/* roulang page: index */
:root{
  --primary:#0E9594;
  --primary-deep:#116A6B;
  --accent:#FF8C42;
  --accent-soft:#fff0e5;
  --ink:#10323C;
  --muted:#5A707A;
  --sand:#F9F5EF;
  --aqua:#E6F4F3;
  --white:#ffffff;
  --success:#2FA773;
  --line:rgba(16,50,60,.08);
  --card-shadow:0 6px 20px rgba(18,60,68,.06);
  --float-shadow:0 14px 32px rgba(18,60,68,.12);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:8px;
  --pill:999px;
  --container:1180px;
  --section-space:clamp(70px,8vw,100px);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--sand);
  color:var(--ink);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;border:none;background:none;cursor:pointer;color:inherit}
.container{width:min(var(--container),100% - 40px);margin-inline:auto}
.section{padding-block:var(--section-space);position:relative}
.section-head{max-width:760px;margin-bottom:44px}
.kicker{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(14,149,148,.1);
  color:var(--primary-deep);
  font-size:.875rem;
  font-weight:600;
  padding:6px 14px;
  border-radius:var(--pill);
  margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(1.6rem,3vw,2.4rem);
  line-height:1.3;
  font-weight:800;
  letter-spacing:-.01em;
}
.section-head p{margin-top:12px;color:var(--muted);font-size:1rem}
.text-center{text-align:center}
.mx-auto{margin-inline:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;
  border-radius:var(--pill);
  font-weight:700;
  line-height:1.2;
  border:1px solid transparent;
  transition:transform .22s,box-shadow .22s,background .22s;
  white-space:nowrap;
  color:#fff;
  background:var(--accent);
  box-shadow:0 8px 18px rgba(255,140,66,.26);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,140,66,.32);background:#ff7f2d}
.btn:focus-visible,.nav-toggle:focus-visible{outline:3px solid rgba(14,149,148,.4);outline-offset:3px}
.btn:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;
  color:var(--primary-deep);
  border-color:rgba(14,149,148,.45);
  box-shadow:none;
}
.btn-ghost:hover{background:rgba(14,149,148,.08)}
/* header */
.site-header{position:sticky;top:12px;z-index:60;padding:0 20px;pointer-events:none}
.nav-shell{
  max-width:var(--container);
  margin-inline:auto;
  display:flex;align-items:center;gap:22px;
  background:rgba(255,255,255,.84);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(16,50,60,.08);
  box-shadow:var(--card-shadow);
  border-radius:var(--pill);
  padding:8px 10px 8px 18px;
  pointer-events:auto;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:800;font-size:1.15rem;color:var(--ink);flex-shrink:0;
}
.brand-mark{
  width:34px;height:34px;
  background:linear-gradient(145deg,#0E9594,#1db8b0);
  border-radius:12px;
  display:grid;place-items:center;
  color:#fff;
  box-shadow:0 6px 14px rgba(14,149,148,.24);
}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{display:block;padding:9px 14px;font-size:.95rem;color:var(--muted);font-weight:600;border-radius:var(--pill);transition:color .2s,background .2s}
.nav-link:hover{color:var(--primary-deep);background:rgba(14,149,148,.08)}
.nav-link.is-active{color:var(--primary-deep);background:rgba(14,149,148,.1)}
.btn-nav{margin-left:10px;font-size:.9rem;padding:10px 20px}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--white);
  place-items:center;
  margin-left:auto;
  flex-shrink:0;
}
.nav-toggle span{display:block;width:19px;height:2px;background:var(--ink);margin:3px auto;border-radius:2px;transition:transform .25s,opacity .25s}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(5px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
/* cat banner */
.cat-banner{
  position:relative;
  padding:clamp(110px,13vw,150px) 0 clamp(60px,7vw,90px);
  background:linear-gradient(110deg,rgba(249,245,239,.95),rgba(230,244,243,.82)),url('/assets/images/backpic/back-8.jpg') center/cover no-repeat;
}
.cat-breadcrumb{
  display:flex;flex-wrap:wrap;gap:7px;
  font-size:.88rem;
  color:var(--muted);
  margin-bottom:18px;
}
.cat-breadcrumb a{color:var(--muted)}
.cat-breadcrumb a:hover{color:var(--primary-deep)}
.cat-breadcrumb span{opacity:.6}
.cat-banner h1{
  font-size:clamp(1.75rem,4.4vw,3.1rem);
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.02em;
  margin-bottom:18px;
  max-width:20em;
}
.cat-banner p{color:var(--muted);font-size:1.02rem;max-width:650px}
.cat-banner .hero-tags{display:flex;flex-wrap:wrap;gap:12px 18px;margin-top:24px;color:var(--muted);font-size:.88rem}
.cat-banner .hero-tags span{display:inline-flex;align-items:center;gap:5px}
/* filter */
.filter-section{padding:30px 0 8px;background:var(--sand)}
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
}
.filter-btn{
  padding:8px 18px;
  border-radius:var(--pill);
  border:1px solid rgba(16,50,60,.12);
  background:var(--white);
  color:var(--muted);
  font-size:.9rem;
  font-weight:600;
  transition:all .2s;
}
.filter-btn:hover{border-color:var(--primary);color:var(--primary-deep);transform:translateY(-1px)}
.filter-btn.active{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
}
.filter-hint{margin-left:auto;font-size:.82rem;color:var(--muted)}
/* resource section */
.resource-main{padding-block:36px var(--section-space);background:var(--sand)}
.cat-layout{
  display:grid;
  grid-template-columns:1fr 320px;
  gap:32px;
  align-items:start;
}
.resource-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.resource-card{
  display:flex;
  flex-direction:column;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--card-shadow);
  transition:transform .24s,box-shadow .24s;
}
.resource-card:hover{transform:translateY(-4px);box-shadow:var(--float-shadow)}
.resource-cover{position:relative;aspect-ratio:16/9.4;background:var(--aqua);overflow:hidden}
.resource-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.resource-card:hover .resource-cover img{transform:scale(1.03)}
.free-badge{
  position:absolute;
  top:12px;left:12px;
  background:rgba(255,140,66,.94);
  color:#fff;
  font-size:.77rem;
  font-weight:700;
  padding:5px 12px;
  border-radius:var(--pill);
  box-shadow:0 6px 14px rgba(0,0,0,.12);
  letter-spacing:.03em;
}
.resource-body{display:flex;flex-direction:column;flex:1;padding:18px 18px 20px}
.resource-cat{font-size:.75rem;font-weight:700;color:var(--primary-deep);background:rgba(14,149,148,.08);padding:3px 10px;align-self:flex-start;border-radius:var(--pill);margin-bottom:12px}
.resource-body h3{font-size:1.02rem;font-weight:800;line-height:1.5;margin-bottom:8px}
.resource-body p{font-size:.9rem;color:var(--muted);line-height:1.7;flex:1;margin-bottom:16px}
.resource-meta{
  display:flex;align-items:center;justify-content:space-between;
  font-size:.8rem;
  color:var(--muted);
  border-top:1px dashed var(--line);
  padding-top:13px;
}
.resource-meta time{color:var(--muted);display:inline-flex;align-items:center;gap:5px}
.resource-go{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary-deep);
  font-weight:700;
  font-size:.85rem;
}
.resource-go:hover{text-decoration:underline}
/* sidebar */
.side-panel{display:flex;flex-direction:column;gap:22px;position:sticky;top:100px}
.widget{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:20px;
  box-shadow:var(--card-shadow);
}
.widget-title{
  font-size:1rem;
  font-weight:800;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
  margin-bottom:13px;
  display:flex;align-items:center;justify-content:space-between;gap:8px;
}
.widget-title span{width:26px;height:26px;border-radius:9px;background:rgba(14,149,148,.09);display:grid;place-items:center;font-size:.95rem}
.update-list{display:flex;flex-direction:column}
.update-list a{
  padding:11px 2px;
  border-bottom:1px dashed rgba(16,50,60,.08);
  font-size:.9rem;
  color:var(--muted);
  transition:color .2s,padding-left .2s;
  line-height:1.5;
}
.update-list a:last-child{border-bottom:none}
.update-list a:hover{color:var(--primary-deep);padding-left:5px}
.update-list strong{display:block;color:var(--ink);font-size:.88rem;font-weight:600}
.widget-note{
  background:var(--aqua);
  border-radius:var(--radius-md);
  padding:18px;
  font-size:.88rem;
  color:var(--ink);
}
.widget-note strong{display:block;margin-bottom:6px}
/* pagination */
.pagination-wrap{display:flex;justify-content:center;padding-top:40px}
.pagination{
  display:flex;gap:8px;
  align-items:center;
}
.page-item{
  min-width:40px;height:40px;
  padding:0 14px;
  display:grid;place-items:center;
  border:1px solid rgba(16,50,60,.1);
  border-radius:12px;
  background:var(--white);
  color:var(--muted);
  font-weight:600;
  font-size:.9rem;
  transition:all .2s;
}
.page-item:hover{border-color:var(--primary);color:var(--primary-deep);transform:translateY(-1px)}
.page-item.active{background:var(--primary);border-color:var(--primary);color:#fff}
.page-item.disabled{opacity:.45;pointer-events:none}
/* value strip */
.value-section{background:var(--aqua)}
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.value-item{background:var(--white);border-radius:var(--radius-md);padding:24px;border:1px solid var(--line);box-shadow:var(--card-shadow)}
.value-item h3{font-size:1.05rem;margin-bottom:9px;font-weight:800}
.value-item p{font-size:.92rem;color:var(--muted)}
.value-icon{width:44px;height:44px;background:linear-gradient(145deg,var(--primary),#1db8b0);border-radius:13px;display:grid;place-items:center;color:#fff;font-weight:800;margin-bottom:14px;box-shadow:0 8px 16px rgba(14,149,148,.18)}
/* faq category */
.faq-cat-section{background:var(--white)}
.faq-layout{max-width:820px;margin-inline:auto;display:flex;flex-direction:column;gap:14px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--white);transition:border-color .22s,box-shadow .22s;overflow:hidden}
.faq-item.open{border-color:rgba(14,149,148,.35);box-shadow:var(--card-shadow);background:#fcfdfc}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 22px;font-weight:700;color:var(--ink);text-align:left;font-size:1rem}
.faq-icon{width:28px;height:28px;border-radius:50%;background:rgba(14,149,148,.1);color:var(--primary-deep);display:grid;place-items:center;font-size:1.3rem;font-weight:400;transition:transform .25s,background .25s,color .25s;flex-shrink:0}
.faq-item.open .faq-icon{transform:rotate(45deg);color:#fff;background:var(--primary)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-answer-inner{padding:0 22px 20px;color:var(--muted);font-size:.96rem;line-height:1.85}
/* category cta */
.cat-cta{
  background:linear-gradient(115deg,#0E9594,#116A6B);
  text-align:center;
  color:#fff;
  padding-block:clamp(64px,6vw,92px);
  position:relative;
  overflow:hidden;
}
.cat-cta::before{content:"";position:absolute;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.08);top:-140px;left:-60px}
.cat-cta::after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.08);right:-40px;bottom:-120px}
.cat-cta h2{font-size:clamp(1.6rem,3.6vw,2.4rem);color:#fff;font-weight:800;line-height:1.3;position:relative;z-index:2;margin-bottom:14px}
.cat-cta p{color:rgba(255,255,255,.88);margin:0 auto 26px;position:relative;z-index:2;max-width:560px}
.cat-cta .btn{position:relative;z-index:2;background:#fff;color:var(--primary-deep)}
.cat-cta .btn:hover{background:#eef7f5}
/* footer */
.site-footer{background:var(--ink);color:#d7e4e0;padding-top:60px}
.footer-top{display:grid;grid-template-columns:1.1fr .8fr 1fr;gap:38px;padding-bottom:38px}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:1.2rem;margin-bottom:12px}
.footer-brand .brand-mark{background:rgba(255,255,255,.16)}
.footer-desc{font-size:.92rem;color:#9fb4b0;max-width:68ch;margin-bottom:18px}
.footer-update-tag{display:inline-flex;align-items:center;gap:7px;font-size:.8rem;background:rgba(255,255,255,.08);padding:6px 12px;border-radius:var(--pill);color:#cfe2de}
.footer-title{color:#fff;font-size:.95rem;margin-bottom:15px;font-weight:700}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{font-size:.9rem;color:#aec2bd;transition:color .2s,padding-left .2s}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.85rem;color:#88a09b}
@media (max-width:1024px){
  .cat-layout{grid-template-columns:1fr}
  .side-panel{grid-template-columns:repeat(2,1fr);position:static;display:grid;align-items:start}
  .resource-grid{grid-template-columns:repeat(2,1fr)}
  .value-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav-toggle{display:grid}
  .nav-menu{
    position:fixed;top:84px;left:16px;right:16px;
    background:rgba(255,255,255,.97);
    backdrop-filter:blur(14px);
    border-radius:var(--radius-lg);
    border:1px solid var(--line);
    padding:16px;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    box-shadow:var(--float-shadow);
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .22s,transform .22s;
    max-height:calc(100vh - 120px);overflow:auto;
  }
  body.nav-open .nav-menu{opacity:1;transform:translateY(0);pointer-events:auto}
  .nav-link{padding:13px 16px}
  .btn-nav{margin-left:0;margin-top:10px;justify-content:center}
}
@media (max-width:768px){
  .resource-grid{grid-template-columns:1fr}
  .side-panel{grid-template-columns:1fr}
  .value-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{width:min(100% - 28px,var(--container))}
  .brand-name{font-size:1rem}
  .brand{margin-right:auto}
  .cat-banner h1{font-size:1.65rem}
  .resource-grid{grid-template-columns:1fr}
  .filter-hint{display:none}
  .section-head h2{font-size:1.5rem}
  .footer-top{grid-template-columns:1fr;gap:26px}
  .filter-btn{flex:1 1 auto}
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root{
  --primary:#0E9594;
  --primary-deep:#116A6B;
  --accent:#FF8C42;
  --accent-soft:#fff0e5;
  --ink:#10323C;
  --muted:#5A707A;
  --sand:#F9F5EF;
  --aqua:#E6F4F3;
  --white:#ffffff;
  --success:#2FA773;
  --line:rgba(16,50,60,.08);
  --card-shadow:0 6px 20px rgba(18,60,68,.06);
  --float-shadow:0 14px 32px rgba(18,60,68,.12);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:8px;
  --pill:999px;
  --container:1180px;
  --section-space:clamp(72px,8vw,108px);
}

/* ========== 基础 ========== */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--sand);
  color:var(--ink);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.nav-open{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
button{font:inherit;border:none;background:none;cursor:pointer;color:inherit}
h1,h2,h3,h4,p{margin:0;font-weight:inherit}
.container{width:min(var(--container),100% - 40px);margin-inline:auto}
.section{padding-block:var(--section-space);position:relative}

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;
  border-radius:var(--pill);
  font-weight:700;
  line-height:1.2;
  border:1px solid transparent;
  color:#fff;
  background:var(--accent);
  box-shadow:0 8px 18px rgba(255,140,66,.26);
  transition:transform .22s,box-shadow .22s,background .22s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,140,66,.33);background:#ff7f2d}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:3px solid rgba(255,140,66,.35);outline-offset:3px}
.btn-ghost{
  background:transparent;
  color:var(--primary-deep);
  border-color:rgba(14,149,148,.45);
  box-shadow:none;
}
.btn-ghost:hover{background:rgba(14,149,148,.08);box-shadow:none}
.btn-primary{background:var(--primary);box-shadow:0 8px 18px rgba(14,149,148,.22)}
.btn-primary:hover{background:var(--primary-deep);box-shadow:0 12px 24px rgba(14,149,148,.3)}
.btn-sm{padding:8px 16px;font-size:.82rem}

/* ========== 悬浮胶囊导航 ========== */
.site-header{
  position:sticky;
  top:12px;
  z-index:60;
  margin-top:12px;
  padding:0 20px;
  pointer-events:none;
}
.nav-shell{
  max-width:var(--container);
  margin-inline:auto;
  display:flex;
  align-items:center;
  gap:18px;
  background:rgba(255,255,255,.84);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(16,50,60,.08);
  box-shadow:var(--card-shadow);
  border-radius:var(--pill);
  padding:8px 10px 8px 18px;
  pointer-events:auto;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:1.15rem;
  color:var(--ink);
  flex-shrink:0;
}
.brand-mark{
  width:34px;height:34px;
  background:linear-gradient(145deg,#0E9594,#23b8b1);
  border-radius:12px;
  display:grid;
  place-items:center;
  color:#fff;
  box-shadow:0 6px 14px rgba(14,149,148,.24);
  flex-shrink:0;
}
.brand-mark svg{width:19px;height:19px}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  display:block;
  padding:9px 14px;
  font-size:.95rem;
  color:var(--muted);
  font-weight:600;
  border-radius:var(--pill);
  transition:color .2s,background .2s;
}
.nav-link:hover{color:var(--primary-deep);background:rgba(14,149,148,.08)}
.nav-link:focus-visible{outline:3px solid rgba(14,149,148,.35);outline-offset:2px}
.nav-link.is-active{color:var(--primary-deep);background:rgba(14,149,148,.1)}
.btn-nav{margin-left:10px;font-size:.9rem;padding:10px 20px}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--white);
  place-items:center;
  margin-left:auto;
  flex-shrink:0;
}
.nav-toggle span{display:block;width:19px;height:2px;background:var(--ink);margin:3px auto;border-radius:2px;transition:transform .25s,opacity .25s}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(5px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.nav-toggle:focus-visible{outline:3px solid rgba(14,149,148,.35);outline-offset:3px}

/* ========== 分类横幅 ========== */
.cat-banner{
  position:relative;
  padding:clamp(76px,9vw,120px) 0 clamp(58px,6vw,74px);
  margin-top:-54px;
  background:
    linear-gradient(90deg,rgba(246,240,229,.92) 0%,rgba(247,243,236,.72) 52%,rgba(230,244,243,.62) 100%),
    url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-banner:after{
  position:absolute;
  content:'';
  left:0;right:0;bottom:-2px;height:56px;
  background:var(--sand);
  -webkit-mask:radial-gradient(28px at 28px 0,#000 98%,transparent) repeat-x;
          mask:radial-gradient(28px at 28px 0,#000 98%,transparent) repeat-x;
}
.cat-crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:4px 8px;
  font-size:.85rem;
  color:var(--muted);
  background:rgba(255,255,255,.76);
  border:1px solid var(--line);
  border-radius:var(--pill);
  padding:6px 14px;
  width:max-content;
  max-width:100%;
  backdrop-filter:blur(6px);
  margin-bottom:26px;
}
.cat-crumb svg{width:15px;height:15px;color:rgba(16,50,60,.3);display:block}
.cat-crumb a{color:var(--muted);font-weight:600;transition:color .2s}
.cat-crumb a:hover{color:var(--primary-deep)}
.cat-crumb span{color:var(--primary-deep);font-weight:700;white-space:nowrap}
.cat-banner h1{
  font-size:clamp(1.9rem,4vw,3rem);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.015em;
  max-width:840px;
}
.cat-banner h1 em{
  font-style:normal;
  color:var(--primary);
  background:linear-gradient(transparent 66%,rgba(14,149,148,.14) 66%);
}
.cat-banner .lead{
  margin-top:18px;
  max-width:640px;
  font-size:clamp(.98rem,1.4vw,1.12rem);
  color:#34505b;
  font-weight:500;
}
.cat-badge-line{
  display:flex;
  flex-wrap:wrap;
  gap:12px 20px;
  margin-top:28px;
  font-size:.87rem;
  color:var(--muted);
}
.cat-badge-line span{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(255,255,255,.7);
  border:1px solid var(--line);
  padding:6px 13px;
  border-radius:var(--pill);
  backdrop-filter:blur(4px);
}
.cat-badge-line b{color:var(--success);font-weight:700}

/* ========== 筛选区 ========== */
.filter-section{
  padding:26px 0 6px;
  background:var(--sand);
}
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
}
.filter-bar .label{
  font-weight:700;
  font-size:.9rem;
  color:var(--ink);
  margin-right:4px;
}
.filter-btn{
  padding:9px 18px;
  border-radius:var(--pill);
  border:1px solid rgba(16,50,60,.14);
  background:var(--white);
  color:var(--muted);
  font-size:.9rem;
  font-weight:600;
  transition:all .2s;
  box-shadow:0 2px 6px rgba(18,60,68,.03);
}
.filter-btn:hover{border-color:var(--primary);color:var(--primary-deep);transform:translateY(-1px);box-shadow:0 8px 16px rgba(14,149,148,.1)}
.filter-btn:focus-visible{outline:3px solid rgba(14,149,148,.3);outline-offset:2px}
.filter-btn.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(14,149,148,.2)}

/* ========== 资源区 ========== */
.resource-main{
  padding:38px 0 var(--section-space);
  background:var(--sand);
}
.main-with-side{
  display:grid;
  grid-template-columns:minmax(0,1fr) 310px;
  gap:32px;
  align-items:start;
}
.resource-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
.resource-card{
  display:flex;
  flex-direction:column;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--card-shadow);
  transition:transform .24s,box-shadow .24s,border-color .24s;
}
.resource-card:hover{transform:translateY(-4px);box-shadow:var(--float-shadow);border-color:rgba(14,149,148,.22)}
.resource-cover{
  position:relative;
  display:block;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--aqua);
}
.resource-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.resource-card:hover .resource-cover img{transform:scale(1.04)}
.free-badge{
  position:absolute;
  top:12px;
  left:12px;
  background:rgba(242,106,45,.95);
  color:#fff;
  font-size:.74rem;
  font-weight:800;
  letter-spacing:.05em;
  padding:5px 12px;
  border-radius:var(--pill);
  box-shadow:0 6px 14px rgba(0,0,0,.12);
  backdrop-filter:blur(4px);
}
.resource-body{
  display:flex;
  flex-direction:column;
  flex:1;
  padding:18px 18px 19px;
}
.resource-body h3{
  font-size:1rem;
  font-weight:800;
  line-height:1.5;
  margin-bottom:8px;
}
.resource-body h3 a{
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s;
}
.resource-body h3 a:hover{color:var(--primary-deep)}
.resource-body p{
  font-size:.87rem;
  color:var(--muted);
  line-height:1.72;
  flex:1;
  margin-bottom:15px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.resource-meta{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:.78rem;
  color:var(--muted);
  border-top:1px dashed rgba(16,50,60,.14);
  padding-top:13px;
}
.resource-meta .src{
  font-weight:600;
  color:var(--muted);
  flex-shrink:0;
  max-width:90px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.resource-meta time{
  display:inline-flex;
  align-items:center;
  gap:4px;
  white-space:nowrap;
}
.resource-meta .go-btn{
  margin-left:auto;
  padding:6px 14px;
  border-radius:var(--pill);
  font-size:.79rem;
  font-weight:700;
  color:var(--primary-deep);
  background:var(--aqua);
  border:1px solid rgba(14,149,148,.18);
  transition:all .2s;
  flex-shrink:0;
}
.resource-meta .go-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-1px)}
.resource-meta .go-btn:focus-visible{outline:3px solid rgba(14,149,148,.3);outline-offset:2px}

/* ========== 侧栏 ========== */
.side-rail{
  display:flex;
  flex-direction:column;
  gap:22px;
  position:sticky;
  top:92px;
}
.side-widget{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--card-shadow);
  padding:20px;
}
.widget-title{
  font-size:.98rem;
  font-weight:800;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
  margin-bottom:15px;
  display:flex;
  align-items:center;
  gap:8px;
}
.widget-title .wi{
  width:26px;height:26px;
  border-radius:9px;
  display:grid;
  place-items:center;
  background:rgba(14,149,148,.1);
  color:var(--primary-deep);
  flex-shrink:0;
}
.widget-title .wi svg{width:15px;height:15px}
.widget-title small{margin-left:auto;font-size:.72rem;color:var(--muted);font-weight:600}
.pick-item{border-radius:12px;padding:12px;transition:background .2s;border:1px solid transparent}
.pick-item + .pick-item{margin-top:8px}
.pick-item:hover{background:var(--aqua);border-color:rgba(14,149,148,.15)}
.pick-item h4{font-size:.93rem;font-weight:700;display:flex;align-items:center;gap:8px}
.pick-item h4 .num{
  width:23px;height:23px;
  display:grid;place-items:center;
  background:var(--accent);
  color:#fff;
  font-size:.7rem;
  border-radius:50%;
  font-weight:800;
  flex-shrink:0;
}
.pick-item p{font-size:.82rem;color:var(--muted);margin-top:4px;line-height:1.65}
.update-list li{display:flex;align-items:flex-start;gap:8px;padding:10px 0;border-bottom:1px dashed rgba(16,50,60,.12);font-size:.84rem}
.update-list li:last-child{border-bottom:0}
.update-list .dot{width:6px;height:6px;border-radius:50%;background:var(--success);margin-top:8px;flex-shrink:0}
.update-list .upd-name{font-weight:600;line-height:1.45}
.update-list .upd-time{margin-left:auto;font-size:.73rem;color:var(--muted);white-space:nowrap}
.update-list a:hover .upd-name{color:var(--primary-deep)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-item{
  padding:5px 13px;
  border-radius:var(--pill);
  background:rgba(14,149,148,.07);
  color:var(--primary-deep);
  font-size:.77rem;
  font-weight:600;
  transition:all .2s;
}
.tag-item:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}
.tag-item:focus-visible{outline:3px solid rgba(14,149,148,.3);outline-offset:2px}
.notice-card{
  background:linear-gradient(145deg,var(--aqua),#f2fbfa);
  border:1px solid rgba(14,149,148,.18);
}
.notice-card .notice-title{display:flex;align-items:center;gap:8px;font-weight:800;font-size:.95rem}
.notice-card .notice-title svg{width:18px;height:18px;color:var(--primary)}
.notice-card p{font-size:.84rem;color:var(--muted);margin-top:10px}

/* ========== 分页 ========== */
.pagination{
  display:flex;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:9px;
  margin-top:38px;
}
.pagination a{
  min-width:40px;
  height:40px;
  padding:0 8px;
  border-radius:13px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:.9rem;
  font-weight:700;
  color:var(--muted);
  background:var(--white);
  border:1px solid var(--line);
  box-shadow:0 2px 8px rgba(18,60,68,.04);
  transition:all .2s;
}
.pagination a:hover{color:#fff;background:var(--primary);border-color:var(--primary);transform:translateY(-2px)}
.pagination a:focus-visible{outline:3px solid rgba(14,149,148,.3);outline-offset:2px}
.pagination a.is-active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 8px 18px rgba(14,149,148,.2)}
.pagination a.prev-next i{font-weight:700}
.pagination .gap{color:var(--muted);font-weight:600;padding-top:8px}

/* ========== FAQ ========== */
.faq-section{
  background:var(--white);
  padding-block:var(--section-space);
  border-top:1px solid var(--line);
}
.section-head{max-width:720px;margin-bottom:42px}
.section-head h2{
  font-size:clamp(1.55rem,3vw,2.15rem);
  font-weight:800;
  line-height:1.3;
}
.section-head p{margin-top:10px;color:var(--muted)}
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:0 20px;
  background:var(--white);
  transition:border-color .2s,box-shadow .2s;
  margin-bottom:12px;
}
.faq-item.open{border-color:rgba(14,149,148,.35);box-shadow:var(--card-shadow)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:14px;
  text-align:left;
  padding:17px 0;
  font-size:1rem;
  font-weight:700;
  line-height:1.45;
}
.faq-q .q-icon{
  width:28px;height:28px;
  border-radius:9px;
  display:grid;
  place-items:center;
  background:rgba(14,149,148,.1);
  color:var(--primary-deep);
  flex-shrink:0;
}
.faq-q .q-icon svg{width:16px;height:16px}
.faq-q .chev{
  width:20px;height:20px;
  margin-left:auto;
  flex-shrink:0;
  border-radius:50%;
  display:grid;
  place-items:center;
  transition:transform .25s;
  color:var(--muted);
}
.faq-icon{width:13px;height:13px;position:relative;display:block}
.faq-icon:before,.faq-icon:after{content:'';position:absolute;background:currentColor;border-radius:2px;top:50%;left:0;width:100%;height:2px;transform:translateY(-50%);transition:transform .25s}
.faq-icon:after{transform:translateY(-50%) rotate(90deg)}
.faq-item.open .faq-icon:after{transform:translateY(-50%) rotate(0deg)}
.faq-q:focus-visible{outline:3px solid rgba(14,149,148,.3);outline-offset:-2px;border-radius:10px}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .28s ease;
}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{
  color:var(--muted);
  font-size:.94rem;
  padding-bottom:18px;
  padding-left:42px;
  max-width:760px;
}

/* ========== 最终CTA ========== */
.cta-section{
  padding:clamp(64px,8vw,92px) 0;
  background:linear-gradient(120deg,#0E9594 0%,#0f8b91 60%,#19acaa 100%);
  position:relative;
  overflow:hidden;
  text-align:center;
}
.cta-section .container{position:relative;z-index:2}
.cta-section:before{
  content:'';
  position:absolute;
  width:520px;height:520px;
  right:-150px;top:-180px;
  background:rgba(255,255,255,.08);
  border-radius:50%;
}
.cta-section:after{
  content:'';
  position:absolute;
  width:300px;height:300px;
  left:-110px;bottom:-130px;
  background:rgba(255,255,255,.05);
  border-radius:50%;
}
.cta-section h2{
  color:#fff;
  font-size:clamp(1.65rem,3.4vw,2.35rem);
  font-weight:800;
  line-height:1.3;
  max-width:700px;
  margin:0 auto;
}
.cta-section p{
  color:rgba(255,255,255,.84);
  margin:18px auto 30px;
  max-width:560px;
  font-size:1rem;
}
.cta-section .btn{color:var(--ink);background:#fff;box-shadow:0 12px 26px rgba(0,0,0,.14)}
.cta-section .btn:hover{background:#fbf4ee;transform:translateY(-3px)}
.cta-section .btn-ghost{color:#fff;border-color:rgba(255,255,255,.55);background:transparent;box-shadow:none}
.cta-section .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}

/* ========== 页脚 ========== */
.site-footer{
  background:#0e2e34;
  color:#dbe9e8;
  padding:70px 0 26px;
  font-size:.93rem;
}
.site-footer a{transition:color .2s;color:#dbe9e8}
.site-footer a:hover{color:#fff}
.footer-top{
  display:grid;
  grid-template-columns:2.2fr 1fr 1fr;
  gap:44px;
  margin-bottom:44px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:1.18rem;
  color:#fff;
  margin-bottom:16px;
}
.footer-desc{color:#a9c1c0;max-width:460px;line-height:1.85;margin-bottom:18px}
.footer-update-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:.8rem;
  color:#c9e9e6;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--pill);
  padding:6px 14px;
}
.footer-title{
  font-size:.86rem;
  font-weight:800;
  color:#fff;
  letter-spacing:.02em;
  margin-bottom:16px;
}
.footer-links{
  display:grid;
  grid-template-columns:1fr;
  gap:9px;
}
.footer-links a{font-size:.9rem;color:#b8cfce}
.footer-links a:hover{color:var(--accent);transform:translateX(3px)}
.site-footer .footer-links a{transition:transform .2s,color .2s;display:inline-block}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:23px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:.8rem;
  color:rgba(223,239,238,.66);
}

/* ========== 响应式 ========== */
@media (max-width:1024px){
  .main-with-side{grid-template-columns:1fr}
  .side-rail{
    position:static;
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    align-items:stretch;
    margin-top:8px;
  }
  .side-widget{padding:18px}
}
@media (max-width:768px){
  .container{width:min(100% - 32px,var(--container))}
  .nav-shell{border-radius:26px;padding-left:14px}
  .brand-name{display:none}
  .brand{padding-left:4px}
  .brand-mark{width:32px;height:32px}
  .btn-nav{display:none}
  .nav-toggle{display:grid}
  .nav-menu{
    display:none;
    position:absolute;
    top:calc(100% + 10px);
    left:0;right:0;
    background:rgba(255,255,255,.97);
    backdrop-filter:blur(14px);
    border:1px solid var(--line);
    border-radius:22px;
    box-shadow:var(--float-shadow);
    padding:14px;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    margin-left:0;
  }
  body.nav-open .nav-menu{display:flex}
  .nav-link{padding:13px 16px;border-radius:14px}
  .nav-link.is-active{background:var(--aqua)}
  .btn-nav-mobile{display:inline-flex;margin-top:10px;justify-content:center;background:var(--accent);color:#fff}
  .cat-banner{background:linear-gradient(180deg,rgba(246,240,229,.95) 20%,rgba(230,244,243,.85) 100%),url('/assets/images/backpic/back-2.jpg') center/cover no-repeat}
  .footer-top{grid-template-columns:1fr;gap:36px}
  .resource-grid{grid-template-columns:1fr}
  .side-rail{grid-template-columns:1fr}
  .cat-badge-line{gap:8px}
  .cta-section{padding-block:56px}
}
@media (max-width:520px){
  .container{width:min(100% - 26px,var(--container))}
  .site-header{padding:0 13px;}
  .nav-shell{padding-left:10px}
  .brand-mark{display:none}
  .brand-name{display:block}
  .filter-bar{flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px;scrollbar-width:none}
  .filter-bar::-webkit-scrollbar{display:none}
  .filter-btn{white-space:nowrap}
  .resource-body{padding:16px}
  .resource-meta{flex-wrap:wrap}
  .faq-a p{padding-left:0}
  .pagination a{min-width:36px;height:36px}
  .footer-bottom{flex-direction:column}
}

/* 滚动锚点定位补偿 */
#resourceGrid,#faq{scroll-margin-top:80px}