);}

/* ============ 流程步骤 ============ */
.steps{display:grid;gap:20px;}
@media screen and (min-width:40em){.steps{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media screen and (min-width:64em){.steps{grid-template-columns:repeat(4,minmax(0,1fr));}}
.step{
  position:relative;padding:26px 22px 24px;border-radius:var(--r-lg);
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-card);
  transition:background-color .24s ease,border-color .24s ease,transform .24s ease;
}
.step__num{
  font-family:var(--font-num);font-size:36px;font-weight:800;line-height:1;
  color:rgba(17,87,166,.22);letter-spacing:-.03em;margin-bottom:14px;display:block;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.72;color:var(--c-ink-2);}
.sect--dark .step{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.16);box-shadow:none;}
.sect--dark .step__num{color:rgba(255,255,255,.24);}
.sect--dark .step p{color:rgba(255,255,255,.72);}
@media (hover:hover){
  .sect--dark .step:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.28);transform:translateY(-3px);}
}

/* ============ FAQ ============ */
.faq{display:grid;gap:12px;max-width:920px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-sm);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#CFE0F6;}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--c-ink);
  cursor:pointer;list-style:none;transition:box-shadow .24s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:22px;font-weight:600;line-height:1;
  color:var(--c-brand);transition:transform .24s ease,color .2s ease;
}
.faq-item[open] summary{box-shadow:inset 3px 0 0 var(--c-brand);color:var(--c-brand-deep);}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-item__body{padding:0 22px 20px;font-size:15px;line-height:1.78;color:var(--c-ink-2);}

/* ============ CTA 横幅 ============ */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  padding:40px;border-radius:var(--r-xl);color:#fff;
  background:linear-gradient(90deg,#0B3F7D,#1157A6);
  box-shadow:0 20px 40px -22px rgba(11,63,125,.7);
}
.cta-band__text h2{color:#fff;font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.35;margin-bottom:8px;}
.cta-band__text p{font-size:15px;color:rgba(255,255,255,.8);}
@media screen and (max-width:47.9375em){
  .cta-band{padding:26px;border-radius:var(--r-lg);}
  .cta-band .btn{width:100%;}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-footer);color:rgba(255,255,255,.72);padding:56px 0 24px;}
.footer-grid{margin-bottom:12px;}
.footer-grid > .cell{margin-bottom:28px;}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:16px;font-weight:800;color:#fff;margin-bottom:12px;
}
.footer-brand:hover{color:#8FF0E5;}
.footer-brand .logo__mark{background:linear-gradient(135deg,#1157A6,#12B5A6);}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:320px;}
.footer-col h3{
  font-size:13px;font-weight:700;letter-spacing:.1em;color:rgba(255,255,255,.5);
  margin-bottom:14px;
}
.footer-col ul li{line-height:1;}
.footer-col ul a{
  display:inline-flex;align-items:center;min-height:36px;
  font-size:14px;color:rgba(255,255,255,.72);
}
.footer-col ul a:hover{color:var(--c-accent);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:16px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ============ 入场动效 ============ */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease;}
.js .reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .js .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --c-brand:#1157A6;
  --c-brand-deep:#0B3F7D;
  --c-brand-soft:#E8F0FB;
  --c-accent:#12B5A6;
  --c-accent-deep:#0E8C80;
  --c-hot:#FF6B35;
  --c-ink:#0E1A2E;
  --c-bg:#F4F7FB;
  --c-surface:#FFFFFF;
  --c-text:#0F1B2D;
  --c-text-2:#46536B;
  --c-text-3:#8492A6;
  --c-line:#E4E9F2;
  --r-hero:18px;
  --r-card:14px;
  --r-sm:10px;
  --r-img:12px;
  --sh-sm:0 1px 2px rgba(15,27,45,.06);
  --sh-card:0 6px 18px -6px rgba(15,27,45,.12),0 2px 6px rgba(15,27,45,.04);
  --sh-hover:0 16px 34px -12px rgba(17,87,166,.28);
  --container:1200px;
  --header-h:112px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;font-family:inherit;font-weight:700;line-height:1.3;color:inherit}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-brand-deep)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
time{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:16px;top:-64px;z-index:120;background:var(--c-brand);color:#fff;padding:10px 18px;border-radius:0 0 10px 10px;transition:top .2s ease}
.skip-link:focus{top:0;color:#fff}

/* ---------- Foundation 覆盖 ---------- */
.grid-x{display:flex;flex-flow:row wrap}
.grid-padding-x{margin-left:-12px;margin-right:-12px}
.grid-padding-x>.cell{padding-left:12px;padding-right:12px}
.grid-x>.cell{min-width:0}
.button,.label,.badge{font-family:inherit}
table{border-collapse:collapse}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:992px){.container{padding-left:32px;padding-right:32px}}
@media (min-width:1440px){:root{--container:1280px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-sm);
  border:1px solid transparent;font-size:14px;font-weight:600;letter-spacing:.01em;
  white-space:nowrap;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-hot{background:var(--c-hot);color:#fff;box-shadow:0 8px 18px -8px rgba(255,107,53,.85)}
.btn-hot:hover{background:#F2551A;color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -12px rgba(255,107,53,.9)}
.btn-hot:active{transform:translateY(0)}
.btn-brand{background:var(--c-brand);color:#fff;box-shadow:0 8px 18px -10px rgba(17,87,166,.9)}
.btn-brand:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-1px)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:#fff;color:var(--c-brand-deep);border-color:#fff}
.btn-block{width:100%}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .24s ease}
.site-header.is-scrolled{box-shadow:0 2px 12px rgba(15,27,45,.08);background:rgba(255,255,255,.96);backdrop-filter:blur(8px)}
.header-top__inner{display:flex;align-items:center;gap:16px;height:64px}
.logo{display:inline-flex;align-items:center;gap:9px;flex:0 0 auto}
.logo__mark{
  display:inline-flex;align-items:center;justify-content:center;height:30px;padding:0 10px;border-radius:9px;
  background:linear-gradient(135deg,#1157A6,#0B3F7D);color:#fff;font-size:14px;font-weight:800;letter-spacing:.02em;
}
.logo__text{font-size:16px;font-weight:800;color:var(--c-text);letter-spacing:-.01em;white-space:nowrap}
.logo:hover .logo__text{color:var(--c-brand)}
.header-search{position:relative;flex:1 1 auto;max-width:400px;margin-left:12px;display:none}
.header-search i{position:absolute;left:15px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--c-text-3);pointer-events:none}
.header-search input{
  width:100%;height:40px;border-radius:999px;border:1px solid var(--c-line);background:#F7F9FC;
  padding:0 16px 0 40px;font-size:14px;color:var(--c-text);transition:border-color .2s,box-shadow .2s,background-color .2s;
}
.header-search input::placeholder{color:var(--c-text-3)}
.header-search input:focus{outline:none;background:#fff;border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(17,87,166,.12)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.link-login{font-size:14px;font-weight:500;color:var(--c-text-2)}
.link-login:hover{color:var(--c-brand)}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
  border:1px solid var(--c-line);border-radius:12px;color:var(--c-brand);background:#fff;transition:.2s;
}
.nav-toggle:hover{background:var(--c-brand-soft);border-color:#CFE0F5}
@media (min-width:768px){.header-search{display:block}}
@media (min-width:992px){.nav-toggle{display:none}}
@media (max-width:991px){.link-login{display:none}}
@media (max-width:480px){.logo__text{font-size:14px}.logo__mark{height:28px;padding:0 8px;font-size:13px}}

.nav-tabs{position:relative;background:#fff;border-top:1px solid var(--c-line)}
.nav-tabs::after{
  content:"";position:absolute;top:1px;right:0;width:52px;height:48px;pointer-events:none;
  background:linear-gradient(90deg,rgba(255,255,255,0),#fff 72%);
}
.nav-tabs__inner{
  display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;scroll-snap-type:x proximity;
}
.nav-tabs__inner::-webkit-scrollbar{display:none}
.nav-tabs__fade{display:none}
.pill{
  flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-brand);font-size:14px;font-weight:500;
  scroll-snap-align:start;transition:background-color .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.pill:hover{background:var(--c-brand-soft);border-color:#CFE0F5;color:var(--c-brand-deep)}
.pill.is-active{background:var(--c-brand);border-color:var(--c-brand);color:#fff;box-shadow:0 6px 14px -8px rgba(17,87,166,.95)}
.pill.is-active:hover{background:var(--c-brand-deep);color:#fff}
@media (min-width:992px){.nav-tabs::after{display:none}}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;display:none}
.drawer.is-open{display:block}
.drawer__mask{position:absolute;inset:0;background:rgba(14,26,46,.55)}
.drawer__panel{
  position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;overflow-y:auto;background:#fff;
  padding:20px;display:flex;flex-direction:column;gap:20px;box-shadow:-12px 0 40px rgba(15,27,45,.22);
}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer__close{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;color:var(--c-text-2)}
.drawer__close:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.drawer__search{position:relative}
.drawer__search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--c-text-3)}
.drawer__search input{width:100%;height:44px;border-radius:999px;border:1px solid var(--c-line);background:#F7F9FC;padding:0 16px 0 38px;font-size:14px}
.drawer__search input:focus{outline:none;border-color:var(--c-brand);background:#fff;box-shadow:0 0 0 4px rgba(17,87,166,.12)}
.drawer__nav{display:flex;flex-direction:column;gap:6px}
.drawer__nav a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:var(--c-text-2);border:1px solid transparent;transition:.2s;
}
.drawer__nav a:hover{background:var(--c-brand-soft);color:var(--c-brand-deep)}
.drawer__nav a.is-active{background:var(--c-brand-soft);border-color:#CFE0F5;color:var(--c-brand-deep);font-weight:600}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;overflow:hidden;display:flex;align-items:center;min-height:240px;background:#0B3F7D}
.cat-hero__bg{position:absolute;inset:0;background-position:center;background-size:cover;transform:scale(1.03)}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(9,30,56,.95) 0%,rgba(11,63,125,.8) 46%,rgba(11,63,125,.34) 100%);
}
.cat-hero__inner{position:relative;z-index:2;padding-top:44px;padding-bottom:44px}
@media (min-width:992px){.cat-hero{min-height:270px}.cat-hero__inner{padding-top:56px;padding-bottom:56px}}
.badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);color:#E8F0FB;
  font-size:12px;font-weight:500;letter-spacing:.05em;
}
.cat-hero h1{
  margin:16px 0 12px;color:#fff;font-size:clamp(26px,3.2vw,42px);font-weight:800;
  letter-spacing:-.01em;line-height:1.2;max-width:24ch;
}
.cat-hero p{color:rgba(255,255,255,.8);font-size:15px;max-width:56ch}

/* ---------- 筛选条 ---------- */
.filter-bar{background:#fff;border-bottom:1px solid var(--c-line)}
.filter-bar__inner{display:flex;align-items:center;gap:10px;padding-top:14px;padding-bottom:14px;overflow-x:auto;scrollbar-width:none}
.filter-bar__inner::-webkit-scrollbar{display:none}
.filter-label{flex:0 0 auto;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--c-text-3);margin-right:2px}
.filter-pill{
  flex:0 0 auto;height:36px;padding:0 16px;border-radius:999px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-text-2);font-size:13px;font-weight:500;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.filter-pill:hover{background:var(--c-brand-soft);border-color:#CFE0F5;color:var(--c-brand)}
.filter-pill.is-active{background:var(--c-brand-soft);border-color:var(--c-brand);color:var(--c-brand-deep);font-weight:600}

/* ---------- 板块通用 ---------- */
.section{padding-top:48px;padding-bottom:48px}
@media (min-width:992px){.section{padding-top:72px;padding-bottom:72px}}
.section-head{margin-bottom:26px}
.section-head h2{
  display:flex;align-items:center;gap:12px;font-size:clamp(21px,2.3vw,28px);font-weight:800;letter-spacing:-.01em;
}
.section-head h2::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--c-brand);flex:0 0 auto}
.section-head p{margin-top:8px;font-size:14px;color:var(--c-text-2)}

/* ---------- 左栏 + 行式列表 ---------- */
.layout-cat{align-items:flex-start}
.layout-cat__side{display:none}
.layout-cat__main{width:100%}
@media (min-width:992px){
  .layout-cat__side{display:block;flex:0 0 232px;width:232px;padding-right:28px}
  .layout-cat__main{flex:1 1 auto;width:calc(100% - 232px);min-width:0}
}
.side-panel{
  position:sticky;top:calc(var(--header-h) + 16px);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-sm);
  padding:18px;margin-bottom:20px;
}
.side-panel__title{font-size:14px;font-weight:700;color:var(--c-text);padding-left:10px;border-left:3px solid var(--c-brand);margin-bottom:10px}
.side-list{margin-bottom:16px}
.side-list:last-child{margin-bottom:0}
.side-item{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:44px;padding:0 10px;border-radius:9px;font-size:14px;color:var(--c-text-2);
  transition:background-color .2s ease,color .2s ease,padding-left .2s ease;
}
.side-item:hover{background:var(--c-brand-soft);color:var(--c-brand-deep);padding-left:14px}
.side-item.is-active{background:var(--c-brand-soft);color:var(--c-brand-deep);font-weight:600}
.side-item__count{font-size:12px;color:var(--c-text-3);font-variant-numeric:tabular-nums}
.side-note{font-size:13px;line-height:1.7;color:var(--c-text-3);padding-top:12px;border-top:1px solid var(--c-line)}

.row-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden}
.row-item{display:flex;gap:20px;padding:20px;border-bottom:1px solid var(--c-line);transition:background-color .2s ease}
.row-item:last-child{border-bottom:0}
.row-item__thumb{
  flex:0 0 260px;width:260px;border-radius:var(--r-img);overflow:hidden;position:relative;
  background:linear-gradient(135deg,#1157A6,#0B3F7D);
}
.row-item__thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .32s cubic-bezier(.2,.7,.3,1)}
.row-item__body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:8px}
.row-item__tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;
  font-size:12px;font-weight:500;letter-spacing:.02em;background:rgba(18,181,166,.12);color:var(--c-accent-deep);
}
.tag--soft{background:var(--c-brand-soft);color:var(--c-brand)}
.row-item__title{font-size:19px;font-weight:700;line-height:1.4;color:var(--c-text);transition:color .2s ease}
.row-item__desc{
  font-size:14px;line-height:1.7;color:var(--c-text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.row-item__meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--c-text-3);margin-top:auto}
.row-item__arrow{align-self:center;font-size:14px;color:var(--c-text-3);transition:transform .2s ease,color .2s ease;display:none}
@media (hover:hover){
  .row-item:hover{background:var(--c-brand-soft)}
  .row-item:hover .row-item__thumb img{transform:scale(1.06)}
  .row-item:hover .row-item__title{color:var(--c-brand)}
  .row-item:hover .row-item__arrow{transform:translateX(4px);color:var(--c-brand)}
}
@media (min-width:768px){.row-item__arrow{display:block}}
@media (min-width:768px) and (max-width:991px){.row-item__thumb{flex:0 0 200px;width:200px}}
@media (max-width:767px){
  .row-item{flex-direction:column;gap:14px;padding:16px}
  .row-item__thumb{flex:0 0 auto;width:100%}
  .row-item__title{font-size:17px}
}

.img-fallback{position:relative;background:linear-gradient(135deg,#1157A6,#0B3F7D);min-height:170px}
.img-fallback::after{
  content:"九游电子娱乐pg官网入口";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.65);font-size:13px;letter-spacing:.08em;
}

/* ---------- 数据面板 ---------- */
.section--stats{background:linear-gradient(180deg,#0E1A2E,#12264A);color:#fff}
.section--stats .section-head h2{color:#fff}
.section--stats .section-head h2::before{background:var(--c-accent)}
.section--stats .section-head p{color:rgba(255,255,255,.62)}
.stat-grid{margin-top:8px}
.stat-card{
  height:100%;padding:22px;border-radius:var(--r-card);
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);
  transition:transform .2s ease,border-color .2s ease,background-color .2s ease;
}
.stat-card:hover{transform:translateY(-3px);border-color:rgba(18,181,166,.5);background:rgba(255,255,255,.08)}
.stat-card__num{display:block;font-size:clamp(28px,3vw,36px);font-weight:800;line-height:1.1;color:#fff;letter-spacing:-.02em}
.stat-card__num em{font-style:normal;font-size:16px;font-weight:700;color:var(--c-accent);margin-left:3px}
.stat-card h3{margin:10px 0 6px;font-size:15px;color:#fff}
.stat-card p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.6)}

/* ---------- 场景区 ---------- */
.scene-media{border-radius:var(--r-hero);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-card);background:linear-gradient(135deg,#1157A6,#0B3F7D)}
.scene-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.scene-copy h2{font-size:clamp(21px,2.3vw,28px);font-weight:800;letter-spacing:-.01em;margin-bottom:10px}
.scene-copy>p{font-size:15px;color:var(--c-text-2);margin-bottom:8px}
.scene-list{margin-top:14px}
.scene-list li{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--c-line)}
.scene-list li:last-child{border-bottom:0}
.scene-list__no{flex:0 0 auto;font-size:17px;font-weight:800;color:var(--c-brand);letter-spacing:.02em;font-variant-numeric:tabular-nums;padding-top:2px}
.scene-list h3{font-size:16px;margin-bottom:4px}
.scene-list p{font-size:14px;color:var(--c-text-2)}

/* ---------- 时间线 ---------- */
.section--flow{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.timeline::before{
  content:"";position:absolute;left:0;right:0;top:22px;height:2px;
  background:linear-gradient(90deg,var(--c-brand) 0%,rgba(17,87,166,.12) 100%);
}
.timeline__item{position:relative;padding-top:56px}
.timeline__dot{
  position:absolute;top:5px;left:0;z-index:1;display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;background:#fff;border:2px solid var(--c-brand);
  color:var(--c-brand);font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
}
.timeline__item h3{font-size:16px;margin-bottom:6px}
.timeline__item p{font-size:14px;color:var(--c-text-2)}
@media (max-width:991px){
  .timeline{grid-template-columns:repeat(2,1fr);gap:20px}
  .timeline::before{display:none}
  .timeline__item{padding-top:0}
  .timeline__dot{position:static;margin-bottom:10px}
}
@media (max-width:575px){.timeline{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-sm);
  margin-bottom:12px;overflow:hidden;
}
.faq-item summary{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--c-text);cursor:pointer;
  list-style:none;transition:background-color .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-brand);
  transform:scaleY(0);transition:transform .24s ease;
}
.faq-item[open] summary::before{transform:scaleY(1)}
.faq-item summary:hover{background:var(--c-brand-soft)}
.faq-icon{position:relative;flex:0 0 auto;width:16px;height:16px;color:var(--c-brand)}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:0;top:50%;width:16px;height:2px;border-radius:2px;background:currentColor;
  transition:transform .24s ease,opacity .24s ease;
}
.faq-icon::before{transform:translateY(-50%)}
.faq-icon::after{transform:translateY(-50%) rotate(90deg)}
.faq-item[open] .faq-icon::after{transform:translateY(-50%) rotate(0deg);opacity:0}
.faq-item__body{padding:0 20px 18px;font-size:14px;line-height:1.78;color:var(--c-text-2)}
.faq-item__body p{max-width:66ch}
.faq-item__body a{font-weight:600}

/* ---------- CTA ---------- */
.cta-banner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:40px;border-radius:var(--r-hero);
  background:linear-gradient(90deg,#0B3F7D,#1157A6);
  box-shadow:0 24px 44px -26px rgba(11,63,125,.75);
}
.cta-banner h2{color:#fff;font-size:clamp(20px,2.2vw,26px);margin-bottom:8px;letter-spacing:-.01em}
.cta-banner p{color:rgba(255,255,255,.74);font-size:14px}
@media (max-width:767px){.cta-banner{flex-direction:column;align-items:flex-start;padding:24px;gap:20px}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.7);padding-top:56px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr;gap:26px}}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;
  font-size:16px;font-weight:800;color:#fff;
}
.footer-brand:hover{color:var(--c-accent)}
.footer-brand .logo__mark{background:linear-gradient(135deg,#1157A6,#12B5A6)}
.footer-col h3{
  font-size:13px;font-weight:600;letter-spacing:.08em;color:rgba(255,255,255,.5);margin-bottom:14px;
}
.footer-col ul li{line-height:2.2}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--c-accent)}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:34ch}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  margin-top:40px;padding:20px 0;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--c-accent)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --c-brand:#1157A6;
  --c-brand-deep:#0B3F7D;
  --c-brand-soft:#E8F0FB;
  --c-accent:#12B5A6;
  --c-hot:#FF6B35;
  --c-bg:#F4F7FB;
  --c-surface:#FFFFFF;
  --c-ink:#0F1B2D;
  --c-ink-2:#46536B;
  --c-ink-3:#8492A6;
  --c-line:#E4E9F2;
  --c-dark:#0E1A2E;
  --r-lg:14px;
  --r-md:10px;
  --r-sm:8px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(15,27,45,.06);
  --sh-card:0 6px 18px -6px rgba(15,27,45,.12), 0 2px 6px rgba(15,27,45,.04);
  --sh-hover:0 16px 34px -12px rgba(17,87,166,.28);
  --container:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,Segoe UI,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,dl,dd{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input{font:inherit;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:992px){
  .container{padding:0 32px;}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 2px 12px rgba(15,27,45,.06);}
.header-top__inner{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:64px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:17px;
  letter-spacing:-.01em;
  color:var(--c-brand);
  white-space:nowrap;
}
.logo__mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:44px;
  height:32px;
  padding:0 9px;
  border-radius:9px;
  background:linear-gradient(135deg,var(--c-brand-deep),var(--c-brand));
  color:#fff;
  font-size:15px;
  font-weight:800;
  letter-spacing:.02em;
}
.logo__text{display:none;}
@media (min-width:768px){
  .logo__text{display:inline;}
}

.header-search{
  flex:1 1 auto;
  display:none;
  align-items:center;
  gap:8px;
  max-width:420px;
  height:40px;
  padding:0 6px 0 16px;
  background:var(--c-bg);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
@media (min-width:768px){
  .header-search{display:flex;}
}
.header-search i{color:var(--c-ink-3);font-size:14px;}
.header-search input{
  flex:1;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  color:var(--c-ink);
  font-size:14px;
}
.header-search input::placeholder{color:var(--c-ink-3);}
.header-search input:focus{outline:none;}
.header-search:focus-within{
  background:#fff;
  border-color:var(--c-brand);
  box-shadow:0 0 0 4px rgba(17,87,166,.12);
}
.header-search button{
  flex:0 0 auto;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--c-brand);
  color:#fff;
  font-size:13px;
  font-weight:600;
  transition:background .2s ease;
}
.header-search button:hover{background:var(--c-brand-deep);}

.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.header-link{
  display:none;
  font-size:14px;
  color:var(--c-ink-2);
  font-weight:500;
}
@media (min-width:768px){
  .header-link{display:inline-flex;}
}
.header-link:hover{color:var(--c-brand);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn--hot{
  background:var(--c-hot);
  color:#fff;
  box-shadow:0 8px 18px -10px rgba(255,107,53,.9);
}
.btn--primary{
  background:var(--c-brand);
  color:#fff;
  box-shadow:0 8px 18px -10px rgba(17,87,166,.85);
}
.btn--ghost{
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.6);
}
.btn--outline{
  background:#fff;
  color:var(--c-brand);
  border:1px solid var(--c-line);
  box-shadow:var(--sh-sm);
}
@media (hover:hover){
  .btn:hover{transform:translateY(-1px);}
  .btn--hot:hover{background:#f05c26;box-shadow:0 14px 26px -12px rgba(255,107,53,.95);}
  .btn--primary:hover{background:var(--c-brand-deep);box-shadow:var(--sh-hover);}
  .btn--ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;}
  .btn--outline:hover{border-color:var(--c-brand);color:var(--c-brand-deep);}
}
.btn:active{transform:translateY(0);}

.nav-toggle{
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;
  height:44px;
  padding:0 11px;
  border-radius:var(--r-md);
  border:1px solid var(--c-line);
  background:#fff;
}
.nav-toggle span{
  display:block;
  height:2px;
  border-radius:2px;
  background:var(--c-ink);
}
@media (min-width:992px){
  .nav-toggle{display:none;}
}

.nav-tabs{
  position:relative;
  border-top:1px solid var(--c-line);
  background:rgba(255,255,255,.96);
}
.nav-tabs__inner{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  height:48px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  white-space:nowrap;
}
.nav-tabs__inner::-webkit-scrollbar{display:none;}
.pill{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:#fff;
  color:var(--c-brand);
  font-size:14px;
  font-weight:600;
  transition:background .2s ease, color .2s ease, border-color .2s ease;
}
.pill:hover{background:var(--c-brand-soft);border-color:var(--c-brand-soft);}
.pill.is-active{
  background:var(--c-brand);
  border-color:var(--c-brand);
  color:#fff;
}
.nav-tabs__fade{
  position:absolute;
  right:0;
  top:0;
  width:36px;
  height:100%;
  pointer-events:none;
  background:linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,.96));
}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;
  inset:0;
  z-index:120;
  display:flex;
  justify-content:flex-end;
  background:rgba(14,26,46,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease, visibility .25s ease;
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer__panel{
  width:min(320px,86vw);
  height:100%;
  padding:20px;
  background:#fff;
  overflow-y:auto;
  transform:translateX(12px);
  transition:transform .28s ease;
}
.drawer.is-open .drawer__panel{transform:translateX(0);}
.drawer__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:18px;
}
.drawer__close{
  width:40px;
  height:40px;
  border-radius:var(--r-md);
  border:1px solid var(--c-line);
  font-size:18px;
  color:var(--c-ink-2);
}
.drawer__search{
  display:flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 14px;
  margin-bottom:18px;
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  background:var(--c-bg);
}
.drawer__search input{flex:1;min-width:0;border:0;background:transparent;font-size:14px;}
.drawer__search input:focus{outline:none;}
.drawer__group-title{
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--c-ink-3);
  margin:16px 0 10px;
}
.drawer__list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:46px;
  padding:0 14px;
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:600;
  color:var(--c-ink);
}
.drawer__list a:hover{background:var(--c-brand-soft);color:var(--c-brand-deep);}
.drawer__list a.is-active{background:var(--c-brand);color:#fff;}
.drawer__cta{margin-top:20px;width:100%;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  display:flex;
  align-items:flex-end;
  min-height:250px;
  padding:36px 0 32px;
  color:#fff;
  overflow:hidden;
  background-color:var(--c-brand-deep);
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg, rgba(11,26,46,.94) 0%, rgba(11,63,125,.72) 52%, rgba(17,87,166,.24) 100%);
}
.cat-hero .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:14px;
}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb span[aria-current]{color:#fff;}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 12px;
  margin-bottom:14px;
  border-radius:var(--r-pill);
  background:rgba(18,181,166,.16);
  border:1px solid rgba(18,181,166,.5);
  color:#7fe6dc;
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
}
.cat-hero__title{
  font-size:clamp(26px,3.2vw,40px);
  font-weight:800;
  line-height:1.22;
  letter-spacing:-.01em;
}
.cat-hero__title .title-dot{
  color:var(--c-accent);
  margin:0 6px;
  font-weight:700;
}
.cat-hero__desc{
  max-width:660px;
  margin-top:12px;
  font-size:15px;
  line-height:1.8;
  color:rgba(255,255,255,.82);
}

/* ---------- 筛选条 ---------- */
.filter-bar{
  position:relative;
  z-index:2;
  margin-top:-22px;
  padding:16px 18px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
}
.filter-bar__inner{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}
.filter-bar__label{
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--c-ink-3);
  margin-right:4px;
}
.chip{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 15px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-bg);
  color:var(--c-ink-2);
  font-size:13.5px;
  font-weight:600;
  transition:background .2s ease, color .2s ease, border-color .2s ease;
}
.chip:hover{background:var(--c-brand-soft);color:var(--c-brand-deep);border-color:var(--c-brand-soft);}
.chip.is-active{background:var(--c-brand);border-color:var(--c-brand);color:#fff;}

/* ---------- 主体布局 ---------- */
.cat-body{
  display:grid;
  gap:32px;
  padding:52px 0 8px;
}
@media (min-width:992px){
  .cat-body{
    grid-template-columns:minmax(0,1fr) 300px;
    gap:36px;
    padding-top:64px;
  }
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:24px;
}
.section-head__title{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  font-size:clamp(20px,2.2vw,26px);
  font-weight:700;
  line-height:1.3;
}
.section-head__title::before{
  content:"";
  flex:0 0 auto;
  width:4px;
  height:20px;
  border-radius:2px;
  background:var(--c-brand);
}
.section-head__sub{
  margin-top:6px;
  font-size:14px;
  color:var(--c-ink-2);
}
.section-head__more{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--c-brand);
}
.section-head__more:hover{color:var(--c-brand-deep);}

/* ---------- 条目网格（四列紧凑） ---------- */
.entry-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
}
@media (min-width:576px){
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:768px) and (max-width:991px){
  .entry-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (min-width:992px){
  .entry-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
}
@media (min-width:1200px){
  .entry-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
}

.entry-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
  overflow:hidden;
  transition:transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}
.entry-card__media{
  position:relative;
  aspect-ratio:3 / 4;
  background:linear-gradient(140deg,var(--c-brand-deep),var(--c-brand));
  overflow:hidden;
}
.entry-card__media::after{
  content:"九游电子娱乐pg官网入口";
  position:absolute;
  left:12px;
  bottom:12px;
  z-index:0;
  font-size:12px;
  letter-spacing:.05em;
  color:rgba(255,255,255,.5);
}
.entry-card__media img{
  position:relative;
  z-index:1;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .32s cubic-bezier(.2,.7,.3,1);
}
.entry-card__body{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:14px 16px 16px;
}
.entry-card__title{
  font-size:16px;
  font-weight:700;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s ease;
}
.entry-card__meta{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  color:var(--c-ink-3);
}
.entry-card__meta .dot{
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--c-line);
}
.entry-card__tag{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 9px;
  border-radius:var(--r-pill);
  background:var(--c-brand-soft);
  color:var(--c-brand-deep);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}
.entry-card__link{
  position:absolute;
  inset:0;
  z-index:2;
  border-radius:var(--r-lg);
}
@media (hover:hover){
  .entry-card:hover{
    transform:translateY(-4px);
    border-color:#cfe0f5;
    box-shadow:var(--sh-hover);
  }
  .entry-card:hover .entry-card__media img{transform:scale(1.06);}
  .entry-card:hover .entry-card__title{color:var(--c-brand);}
}
.entry-card:focus-within{border-color:var(--c-brand);}

/* ---------- 侧栏 ---------- */
.sidebar{
  display:grid;
  gap:20px;
  align-content:start;
}
@media (min-width:992px){
  .sidebar{position:sticky;top:132px;}
}
.side-panel{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
  padding:20px;
}
.side-panel__title{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:700;
  margin-bottom:16px;
}
.side-panel__title i{color:var(--c-accent);font-size:14px;}
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--c-bg);
  border:1px solid var(--c-line);
  color:var(--c-ink-2);
  font-size:12.5px;
  font-weight:500;
  transition:background .2s ease, color .2s ease, border-color .2s ease;
}
.tag:hover{background:var(--c-brand-soft);border-color:var(--c-brand-soft);color:var(--c-brand-deep);}

.rank-list li + li{border-top:1px solid var(--c-line);}
.rank-item{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:12px 0;
  transition:background .2s ease;
}
.rank-item__no{
  flex:0 0 auto;
  width:24px;
  font-size:17px;
  font-weight:800;
  line-height:1.5;
  color:var(--c-ink-3);
  transition:color .2s ease;
}
.rank-item__text{min-width:0;}
.rank-item__title{
  font-size:14px;
  font-weight:600;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rank-item__meta{
  margin-top:4px;
  font-size:12px;
  color:var(--c-ink-3);
}
.rank-item__arrow{
  margin-left:auto;
  align-self:center;
  color:var(--c-ink-3);
  font-size:12px;
  transition:transform .2s ease, color .2s ease;
}
@media (hover:hover){
  .rank-item:hover .rank-item__no{color:var(--c-brand);}
  .rank-item:hover .rank-item__title{color:var(--c-brand);}
  .rank-item:hover .rank-item__arrow{transform:translateX(4px);color:var(--c-brand);}
}

/* ---------- 深色环节时间线 ---------- */
.steps{
  position:relative;
  margin-top:72px;
  padding:64px 0;
  color:#fff;
  background-color:#0E1A2E;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.steps::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(14,26,46,.94), rgba(11,63,125,.88));
}
.steps .container{position:relative;z-index:1;}
.steps .section-head__title{color:#fff;}
.steps .section-head__title::before{background:var(--c-accent);}
.steps .section-head__sub{color:rgba(255,255,255,.72);}
.steps__grid{
  display:grid;
  gap:18px;
  grid-template-columns:1fr;
}
@media (min-width:576px){
  .steps__grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:992px){
  .steps__grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;}
}
.step-card{
  padding:20px 18px;
  border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.05);
  transition:border-color .25s ease, background .25s ease, transform .25s ease;
}
.step-card__no{
  display:block;
  font-size:26px;
  font-weight:800;
  line-height:1;
  letter-spacing:.02em;
  color:var(--c-accent);
  margin-bottom:12px;
}
.step-card__title{
  font-size:16px;
  font-weight:700;
  margin-bottom:8px;
}
.step-card__desc{
  font-size:13.5px;
  line-height:1.75;
  color:rgba(255,255,255,.72);
}
@media (hover:hover){
  .step-card:hover{
    transform:translateY(-4px);
    border-color:rgba(18,181,166,.6);
    background:rgba(255,255,255,.09);
  }
}

/* ---------- FAQ ---------- */
.faq-section{
  padding:64px 0 0;
}
.faq-list{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
  padding:6px 22px;
}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  min-height:60px;
  padding:16px 0 16px 14px;
  font-size:16.5px;
  font-weight:600;
  line-height:1.5;
  cursor:pointer;
  list-style:none;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;
  top:16px;
  bottom:16px;
  width:3px;
  border-radius:3px;
  background:transparent;
  transition:background .24s ease;
}
.faq-item summary::after{
  content:"+";
  margin-left:auto;
  flex:0 0 auto;
  font-size:20px;
  font-weight:500;
  line-height:1;
  color:var(--c-ink-3);
  transition:transform .24s ease, color .24s ease;
}
.faq-item[open] summary{color:var(--c-brand-deep);}
.faq-item[open] summary::before{background:var(--c-brand);}
.faq-item[open] summary::after{
  content:"−";
  color:var(--c-brand);
  transform:rotate(180deg);
}
.faq-item__answer{
  padding:0 0 20px 14px;
  font-size:14.5px;
  line-height:1.8;
  color:var(--c-ink-2);
  max-width:820px;
}

/* ---------- CTA ---------- */
.cta-wrap{padding:64px 0;}
.cta-banner{
  display:flex;
  flex-direction:column;
  gap:20px;
  padding:32px 24px;
  border-radius:18px;
  background:linear-gradient(90deg,var(--c-brand-deep),var(--c-brand));
  color:#fff;
  box-shadow:0 22px 40px -26px rgba(11,63,125,.9);
  overflow:hidden;
}
@media (min-width:768px){
  .cta-banner{
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    padding:40px;
    gap:32px;
  }
}
.cta-banner__title{
  font-size:clamp(20px,2.3vw,26px);
  font-weight:800;
  line-height:1.35;
}
.cta-banner__sub{
  margin-top:8px;
  font-size:14.5px;
  color:rgba(255,255,255,.78);
}
.cta-banner .btn{flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-dark);
  color:rgba(255,255,255,.7);
  padding:56px 0 24px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  gap:32px;
  grid-template-columns:1fr;
}
@media (min-width:576px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:992px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:800;
  color:#fff;
  margin-bottom:14px;
}
.footer-brand .logo__mark{
  background:linear-gradient(135deg,var(--c-brand),var(--c-accent));
}
.footer-col p{
  line-height:1.85;
  color:rgba(255,255,255,.62);
}
.footer-col h3{
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:rgba(255,255,255,.5);
  margin-bottom:14px;
}
.footer-col ul li{line-height:2.2;}
.footer-col ul a{color:rgba(255,255,255,.72);}
.footer-col ul a:hover{color:var(--c-accent);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:36px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- 入场动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(12px);
}
.reveal.is-in{
  opacity:1;
  transform:translateY(0);
  transition:opacity .4s ease, transform .4s ease;
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
}