/* roulang page: index */
:root{
  --brand:#0FBF8F;
  --brand-deep:#0A8F6B;
  --brand-soft:#E6F8F2;
  --orange:#FF6A3D;
  --orange-soft:#FFF0EA;
  --purple:#7A5CFF;
  --ink:#14121E;
  --ink-2:#1E1B2E;
  --page:#F4F6F8;
  --line:#E6E9EE;
  --body-c:#4A4756;
  --head-c:#16141F;
  --muted:#8A8797;
  --white:#FFFFFF;
  --grad-brand:linear-gradient(115deg,#0FBF8F 0%,#35C3D6 35%,#7A5CFF 70%,#FF6A3D 100%);
  --r-sm:10px;--r-md:16px;--r-lg:22px;--r-xl:28px;
  --shadow-1:0 2px 8px rgba(20,18,30,.06);
  --shadow-2:0 10px 28px -12px rgba(20,18,30,.18);
  --shadow-3:0 24px 60px -24px rgba(20,18,30,.28);
  --shadow-brand:0 12px 28px -12px rgba(15,191,143,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-body-color:#4A4756;
  --bs-border-radius:14px;
  --bs-primary:#0FBF8F;
}
*,*::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","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;color:var(--body-c);background:var(--page);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--head-c);font-weight:700;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-deep);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--brand)}
button{font-family:inherit}
input,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 16px}
@media(min-width:1400px){.container{max-width:1240px}}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700}
.section-sub{margin-top:14px;font-size:16px;color:var(--body-c);line-height:1.8}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--brand-deep);background:var(--brand-soft);border-radius:999px;padding:6px 14px;margin-bottom:16px}
.sec-kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
@media(max-width:991px){.section{padding:72px 0}}
@media(max-width:767px){.section{padding:56px 0}.section-head{margin-bottom:28px}}

/* ============ 导航 ============ */
.site-nav{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .22s var(--ease),background .22s var(--ease)}
.site-nav.is-scrolled{box-shadow:var(--shadow-2);background:rgba(255,255,255,.97)}
.nav-inner{display:flex;align-items:center;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--grad-brand);display:grid;place-items:center;color:#fff;box-shadow:var(--shadow-brand);flex:0 0 auto}
.brand-text{font-size:18px;font-weight:700;color:var(--head-c);white-space:nowrap;letter-spacing:-.01em}
.brand:hover .brand-text{color:var(--brand-deep)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:10px}
.nav-link{display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;font-size:15px;color:var(--body-c);white-space:nowrap;transition:all .22s var(--ease)}
.nav-link:hover{color:var(--brand-deep);background:var(--brand-soft)}
.nav-link.active{color:var(--brand-deep);background:var(--brand-soft);font-weight:600}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{position:relative;display:flex;align-items:center;width:230px}
.nav-search svg{position:absolute;left:14px;width:16px;height:16px;color:var(--muted);pointer-events:none}
.nav-search input{width:100%;height:42px;border-radius:999px;border:1px solid var(--line);background:#fff;padding:0 16px 0 38px;font-size:14px;color:var(--head-c);transition:border-color .22s var(--ease),box-shadow .22s var(--ease)}
.nav-search input::placeholder{color:var(--muted)}
.nav-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(15,191,143,.14)}
.btn-ghost-link{display:inline-flex;align-items:center;height:44px;padding:0 6px;font-size:15px;color:var(--body-c);white-space:nowrap}
.btn-ghost-link:hover{color:var(--brand-deep)}
.btn-nav-cta{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;border-radius:999px;background:var(--orange);color:var(--ink);font-weight:700;font-size:15px;border:none;white-space:nowrap;transition:all .22s var(--ease)}
.btn-nav-cta:hover{color:var(--ink);filter:brightness(1.06);box-shadow:0 12px 26px -12px rgba(255,106,61,.75);transform:translateY(-1px)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--head-c);align-items:center;justify-content:center;cursor:pointer}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-deep)}
@media(max-width:1099px){.nav-search{width:170px}}
@media(max-width:991px){
  .nav-links,.nav-search,.btn-ghost-link{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{height:66px}
}
.nav-drawer{position:fixed;inset:0;z-index:1200;display:none}
.nav-drawer.is-open{display:block}
.nav-drawer__mask{position:absolute;inset:0;background:rgba(20,18,30,.52);backdrop-filter:blur(3px)}
.nav-drawer__panel{position:absolute;left:16px;right:16px;top:16px;background:#fff;border-radius:22px;padding:20px;box-shadow:var(--shadow-3);max-height:calc(100vh - 32px);overflow:auto}
.nav-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.nav-drawer__close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--head-c);display:grid;place-items:center;cursor:pointer}
.nav-drawer__search{position:relative;display:flex;align-items:center;margin-bottom:16px}
.nav-drawer__search svg{position:absolute;left:14px;width:16px;height:16px;color:var(--muted)}
.nav-drawer__search input{width:100%;height:48px;border-radius:14px;border:1px solid var(--line);padding:0 16px 0 40px;font-size:15px;background:#fff}
.nav-drawer__search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(15,191,143,.14)}
.nav-drawer__list{display:grid;gap:8px;margin-bottom:18px}
.nav-drawer__list a{display:block;padding:14px 16px;border-radius:16px;font-size:16px;color:var(--head-c);background:var(--page)}
.nav-drawer__list a.active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600}
.nav-drawer__actions{display:grid;gap:10px}

/* ============ 按钮 ============ */
.btn-primary-brand{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 26px;border-radius:14px;background:var(--orange);color:var(--ink);font-weight:700;font-size:16px;border:none;transition:all .22s var(--ease)}
.btn-primary-brand:hover{color:var(--ink);filter:brightness(1.06);box-shadow:0 16px 32px -14px rgba(255,106,61,.8);transform:translateY(-2px)}
.btn-outline-brand{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 24px;border-radius:14px;background:#fff;color:var(--head-c);font-weight:600;font-size:16px;border:1px solid var(--line);transition:all .22s var(--ease)}
.btn-outline-brand:hover{color:var(--brand-deep);border-color:var(--brand);background:var(--brand-soft);transform:translateY(-2px)}
.btn-ghost-light{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 24px;border-radius:14px;background:transparent;color:#fff;font-weight:600;font-size:16px;border:1.5px solid rgba(255,255,255,.3);transition:all .22s var(--ease)}
.btn-ghost-light:hover{color:#fff;background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:#fff;position:relative}
.link-arrow::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:currentColor;transition:width .22s var(--ease)}
.link-arrow:hover::after{width:100%}
.link-arrow:hover{color:var(--brand)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-deep)}
.text-link:hover{color:var(--brand);gap:10px}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--ink);padding:96px 0;display:flex;align-items:center;min-height:640px}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.4;z-index:0}
.hero-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,18,30,.82) 0%,rgba(20,18,30,.94) 100%);z-index:1}
.hero-lines{position:absolute;inset:0;z-index:1;opacity:.06;background:repeating-linear-gradient(115deg,rgba(255,255,255,.9) 0 1px,transparent 1px 26px);pointer-events:none}
.hero-glow{position:absolute;width:640px;height:640px;border-radius:50%;background:var(--grad-brand);filter:blur(130px);opacity:.26;top:-190px;right:-140px;z-index:1;pointer-events:none}
.hero-glow--2{width:420px;height:420px;opacity:.16;top:auto;bottom:-200px;left:-120px;right:auto}
.hero-inner{position:relative;z-index:2}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:7px 16px;margin-bottom:22px}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--brand);display:inline-block}
.hero-title{font-size:clamp(30px,4.4vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;color:#fff}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.76);max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:34px}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:40px;max-width:600px}
.stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:14px 14px;backdrop-filter:blur(6px)}
.stat b{display:block;font-size:19px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stat span{display:block;font-size:12px;line-height:1.5;color:rgba(255,255,255,.62);margin-top:4px}
.hero-visual{position:relative;padding:24px 0 24px 24px}
.hero-shot{width:76%;max-width:320px;margin-left:auto;border-radius:24px;transform:rotate(7deg);box-shadow:var(--shadow-3);border:6px solid rgba(255,255,255,.12)}
.float-card{position:absolute;background:#fff;color:var(--head-c);border-radius:16px;padding:12px 16px;box-shadow:var(--shadow-3);display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;white-space:nowrap}
.float-card--a{top:2%;left:0}
.float-card--b{bottom:6%;left:4%}
.float-dot{width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(15,191,143,.18);flex:0 0 auto}
.float-star{color:var(--orange);display:inline-flex}
@media(max-width:991px){
  .hero{padding:72px 0;min-height:auto}
  .hero-visual{max-width:420px;margin:0 auto;padding:16px 16px 16px 0}
  .hero-shot{width:70%;margin:0 auto}
  .float-card--a{top:0;left:-4px}
  .float-card--b{bottom:0;left:0}
}
@media(max-width:575px){
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-actions .btn-primary-brand,.hero-actions .btn-outline-brand,.hero-actions .btn-ghost-light{width:100%}
  .hero-actions .link-arrow{justify-content:center;width:100%}
  .float-card{font-size:12px;padding:10px 12px}
}

/* ============ 信任条 ============ */
.trust-wrap{position:relative;z-index:6;margin-top:-32px}
.trust-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-2);padding:20px 8px;display:grid;grid-template-columns:repeat(5,minmax(0,1fr))}
.trust-item{display:flex;align-items:center;gap:10px;padding:8px 18px;border-right:1px solid var(--line);font-size:14px;color:var(--head-c);font-weight:500}
.trust-item:last-child{border-right:0}
.trust-item svg{color:var(--brand);flex:0 0 auto}
@media(max-width:991px){
  .trust-card{grid-template-columns:repeat(2,minmax(0,1fr));padding:14px 6px}
  .trust-item{border-right:0;padding:10px 14px}
}
@media(max-width:575px){.trust-card{grid-template-columns:1fr}}

/* ============ 截图轮播 ============ */
.shot-carousel{position:relative}
.shot-carousel .carousel-item{padding:8px 0 12px}
.shot-title{font-size:22px;font-weight:700;margin-top:14px}
.shot-desc{margin-top:12px;font-size:15px;line-height:1.8;color:var(--body-c)}
.shot-points{margin-top:18px;display:grid;gap:10px}
.shot-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--body-c)}
.shot-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand);margin-top:9px;flex:0 0 auto}
.shot-img{width:100%;max-width:420px;margin:0 auto;border-radius:var(--r-md);box-shadow:var(--shadow-2);aspect-ratio:4/3;object-fit:cover}
.shot-carousel .carousel-indicators{position:static;margin:28px 0 0;justify-content:center;gap:8px}
.shot-carousel .carousel-indicators [data-bs-target]{width:26px;height:6px;border-radius:999px;background:var(--line);opacity:1;border:0;margin:0;transition:all .22s var(--ease)}
.shot-carousel .carousel-indicators .active{width:46px;background:var(--brand)}
.shot-carousel .carousel-control-prev,
.shot-carousel .carousel-control-next{width:44px;height:44px;top:50%;bottom:auto;transform:translateY(-50%);border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--head-c);opacity:1;box-shadow:var(--shadow-2);display:flex;align-items:center;justify-content:center;transition:all .22s var(--ease)}
.shot-carousel .carousel-control-prev:hover,
.shot-carousel .carousel-control-next:hover{color:var(--brand-deep);border-color:var(--brand)}
.shot-carousel .carousel-control-prev{left:-22px}
.shot-carousel .carousel-control-next{right:-22px}
@media(max-width:767px){
  .shot-carousel .carousel-control-prev{left:0}
  .shot-carousel .carousel-control-next{right:0}
  .shot-img{max-width:320px}
}

/* ============ 亮点错位栅格 ============ */
.feature-lg{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);overflow:hidden;height:100%;display:flex;flex-direction:column;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.feature-lg:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,191,143,.4)}
.feature-lg__media{aspect-ratio:16/9;overflow:hidden}
.feature-lg__media img{width:100%;height:100%;object-fit:cover}
.feature-lg__body{padding:26px}
.feature-lg__body h3{font-size:20px}
.feature-lg__body p{margin-top:12px;font-size:15px;line-height:1.8}
.feature-list{margin-top:18px;display:grid;gap:10px}
.feature-list li{display:flex;gap:10px;font-size:15px}
.feature-list li svg{flex:0 0 auto;margin-top:5px;color:var(--brand)}
.feature-sm{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);padding:22px;height:100%;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.feature-sm:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,191,143,.4)}
.feature-sm .ic{width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand-deep);display:grid;place-items:center;margin-bottom:14px}
.feature-sm h3{font-size:17px}
.feature-sm p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--body-c)}
.feature-wide{background:linear-gradient(115deg,rgba(15,191,143,.08),rgba(122,92,255,.08));border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 28px;display:flex;align-items:center;gap:22px;flex-wrap:wrap;height:100%}
.feature-wide .ic{width:46px;height:46px;border-radius:14px;background:#fff;color:var(--brand-deep);display:grid;place-items:center;box-shadow:var(--shadow-1);flex:0 0 auto}
.feature-wide h3{font-size:18px}
.feature-wide p{margin-top:6px;font-size:14px;color:var(--body-c)}
.feature-wide .fw-tags{margin-left:auto;display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--head-c);font-weight:500}
@media(max-width:767px){.feature-wide .fw-tags{margin-left:0}}

/* ============ 系统要求 ============ */
.spec-section{background:#fff}
.spec-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-1);height:100%;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.spec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,191,143,.4)}
.spec-card__head{display:flex;align-items:center;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:8px}
.spec-card__head .ic{width:42px;height:42px;border-radius:14px;background:var(--brand-soft);color:var(--brand-deep);display:grid;place-items:center}
.spec-card__head h3{font-size:18px}
.spec-card__head span{display:block;font-size:13px;color:var(--muted);font-weight:400}
.spec-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px}
.spec-row:last-child{border-bottom:0}
.spec-row dt{color:var(--muted);font-weight:400}
.spec-row dd{margin:0;font-weight:600;color:var(--head-c);font-variant-numeric:tabular-nums;text-align:right}
.spec-note{margin-top:18px;font-size:14px;line-height:1.8;color:var(--body-c)}
.spec-browser{background:linear-gradient(115deg,rgba(15,191,143,.07),rgba(122,92,255,.07));border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:24px}
.spec-browser h3{font-size:18px}
.spec-browser p{margin-top:6px;font-size:14px;max-width:640px}

/* ============ 资讯列表 ============ */
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;height:100%;box-shadow:var(--shadow-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,191,143,.45)}
.news-card__link{display:block;height:100%;color:inherit}
.news-card__link:hover{color:inherit}
.news-card__media{aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft)}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-card__media img{transform:scale(1.045)}
.news-card__body{padding:20px 22px 22px}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);font-size:12px;font-weight:600;line-height:1}
.news-card__title{margin-top:12px;font-size:17px;line-height:1.5;font-weight:600;color:var(--head-c);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__desc{margin-top:10px;font-size:14px;line-height:1.75;color:var(--body-c);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__time{margin-top:14px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-card--lead .news-card__media{aspect-ratio:16/8}
.news-card--lead .news-card__title{font-size:22px;-webkit-line-clamp:2}
.news-card--lead .news-card__desc{-webkit-line-clamp:3;font-size:15px}
.news-card--lead .news-card__body{padding:24px 26px 26px}
.cms-empty{min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);color:var(--muted);font-size:14px;text-align:center;padding:24px}
.cms-empty svg{color:var(--line);margin-bottom:6px}
.cms-empty small{font-size:13px}

/* ============ 评价墙 ============ */
.review-summary{display:inline-flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px 18px;box-shadow:var(--shadow-1);margin-top:18px}
.review-summary b{font-size:32px;font-weight:700;color:var(--head-c);font-variant-numeric:tabular-nums;line-height:1}
.review-summary .rs-meta{font-size:13px;color:var(--muted)}
.stars{display:inline-flex;gap:2px;color:var(--orange)}
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow-1);height:100%;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,191,143,.4)}
.review-head{display:flex;align-items:center;gap:12px}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:700;flex:0 0 auto}
.review-name{font-size:14px;font-weight:600;color:var(--head-c);line-height:1.4}
.review-dev{font-size:12px;color:var(--muted)}
.review-body{margin-top:14px;font-size:14px;line-height:1.75;color:var(--body-c)}
.review-stars{margin-top:14px}
@media(max-width:767px){
  .review-scroll{display:flex;gap:16px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory}
  .review-scroll > div{flex:0 0 82%;scroll-snap-align:start}
}

/* ============ 深色 CTA ============ */
.cta-dark{position:relative;overflow:hidden;background:var(--ink);border-radius:28px;padding:56px;color:#fff}
.cta-dark__glow{position:absolute;width:520px;height:520px;border-radius:50%;background:var(--grad-brand);filter:blur(120px);opacity:.24;top:-180px;right:-120px;pointer-events:none}
.cta-dark__inner{position:relative;z-index:2;display:flex;align-items:center;gap:40px;flex-wrap:wrap}
.cta-dark h2{color:#fff;font-size:clamp(22px,2.4vw,30px)}
.cta-dark p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.72);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.cta-meta{margin-top:20px;font-size:13px;color:rgba(255,255,255,.5);font-variant-numeric:tabular-nums}
.qr-card{margin-left:auto;background:#fff;border-radius:20px;padding:18px;display:flex;flex-direction:column;align-items:center;gap:10px;box-shadow:var(--shadow-3);flex:0 0 auto}
.qr-box{width:116px;height:116px;border-radius:12px;background-color:#fff;background-image:linear-gradient(45deg,#14121E 25%,transparent 25%,transparent 75%,#14121E 75%),linear-gradient(45deg,#14121E 25%,transparent 25%,transparent 75%,#14121E 75%);background-size:14px 14px;background-position:0 0,7px 7px;border:1px solid var(--line)}
.qr-card span{font-size:13px;font-weight:600;color:var(--head-c)}
@media(max-width:991px){.cta-dark{padding:40px 28px}.qr-card{margin:0 auto}}
@media(max-width:575px){.cta-dark{padding:32px 20px;border-radius:22px}.cta-actions .btn-primary-brand,.cta-actions .btn-outline-brand,.cta-actions .btn-ghost-light{width:100%}}

/* ============ FAQ ============ */
.faq .accordion-item{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-1)}
.faq .accordion-button{position:relative;width:100%;padding:20px 56px 20px 24px;font-size:16px;font-weight:600;color:var(--head-c);background:#fff;box-shadow:none;border-radius:16px;text-align:left}
.faq .accordion-button:not(.collapsed){color:var(--brand-deep);background:var(--brand-soft)}
.faq .accordion-button:not(.collapsed)::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand)}
.faq .accordion-button:focus{box-shadow:none;outline:none}
.faq .accordion-button:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.faq .accordion-button::after{width:16px;height:16px;background-size:16px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%234A4756' stroke-width='1.75' stroke-linecap='round'%3E%3Cpath d='M3 6l5 5 5-5'/%3E%3C/svg%3E");transition:transform .22s var(--ease)}
.faq .accordion-button:not(.collapsed)::after{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%230A8F6B' stroke-width='1.75' stroke-linecap='round'%3E%3Cpath d='M3 6l5 5 5-5'/%3E%3C/svg%3E")}
.faq .accordion-body{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--body-c)}
.faq .accordion-collapse{border:0}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.66);margin-top:0;padding:0 0 28px}
.footer-line{height:1px;background:var(--grad-brand)}
.footer-cols{padding-top:64px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:300px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social span{width:36px;height:36px;border-radius:12px;border:1px solid rgba(255,255,255,.14);display:grid;place-items:center;color:rgba(255,255,255,.66)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66)}
.footer-contact li b{color:#fff;font-weight:600;display:block;font-size:13px;margin-bottom:2px}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.45)}
.footer-bottom p{margin:0}
@media(max-width:767px){.footer-cols{padding-top:48px}}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --brand:#0FBF8F;
  --brand-deep:#0A8F6B;
  --brand-soft:#E6F8F2;
  --accent:#FF6A3D;
  --accent-soft:#FFF0EA;
  --violet:#7A5CFF;
  --ink:#14121E;
  --ink-2:#1E1B2E;
  --paper:#FFFFFF;
  --page:#F4F6F8;
  --line:#E6E9EE;
  --text:#4A4756;
  --title-c:#16141F;
  --muted:#8A8797;
  --grad-brand:linear-gradient(115deg,#0FBF8F 0%,#35C3D6 35%,#7A5CFF 70%,#FF6A3D 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --shadow-1:0 2px 8px rgba(20,18,30,.06);
  --shadow-2:0 10px 28px -12px rgba(20,18,30,.18);
  --shadow-3:0 24px 60px -24px rgba(20,18,30,.28);
  --shadow-brand:0 12px 28px -12px rgba(15,191,143,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-body-color:#4A4756;
  --bs-border-radius:14px;
  --bs-primary:#0FBF8F;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease)}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
h1,h2,h3,h4{color:var(--title-c);margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-nav{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(160%) blur(10px);
  transition:box-shadow .22s var(--ease),background-color .22s var(--ease);
}
.site-nav.is-scrolled{box-shadow:var(--shadow-2);background:rgba(255,255,255,.96)}
.nav-inner{display:flex;align-items:center;gap:22px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;flex:0 0 auto;
  box-shadow:var(--shadow-brand);
}
.brand-text{font-size:18px;font-weight:700;color:var(--title-c);letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:15px;color:var(--text);border-radius:var(--r-sm);white-space:nowrap;
}
.nav-link:hover{color:var(--brand-deep);background:var(--brand-soft)}
.nav-link.active{color:var(--brand-deep);font-weight:600;background:var(--brand-soft)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--grad-brand);
}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{
  display:flex;align-items:center;gap:8px;width:230px;height:44px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:999px;color:var(--muted);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search svg{width:17px;height:17px;flex:0 0 auto}
.nav-search input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--title-c)}
.nav-search input::placeholder{color:var(--muted)}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(15,191,143,.14)}
.btn-ghost-link{
  display:inline-flex;align-items:center;height:44px;padding:0 16px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--title-c);border:1px solid var(--line);background:#fff;
}
.btn-ghost-link:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-deep)}
.btn-nav-cta{
  display:inline-flex;align-items:center;height:44px;padding:0 20px;border-radius:999px;
  background:var(--accent);color:var(--ink);font-size:14px;font-weight:700;letter-spacing:.02em;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
}
.btn-nav-cta:hover{filter:brightness(1.06);box-shadow:0 12px 24px -12px rgba(255,106,61,.7);transform:translateY(-1px);color:var(--ink)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;color:var(--title-c);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-deep)}
.nav-mask{
  position:fixed;inset:0;background:rgba(20,18,30,.42);opacity:0;pointer-events:none;
  transition:opacity .22s var(--ease);z-index:1041;
}
.nav-drawer{
  position:fixed;z-index:1042;top:82px;left:14px;right:14px;padding:18px;
  background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-3);
  display:flex;flex-direction:column;gap:10px;transform:translateY(-12px);opacity:0;
  pointer-events:none;transition:opacity .22s var(--ease),transform .22s var(--ease);
}
body.drawer-open .nav-mask{opacity:1;pointer-events:auto}
body.drawer-open .nav-drawer{opacity:1;transform:translateY(0);pointer-events:auto}
.nav-drawer .nav-link{width:100%;height:48px;font-size:16px}
.drawer-search{display:flex;align-items:center;gap:8px;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:999px;color:var(--muted)}
.drawer-search input{border:0;outline:0;width:100%;font-size:14px;background:transparent;color:var(--title-c)}
.drawer-actions{display:flex;gap:10px;margin-top:4px}
.drawer-actions a{flex:1;justify-content:center}
@media (min-width:992px){.nav-drawer,.nav-mask{display:none}}
@media (max-width:1199.98px){.nav-search{width:180px}}
@media (max-width:991.98px){
  .nav-links{display:none}
  .nav-search{display:none}
  .btn-ghost-link{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{justify-content:space-between}
}

/* ---------- 按钮体系 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:50px;padding:0 26px;border-radius:14px;border:0;
  background:var(--accent);color:var(--ink);font-size:15px;font-weight:700;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
}
.btn-main:hover{filter:brightness(1.06);box-shadow:0 14px 30px -14px rgba(255,106,61,.75);transform:translateY(-2px);color:var(--ink)}
.btn-second{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:50px;padding:0 24px;border-radius:14px;
  background:#fff;color:var(--title-c);border:1px solid var(--line);font-size:15px;font-weight:600;
}
.btn-second:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-deep)}
.btn-ghost-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:50px;padding:0 24px;border-radius:14px;background:transparent;color:#fff;
  border:1.5px solid rgba(255,255,255,.3);font-size:15px;font-weight:600;
}
.btn-ghost-dark:hover{background:rgba(255,255,255,.1);color:#fff}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-deep)}
.link-more:hover{gap:10px;text-decoration:underline;text-underline-offset:4px}

/* ---------- 面包屑与文章头 ---------- */
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap;padding:22px 0 0}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand-deep)}
.crumbs .sep{color:#C9CDD6}
.crumbs .current{color:var(--muted)}
.article-hero{padding:0 0 34px}
.article-hero .hero-inner{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow-1);padding:34px 36px;margin-top:18px;position:relative;overflow:hidden;
}
.article-hero .hero-inner::before{
  content:"";position:absolute;right:-90px;top:-110px;width:300px;height:300px;border-radius:50%;
  background:var(--grad-brand);opacity:.1;filter:blur(6px);
}
.article-hero h1{
  position:relative;font-size:clamp(24px,3.1vw,38px);line-height:1.32;font-weight:800;
  letter-spacing:-.02em;margin:14px 0 18px;max-width:900px;
}
.pill{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);font-size:13px;font-weight:600;
}
.meta-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--muted);position:relative}
.meta-row time,.meta-row .meta-item{font-variant-numeric:tabular-nums}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#D6DAE2}
.share-group{margin-left:auto;display:flex;gap:10px}
.icon-btn{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--text);cursor:pointer;
  transition:border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease);
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand-deep);background:var(--brand-soft)}

/* ---------- 文章主体 ---------- */
.article-section{padding:0 0 88px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:28px;align-items:start}
@media (min-width:1200px){.article-grid{grid-template-columns:minmax(0,1fr) 300px;gap:32px}}
.article-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow-1);padding:32px 36px 36px;
}
.article-cover{margin:0 0 26px;border-radius:var(--r-md);overflow:hidden;background:var(--brand-soft)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-md)}
.article-cover figcaption{font-size:13px;color:var(--muted);padding:10px 4px 0;text-align:center}
.article-body{max-width:820px;font-size:16.5px;line-height:1.9;color:var(--text)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:clamp(19px,1.6vw,22px);line-height:1.45;color:var(--title-c);
  margin:42px 0 14px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;background:var(--grad-brand);
}
.article-body h3{font-size:18px;line-height:1.5;color:var(--title-c);margin:28px 0 10px}
.article-body h4{font-size:16px;color:var(--title-c);margin:22px 0 8px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.45em 0;line-height:1.85}
.article-body li::marker{color:var(--brand-deep)}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;background:var(--brand-soft);color:#2B5C4D;
  border-left:3px solid var(--brand);border-radius:0 16px 16px 0;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:22px auto;height:auto}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-body a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--accent)}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;border-radius:16px;margin:20px 0}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{background:#F8FAFC;color:var(--title-c);font-weight:600}
.article-body pre{
  background:#F1F3F6;border:1px solid var(--line);border-radius:12px;padding:16px;overflow-x:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;line-height:1.7;margin:20px 0;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;
  background:#F1F3F6;border-radius:6px;padding:2px 6px;
}
.article-body pre code{background:transparent;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;text-align:center;padding:30px 10px;
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;margin-bottom:6px;
}
.empty-state strong{font-size:16px;color:var(--title-c)}
.empty-state span{font-size:13px;color:var(--muted)}

/* 标签 */
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:36px;padding-top:26px;border-top:1px solid var(--line)}
.tag-row .label{font-size:13px;color:var(--muted)}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:#F6F8FA;border:1px solid var(--line);font-size:13px;color:var(--text);
}
.tag:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-deep)}

/* 下载引导条 */
.download-bar{
  margin-top:26px;padding:22px 24px;border-radius:20px;
  background:linear-gradient(115deg,rgba(15,191,143,.14) 0%,rgba(122,92,255,.12) 70%,rgba(255,106,61,.12) 100%);
  border:1px solid rgba(15,191,143,.22);
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
}
.download-bar h3{font-size:17px;margin-bottom:4px}
.download-bar p{margin:0;font-size:14px;color:#4A4756}
.download-bar .bar-action{margin-left:auto;display:flex;gap:10px;flex-wrap:wrap}

/* 上下篇 */
.prevnext{display:grid;grid-template-columns:1fr;gap:16px;margin-top:28px}
@media (min-width:768px){.prevnext{grid-template-columns:1fr 1fr}}
.pn-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.pn-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,191,143,.4)}
.pn-card .pn-label{font-size:13px;color:var(--muted);margin-bottom:6px}
.pn-card .pn-title{font-size:15px;font-weight:600;color:var(--title-c);line-height:1.5}
.pn-card.next{text-align:right}

/* 侧栏 */
.article-side{display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);padding:20px}
.side-card h3{font-size:16px;margin-bottom:14px}
.side-list li + li{border-top:1px dashed var(--line)}
.side-list a{display:flex;gap:10px;padding:12px 0;font-size:14px;color:var(--text);line-height:1.6}
.side-list a:hover{color:var(--brand-deep)}
.side-list .idx{
  flex:0 0 auto;width:22px;height:22px;border-radius:6px;background:var(--brand-soft);color:var(--brand-deep);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
}
.side-download{
  background:var(--ink);color:rgba(255,255,255,.82);border:0;position:relative;overflow:hidden;
}
.side-download::before{
  content:"";position:absolute;right:-60px;top:-60px;width:180px;height:180px;border-radius:50%;
  background:var(--grad-brand);opacity:.24;filter:blur(8px);
}
.side-download h3{color:#fff;position:relative}
.side-download p{font-size:13.5px;position:relative;margin-bottom:16px;color:rgba(255,255,255,.72)}
.side-download .btn-main{width:100%;position:relative;min-height:46px;font-size:14px}
@media (min-width:1200px){.article-side{position:sticky;top:96px}}

/* 相关推荐 */
.related{margin-top:44px}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.related-head h2{font-size:clamp(20px,2.1vw,26px)}
.related-head p{margin:6px 0 0;font-size:14px;color:var(--muted)}
.related-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:576px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:992px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,191,143,.4)}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:14px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-top:auto}
.back-line{margin-top:26px;font-size:14px}

/* ---------- CTA 深色区 ---------- */
.cta-band{padding:0 0 88px}
.cta-inner{
  position:relative;overflow:hidden;background:var(--ink);border-radius:var(--r-xl);
  padding:46px 44px;display:grid;grid-template-columns:1fr;gap:28px;align-items:center;color:#fff;
}
@media (min-width:992px){.cta-inner{grid-template-columns:1.4fr .9fr}}
.cta-inner::before{
  content:"";position:absolute;left:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:var(--grad-brand);opacity:.22;filter:blur(10px);
}
.cta-inner > *{position:relative}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,32px);line-height:1.3;margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.74);max-width:520px;margin:0 0 22px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.qr-card{
  background:#fff;border-radius:var(--r-lg);padding:20px;text-align:center;color:var(--title-c);
  box-shadow:var(--shadow-3);max-width:280px;justify-self:start;
}
.qr-box{
  aspect-ratio:1/1;border-radius:var(--r-md);border:1px dashed #C9CDD6;
  display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;
  background:linear-gradient(135deg,#F8FAFC,#EFF3F7);margin-bottom:12px;
}
.qr-card strong{display:block;font-size:15px;margin-bottom:4px}
.qr-card span{font-size:12.5px;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.66);padding-top:0;margin-top:0}
.footer-line{height:1px;background:var(--grad-brand);opacity:.85}
.footer-cols{padding:56px 0 34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-desc{font-size:14px;max-width:330px;line-height:1.8}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-social span{
  width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.16);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);
}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62)}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{font-size:14px;margin-bottom:10px;color:rgba(255,255,255,.62)}
.footer-contact strong{color:#fff;font-weight:600}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom p{margin:0}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-links a{color:rgba(255,255,255,.5)}
.footer-links a:hover{color:var(--brand)}

@media (max-width:767.98px){
  .article-hero .hero-inner{padding:24px 20px;border-radius:var(--r-lg)}
  .article-panel{padding:22px 18px 26px;border-radius:var(--r-lg)}
  .article-cover img{border-radius:14px}
  .download-bar{padding:18px}
  .download-bar .bar-action{margin-left:0;width:100%}
  .download-bar .bar-action .btn-main,.download-bar .bar-action .btn-second{flex:1}
  .cta-inner{padding:30px 22px}
  .qr-card{max-width:100%;width:100%}
  .share-group{margin-left:0;width:100%}
  .article-section,.cta-band{padding-bottom:56px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category1 */
:root{
  --brand:#0FBF8F;
  --brand-deep:#0A8F6B;
  --brand-soft:#E6F8F2;
  --accent:#FF6A3D;
  --accent-soft:#FFF0EA;
  --violet:#7A5CFF;
  --ink:#14121E;
  --ink-2:#1E1B2E;
  --bg:#F4F6F8;
  --line:#E6E9EE;
  --text:#4A4756;
  --head:#16141F;
  --muted:#8A8797;
  --grad-brand:linear-gradient(115deg,#0FBF8F 0%,#35C3D6 35%,#7A5CFF 70%,#FF6A3D 100%);
  --r-sm:10px; --r-md:16px; --r-lg:22px; --r-xl:28px;
  --shadow-1:0 2px 8px rgba(20,18,30,.06);
  --shadow-2:0 10px 28px -12px rgba(20,18,30,.18);
  --shadow-3:0 24px 60px -24px rgba(20,18,30,.28);
  --shadow-brand:0 12px 28px -12px rgba(15,191,143,.45);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;

  --bs-body-font-family:var(--font);
  --bs-body-color:var(--text);
  --bs-body-bg:var(--bg);
  --bs-primary:var(--brand);
  --bs-border-radius:var(--r-md);
  --bs-link-color:var(--brand-deep);
  --bs-link-hover-color:var(--brand);
}

/* ===== base ===== */
*,*::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:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-deep);text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease)}
a:hover{color:var(--brand)}
h1,h2,h3,h4{color:var(--head);margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer}
input{font:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.container{
  width:100%;
  margin-inline:auto;
  padding-inline:16px;
  max-width:720px;
}
@media(min-width:992px){.container{max-width:960px}}
@media(min-width:1200px){.container{max-width:1140px}}
@media(min-width:1400px){.container{max-width:1240px}}

.section{padding:88px 0}
@media(max-width:991.98px){.section{padding:72px 0}}
@media(max-width:767.98px){.section{padding:56px 0}}

.sec-head{max-width:720px;margin-bottom:36px}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25}
.sec-head p{margin-top:12px;color:var(--muted);font-size:15px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-deep);background:var(--brand-soft);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}

/* ===== buttons ===== */
.btn-main,.btn-second,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:14px;
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;
  transition:all var(--ease);
  white-space:nowrap;
}
.btn-main{background:var(--accent);color:var(--ink);box-shadow:0 8px 20px -12px rgba(255,106,61,.75)}
.btn-main:hover{background:#FF8055;color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-brand)}
.btn-second{background:#fff;color:var(--head);border-color:var(--line)}
.btn-second:hover{color:var(--brand-deep);border-color:rgba(15,191,143,.45);background:var(--brand-soft);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.link-more{font-size:14px;font-weight:700;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{gap:10px}

/* ===== nav ===== */
.site-nav{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-nav.scrolled{box-shadow:var(--shadow-2);background:rgba(255,255,255,.98)}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:72px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;flex:0 0 auto;
}
.brand-text{font-size:18px;font-weight:800;color:var(--head);letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:6px;margin-inline:auto}
.nav-link{
  font-size:15px;font-weight:600;color:var(--text);
  padding:8px 14px;border-radius:999px;
  transition:all var(--ease);
}
.nav-link:hover{color:var(--brand-deep);background:var(--brand-soft)}
.nav-link.active{color:var(--brand-deep);background:var(--brand-soft)}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:220px;height:42px;padding:0 16px;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  transition:all var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(15,191,143,.14)}
.nav-search svg{width:16px;height:16px;color:var(--muted);flex:0 0 auto}
.nav-search input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--head)}
.nav-search input::placeholder{color:var(--muted)}
.btn-ghost-link{font-size:14px;font-weight:700;color:var(--head);padding:10px 12px;border-radius:12px}
.btn-ghost-link:hover{color:var(--brand-deep);background:var(--brand-soft)}
.btn-nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 20px;border-radius:999px;
  background:var(--accent);color:var(--ink);font-size:14px;font-weight:800;
  transition:all var(--ease);
}
.btn-nav-cta:hover{background:#FF8055;color:var(--ink);box-shadow:0 10px 22px -12px rgba(255,106,61,.8)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--head);
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:rgba(15,191,143,.45);color:var(--brand-deep)}

@media(max-width:991.98px){
  .nav-inner{gap:12px}
  .nav-toggle{display:inline-flex}
  .nav-links{display:none}
  .nav-search,.btn-ghost-link,.btn-nav-cta{display:none}
  .site-nav.menu-open .nav-inner{flex-wrap:wrap}
  .site-nav.menu-open .nav-links{
    display:flex;flex-direction:column;align-items:stretch;width:100%;
    order:3;margin:12px 0 0;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:22px;
    padding:14px;box-shadow:var(--shadow-2);
  }
  .site-nav.menu-open .nav-link{padding:12px 14px;border-radius:14px}
  .site-nav.menu-open .nav-tools{width:100%;order:4;flex-wrap:wrap;margin-top:12px}
  .site-nav.menu-open .nav-search{display:flex;width:100%;margin:0}
  .site-nav.menu-open .btn-ghost-link,
  .site-nav.menu-open .btn-nav-cta{display:inline-flex}
}

/* ===== breadcrumb ===== */
.crumb{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand-deep)}
.crumb .sep{color:#C7CBD3}
.crumb .current{color:var(--muted)}

/* ===== hero ===== */
.cat-hero{
  position:relative;overflow:hidden;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;right:-140px;bottom:-180px;
  width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(15,191,143,.28),rgba(122,92,255,.16) 45%,rgba(255,106,61,0) 72%);
  filter:blur(10px);pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  min-height:300px;padding:56px 0;
}
.hero-copy h1{font-size:clamp(30px,3.6vw,44px);line-height:1.18;font-weight:800;letter-spacing:-.02em}
.hero-copy .lead{margin-top:16px;font-size:17px;color:var(--text)}
.hero-copy .sub{margin-top:10px;font-size:15px;color:var(--muted);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-xl);box-shadow:var(--shadow-3);
  border:1px solid var(--line);
}
.hero-tag{
  position:absolute;left:-14px;bottom:22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-2);padding:12px 16px;
  font-size:13px;font-weight:700;color:var(--head);
  display:flex;align-items:center;gap:10px;
}
.hero-tag .dot{width:10px;height:10px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(15,191,143,.18)}

@media(max-width:991.98px){
  .hero-inner{grid-template-columns:1fr;gap:28px;padding:40px 0 48px;text-align:left}
  .hero-media img{aspect-ratio:16/9}
  .hero-tag{left:12px;bottom:12px}
}

/* ===== feature rows ===== */
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
  padding:32px 0;
}
.feature-row + .feature-row{border-top:1px dashed var(--line)}
.feature-row.reverse .feature-media{order:2}
.feature-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--shadow-2);
}
.feature-copy h2{font-size:clamp(22px,2.2vw,28px);line-height:1.3}
.feature-copy p{margin-top:14px;font-size:15.5px;color:var(--text)}
.point-list{margin-top:20px;display:grid;gap:12px}
.point-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--text);
}
.point-list li svg{width:20px;height:20px;flex:0 0 auto;margin-top:5px;color:var(--brand)}
.point-list li b{color:var(--head);font-weight:700}
.feature-copy .index-tag{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:.08em;
  color:var(--violet);margin-bottom:10px;
}
@media(max-width:991.98px){
  .feature-row{grid-template-columns:1fr;gap:24px;padding:28px 0}
  .feature-row.reverse .feature-media{order:0}
}

/* ===== stat strip ===== */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.stat-card{
  position:relative;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 22px;box-shadow:var(--shadow-1);
  transition:all var(--ease);
}
.stat-card::before{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);padding:1px;
  background:var(--grad-brand);
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  opacity:.5;pointer-events:none;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.stat-icon{
  width:40px;height:40px;border-radius:12px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand-deep);
  margin-bottom:16px;
}
.stat-card h3{font-size:17px;font-weight:700}
.stat-card p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7}
@media(max-width:991.98px){.stat-strip{grid-template-columns:repeat(2,1fr)}}
@media(max-width:575.98px){.stat-strip{grid-template-columns:1fr}}

/* ===== faq ===== */
.faq-wrap{max-width:880px;margin-inline:auto}
.accordion-item{
  background:#fff;border:1px solid var(--line)!important;
  border-radius:var(--r-md)!important;margin-bottom:14px;overflow:hidden;
  box-shadow:var(--shadow-1);transition:box-shadow var(--ease),border-color var(--ease);
  position:relative;
}
.accordion-item:hover{box-shadow:var(--shadow-2)}
.accordion-button{
  background:#fff!important;color:var(--head)!important;
  font-size:16px;font-weight:700;padding:20px 22px;
  box-shadow:none!important;border:0!important;
}
.accordion-button:not(.collapsed){color:var(--brand-deep)!important;background:#fff!important}
.accordion-button::after{
  background-image:none!important;
  width:18px;height:18px;flex:0 0 auto;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);margin-left:auto;transition:transform var(--ease),border-color var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--brand)}
.accordion-button:focus{outline:2px solid var(--brand);outline-offset:-4px}
.accordion-body{padding:0 22px 22px;font-size:15px;color:var(--text);line-height:1.85}
.accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--grad-brand);opacity:0;transition:opacity var(--ease);
}
.accordion-item:has(.accordion-button:not(.collapsed))::before{opacity:1}

/* ===== cta ===== */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--ink);
  color:#fff;padding:52px 48px;
  box-shadow:var(--shadow-3);
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(15,191,143,.45),rgba(122,92,255,.22) 45%,rgba(255,106,61,0) 72%);
}
.cta-band::after{
  content:"";position:absolute;left:-80px;bottom:-160px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(255,106,61,.35),rgba(255,106,61,0) 70%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:center}
.cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,32px);line-height:1.25}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.78);font-size:15.5px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-note{position:relative;z-index:2;margin-top:22px;font-size:13px;color:rgba(255,255,255,.55)}
.qr-card{
  background:#fff;border-radius:var(--r-lg);padding:22px;text-align:center;
  box-shadow:var(--shadow-2);
}
.qr-box{
  width:100%;aspect-ratio:1/1;border-radius:var(--r-md);
  background:
    repeating-linear-gradient(0deg,#E6E9EE 0 8px,#fff 8px 16px),
    repeating-linear-gradient(90deg,#E6E9EE 0 8px,#fff 8px 16px);
  border:1px solid var(--line);
}
.qr-card span{display:block;margin-top:14px;font-size:13px;font-weight:700;color:var(--head)}
@media(max-width:991.98px){
  .cta-band{padding:40px 28px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
}

/* ===== footer ===== */
.site-footer{
  position:relative;background:var(--ink);color:rgba(255,255,255,.72);
  padding:64px 0 0;margin-top:24px;
}
.footer-line{height:1px;background:var(--grad-brand);position:absolute;top:0;left:0;right:0}
.footer-cols{padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:32px;height:32px}
.footer-brand .brand-text{color:#fff;font-size:17px;font-weight:800}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social span{
  width:36px;height:36px;border-radius:12px;border:1px solid rgba(255,255,255,.16);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);
}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:700}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.66);display:flex;gap:8px}
.footer-contact li b{color:#fff;font-weight:700}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px 24px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .fb-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:var(--brand)}
@media(max-width:767.98px){
  .site-footer{padding-top:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --c-primary:#0FBF8F;
  --c-primary-dark:#0A8F6B;
  --c-primary-soft:#E6F8F2;
  --c-accent:#FF6A3D;
  --c-accent-soft:#FFF0EA;
  --c-violet:#7A5CFF;
  --c-ink:#14121E;
  --c-ink-2:#1E1B2E;
  --c-bg:#F4F6F8;
  --c-surface:#FFFFFF;
  --c-border:#E6E9EE;
  --c-text:#4A4756;
  --c-title:#16141F;
  --c-muted:#8A8797;
  --grad-brand:linear-gradient(115deg,#0FBF8F 0%,#35C3D6 35%,#7A5CFF 70%,#FF6A3D 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(20,18,30,.06);
  --shadow-2:0 10px 28px -12px rgba(20,18,30,.18);
  --shadow-3:0 24px 60px -24px rgba(20,18,30,.28);
  --shadow-brand:0 12px 28px -12px rgba(15,191,143,.45);
  --t:220ms cubic-bezier(.2,.7,.3,1);
  --bs-body-font-family:inherit;
  --bs-body-color:#4A4756;
  --bs-border-radius:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary-dark);text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t)}
a:hover{color:var(--c-primary)}
h1,h2,h3,h4{margin:0;color:var(--c-title);font-weight:700;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (max-width:1199.98px){.container{max-width:1140px}}
@media (max-width:991.98px){.container{max-width:960px}}
@media (max-width:767.98px){.container{max-width:720px}}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px}}
.num{font-variant-numeric:tabular-nums}

/* ===== 导航 ===== */
.site-nav{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--c-border);
  transition:box-shadow var(--t),background var(--t);
}
.site-nav.is-scrolled{box-shadow:var(--shadow-2);background:rgba(255,255,255,.96)}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;
  box-shadow:var(--shadow-brand);
}
.brand-text{font-size:18px;font-weight:700;color:var(--c-title);letter-spacing:-.01em;white-space:nowrap}
.brand:hover .brand-text{color:var(--c-primary-dark)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--c-text);white-space:nowrap;
  transition:color var(--t),background-color var(--t);
}
.nav-link:hover{color:var(--c-primary-dark);background:var(--c-primary-soft)}
.nav-link.active{color:var(--c-primary-dark);background:var(--c-primary-soft);font-weight:600}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  position:relative;display:flex;align-items:center;
  width:220px;height:42px;border-radius:var(--r-pill);
  border:1px solid var(--c-border);background:#fff;
  transition:border-color var(--t),box-shadow var(--t);
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(15,191,143,.14)}
.nav-search svg{width:16px;height:16px;margin:0 8px 0 14px;color:var(--c-muted);flex:0 0 auto}
.nav-search input{
  flex:1;height:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--c-title);padding-right:14px;
}
.nav-search input::placeholder{color:var(--c-muted)}
.btn-ghost-link{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:42px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--c-title);border:1px solid var(--c-border);background:#fff;
  transition:border-color var(--t),background var(--t),color var(--t);
}
.btn-ghost-link:hover{border-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary-dark)}
.btn-nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--c-accent);color:var(--c-ink);font-weight:700;font-size:14.5px;
  transition:filter var(--t),box-shadow var(--t),transform var(--t);
}
.btn-nav-cta:hover{filter:brightness(1.06);color:var(--c-ink);box-shadow:0 12px 28px -12px rgba(255,106,61,.6);transform:translateY(-1px)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--c-border);background:#fff;color:var(--c-title);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary-dark)}
@media (max-width:991.98px){
  .nav-search{display:none}
  .btn-ghost-link{display:none}
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:absolute;left:16px;right:16px;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:4px;margin:0;
    padding:12px;background:#fff;border:1px solid var(--c-border);
    border-radius:var(--r-lg);box-shadow:var(--shadow-3);
    display:none;
  }
  .site-nav.is-open .nav-links{display:flex}
  .nav-link{padding:12px 14px;border-radius:var(--r-md);font-size:15px}
}
@media (max-width:575.98px){
  .brand-text{font-size:16px}
  .btn-nav-cta{padding:0 14px;min-height:42px;font-size:13.5px}
}

/* ===== 按钮 ===== */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:50px;padding:0 26px;border-radius:14px;border:0;
  background:var(--c-accent);color:var(--c-ink);font-size:15.5px;font-weight:700;
  cursor:pointer;transition:filter var(--t),box-shadow var(--t),transform var(--t);
}
.btn-brand:hover{filter:brightness(1.06);color:var(--c-ink);box-shadow:0 12px 28px -12px rgba(255,106,61,.65);transform:translateY(-2px)}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:50px;padding:0 24px;border-radius:14px;
  background:#fff;color:var(--c-title);border:1px solid var(--c-border);
  font-size:15.5px;font-weight:600;cursor:pointer;
  transition:border-color var(--t),background var(--t),color var(--t),transform var(--t);
}
.btn-outline-brand:hover{border-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary-dark);transform:translateY(-2px)}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:50px;padding:0 24px;border-radius:14px;
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.3);
  font-size:15.5px;font-weight:600;transition:background var(--t),border-color var(--t);
}
.btn-ghost-light:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.55);color:#fff}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--c-primary-dark)}
.link-arrow:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px}

/* ===== 面包屑 ===== */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:16px}
.crumbs a{color:var(--c-muted)}
.crumbs a:hover{color:var(--c-primary-dark)}
.crumbs span.sep{color:#C9CDD6}
.crumbs .current{color:var(--c-title)}

/* ===== Hero ===== */
.page-hero{
  position:relative;overflow:hidden;
  padding:64px 0 72px;
  background:
    radial-gradient(760px 340px at 88% 0%,rgba(122,92,255,.18),transparent 62%),
    radial-gradient(680px 320px at 6% 100%,rgba(15,191,143,.16),transparent 60%),
    #fff;
  border-bottom:1px solid var(--c-border);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(115deg,rgba(15,191,143,.05),rgba(255,106,61,.05));
}
.page-hero .container{position:relative;z-index:2}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  font-size:13px;font-weight:600;margin-bottom:18px;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);display:block}
.page-hero h1{
  font-size:clamp(28px,3.6vw,44px);line-height:1.18;font-weight:800;letter-spacing:-.02em;margin-bottom:16px;
}
.hero-lead{font-size:17px;color:var(--c-text);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px}
.hero-facts li{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-border);
  font-size:13.5px;color:var(--c-text);
}
.hero-facts li b{color:var(--c-title);font-weight:700}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;border-radius:var(--r-lg);aspect-ratio:16/11;object-fit:cover;
  box-shadow:var(--shadow-3);border:1px solid var(--c-border);
}
.hero-float{
  position:absolute;left:-14px;bottom:22px;
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-md);
  box-shadow:var(--shadow-2);padding:12px 16px;display:flex;align-items:center;gap:12px;
}
.hero-float .dot{
  width:32px;height:32px;border-radius:10px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;font-size:13px;font-weight:700;
}
.hero-float small{display:block;font-size:12px;color:var(--c-muted);line-height:1.4}
.hero-float strong{font-size:14px;color:var(--c-title);line-height:1.4}
@media (max-width:991.98px){
  .page-hero{padding:48px 0 56px}
  .hero-visual{margin-top:32px}
  .hero-float{left:12px;bottom:12px}
}
@media (max-width:575.98px){
  .page-hero{padding:36px 0 48px}
  .hero-lead{font-size:15.5px}
  .btn-brand,.btn-outline-brand{width:100%}
}

/* ===== 板块通用 ===== */
.section{padding:88px 0}
.section.alt{background:#fff;border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
.section-head{max-width:720px;margin-bottom:44px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--c-primary-dark);text-transform:uppercase;margin-bottom:12px;
}
.sec-title{font-size:clamp(24px,2.6vw,34px);line-height:1.25;margin-bottom:14px}
.sec-sub{font-size:16px;color:var(--c-text)}
@media (max-width:991.98px){.section{padding:72px 0}}
@media (max-width:575.98px){.section{padding:56px 0}}

/* ===== 目录卡 ===== */
.toc-card{
  position:sticky;top:96px;
  background:#fff;border:1px solid var(--c-border);border-radius:20px;
  padding:20px;box-shadow:var(--shadow-1);
}
.toc-title{font-size:13px;font-weight:700;color:var(--c-muted);letter-spacing:.06em;margin-bottom:14px}
.toc-list{display:flex;flex-direction:column;gap:4px}
.toc-link{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;border-radius:var(--r-sm);
  font-size:14px;color:var(--c-text);
  border-left:3px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.toc-link .idx{font-size:12px;font-weight:700;color:var(--c-muted);font-variant-numeric:tabular-nums}
.toc-link:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.toc-link.active{background:var(--c-primary-soft);color:var(--c-primary-dark);font-weight:700;border-left-color:var(--c-primary)}
.toc-link.active .idx{color:var(--c-primary-dark)}
@media (max-width:991.98px){
  .toc-card{
    position:sticky;top:76px;z-index:20;
    padding:10px;border-radius:var(--r-pill);
    display:flex;overflow-x:auto;gap:8px;
    box-shadow:var(--shadow-2);
    scrollbar-width:none;
  }
  .toc-card::-webkit-scrollbar{display:none}
  .toc-title{display:none}
  .toc-list{flex-direction:row;gap:8px}
  .toc-link{padding:8px 14px;border-radius:var(--r-pill);white-space:nowrap;border-left:0;border:1px solid var(--c-border);font-size:13.5px}
  .toc-link.active{border-color:var(--c-primary)}
}

/* ===== 步骤流 ===== */
.step-flow{padding-left:2px}
.step{position:relative;display:flex;gap:20px;padding-bottom:30px}
.step:last-child{padding-bottom:0}
.step:not(:last-child)::before{
  content:"";position:absolute;left:19px;top:50px;width:2px;
  height:calc(100% - 50px);
  background:repeating-linear-gradient(to bottom,#D7DCE4 0 6px,transparent 6px 12px);
}
.step-num{
  flex:0 0 40px;width:40px;height:40px;border-radius:50%;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
  box-shadow:0 10px 22px -12px rgba(15,191,143,.8);
  position:relative;z-index:2;
}
.step-card{
  flex:1;background:#fff;border:1px solid var(--c-border);
  border-radius:20px;padding:24px 26px;box-shadow:var(--shadow-1);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.step-card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);border-color:rgba(15,191,143,.4)}
.step-card h3{font-size:19px;margin-bottom:10px;line-height:1.4}
.step-card > p{font-size:15.5px;color:var(--c-text);margin-bottom:14px}
.step-points{display:flex;flex-direction:column;gap:8px}
.step-points li{position:relative;padding-left:20px;font-size:14.5px;color:var(--c-text)}
.step-points li::before{
  content:"";position:absolute;left:4px;top:11px;
  width:6px;height:6px;border-radius:50%;background:var(--c-primary);
}
.step-note{
  margin-top:14px;padding:12px 16px;border-radius:var(--r-md);
  background:var(--c-accent-soft);color:#8A4A31;font-size:13.5px;
  border-left:3px solid var(--c-accent);
}
@media (max-width:575.98px){
  .step{gap:14px}
  .step:not(:last-child)::before{left:17px}
  .step-num{flex:0 0 36px;width:36px;height:36px;font-size:14px}
  .step-card{padding:20px 18px;border-radius:var(--r-md)}
  .step-card h3{font-size:17px}
}

/* ===== 要求卡 ===== */
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.req-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow-1);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.req-card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);border-color:rgba(15,191,143,.4)}
.req-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.req-icon{
  width:44px;height:44px;border-radius:14px;background:var(--c-primary-soft);
  color:var(--c-primary-dark);display:grid;place-items:center;flex:0 0 auto;
}
.req-head h3{font-size:18px}
.req-head span{display:block;font-size:12.5px;color:var(--c-muted);font-weight:400;margin-top:2px}
.kv-list{display:flex;flex-direction:column}
.kv-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 0;border-bottom:1px dashed var(--c-border);font-size:14.5px;
}
.kv-row:last-child{border-bottom:0}
.kv-row .k{color:var(--c-muted)}
.kv-row .v{color:var(--c-title);font-weight:600;text-align:right;font-variant-numeric:tabular-nums}
@media (max-width:991.98px){.req-grid{grid-template-columns:1fr;gap:18px}}
@media (min-width:576px) and (max-width:991.98px){.req-grid{grid-template-columns:repeat(2,1fr)}}

/* ===== 安全校验卡 ===== */
.safe-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.safe-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow-1);transition:box-shadow var(--t),transform var(--t);
}
.safe-card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px)}
.safe-card .tagline{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;color:var(--c-violet);
  background:rgba(122,92,255,.1);border-radius:var(--r-pill);
  padding:5px 12px;margin-bottom:16px;
}
.safe-card h3{font-size:18px;margin-bottom:10px}
.safe-card p{font-size:14.5px;color:var(--c-text)}
@media (max-width:991.98px){.safe-grid{grid-template-columns:1fr;gap:18px}}
@media (min-width:576px) and (max-width:991.98px){.safe-grid{grid-template-columns:repeat(2,1fr)}}

/* ===== 数据徽章条 ===== */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-xl);
  padding:28px;box-shadow:var(--shadow-1);
}
.stat-item{
  padding:8px 4px;border-right:1px solid var(--c-border);
}
.stat-item:last-child{border-right:0}
.stat-item .val{
  font-size:clamp(24px,2.6vw,32px);font-weight:700;color:var(--c-title);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-item .val small{font-size:14px;font-weight:600;color:var(--c-muted);margin-left:4px}
.stat-item .cap{font-size:13.5px;color:var(--c-muted);margin-top:6px}
.stat-foot{font-size:13px;color:var(--c-muted);margin-top:14px}
@media (max-width:767.98px){
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:16px;padding:20px;border-radius:var(--r-lg)}
  .stat-item{border-right:0;border-bottom:1px dashed var(--c-border);padding-bottom:16px}
  .stat-item:nth-last-child(-n+2){border-bottom:0;padding-bottom:0}
}

/* ===== 更新清单 ===== */
.update-list{display:flex;flex-direction:column;gap:14px;margin-top:28px}
.update-list li{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--shadow-1);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.update-list li:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);border-color:rgba(15,191,143,.4)}
.update-list .badge-mini{
  flex:0 0 auto;font-size:12.5px;font-weight:700;color:var(--c-primary-dark);
  background:var(--c-primary-soft);border-radius:var(--r-pill);padding:4px 12px;margin-top:2px;
}
.update-list h4{font-size:16px;margin-bottom:6px}
.update-list p{font-size:14.5px;color:var(--c-text)}

/* ===== FAQ ===== */
.faq-acc{display:flex;flex-direction:column;gap:14px}
.faq-acc .accordion-item{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-1);transition:box-shadow var(--t),border-color var(--t);
}
.faq-acc .accordion-item:hover{box-shadow:var(--shadow-2);border-color:rgba(15,191,143,.4)}
.faq-acc .accordion-button{
  width:100%;background:#fff;border:0;box-shadow:none;
  padding:20px 52px 20px 22px;font-size:16.5px;font-weight:600;color:var(--c-title);
  text-align:left;position:relative;line-height:1.5;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--c-primary-dark);background:#fff}
.faq-acc .accordion-button:focus{box-shadow:none}
.faq-acc .accordion-button::after{
  content:"";position:absolute;right:22px;top:50%;
  width:10px;height:10px;margin:0;
  border-right:2px solid var(--c-muted);border-bottom:2px solid var(--c-muted);
  transform:translateY(-70%) rotate(45deg);
  transition:transform var(--t),border-color var(--t);
  background:none;
}
.faq-acc .accordion-button:not(.collapsed)::after{border-color:var(--c-primary);transform:translateY(-30%) rotate(-135deg)}
.faq-acc .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;
  background:var(--grad-brand);border-radius:0 4px 4px 0;
}
.faq-acc .accordion-body{padding:0 22px 22px;font-size:15px;color:var(--c-text)}

/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;margin:0 0 0;
  padding:72px 0;
  background:var(--c-ink);
  color:#D9D6E4;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.22;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 300px at 82% 20%,rgba(122,92,255,.34),transparent 62%),
             radial-gradient(560px 300px at 6% 90%,rgba(15,191,143,.3),transparent 60%);
}
.cta-band .container{position:relative;z-index:2}
.cta-inner{display:flex;flex-wrap:wrap;gap:36px;align-items:center;justify-content:space-between}
.cta-copy{flex:1 1 420px;max-width:600px}
.cta-copy h2{color:#fff;font-size:clamp(24px,2.8vw,32px);margin-bottom:14px}
.cta-copy p{font-size:16px;color:rgba(255,255,255,.74);margin-bottom:26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.cta-actions .link-arrow{color:#7BE3C4}
.cta-actions .link-arrow:hover{color:#fff}
.qr-card{
  flex:0 0 auto;background:#fff;border-radius:var(--r-lg);
  padding:22px;text-align:center;box-shadow:var(--shadow-3);
}
.qr-card svg{width:132px;height:132px;display:block;margin:0 auto 12px;border-radius:10px}
.qr-card strong{display:block;font-size:14.5px;color:var(--c-title)}
.qr-card span{display:block;font-size:12.5px;color:var(--c-muted);margin-top:4px}
@media (max-width:767.98px){
  .cta-band{padding:56px 0}
  .cta-actions .btn-brand,.cta-actions .btn-ghost-light{width:100%}
  .qr-card{width:100%}
}

/* ===== 页脚 ===== */
.site-footer{position:relative;background:var(--c-ink);color:#B8B4C6;padding:0 0 0}
.footer-line{height:1px;background:var(--grad-brand)}
.footer-cols{padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-desc{font-size:14px;color:#9C98AC;max-width:320px;line-height:1.8}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social span{
  width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16);color:#B8B4C6;
  display:grid;place-items:center;transition:border-color var(--t),color var(--t);
}
.footer-social span:hover{border-color:var(--c-primary);color:var(--c-primary)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:#9C98AC}
.footer-col a:hover{color:var(--c-primary)}
.footer-contact li{font-size:14px;color:#9C98AC;display:flex;gap:10px;align-items:flex-start;line-height:1.7}
.footer-contact li strong{color:#fff;font-weight:600}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:#8A8797;
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom a{color:#8A8797}
.footer-bottom a:hover{color:var(--c-primary)}
@media (max-width:767.98px){
  .footer-cols{padding:48px 0 28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --brand:#0FBF8F;
  --brand-dark:#0A8F6B;
  --brand-soft:#E6F8F2;
  --accent:#FF6A3D;
  --accent-soft:#FFF0EA;
  --violet:#7A5CFF;
  --ink:#14121E;
  --ink-2:#1E1B2E;
  --page:#F4F6F8;
  --line:#E6E9EE;
  --text:#4A4756;
  --title:#16141F;
  --muted:#8A8797;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --shadow-1:0 2px 8px rgba(20,18,30,.06);
  --shadow-2:0 10px 28px -12px rgba(20,18,30,.18);
  --shadow-3:0 24px 60px -24px rgba(20,18,30,.28);
  --shadow-brand:0 12px 28px -12px rgba(15,191,143,.45);
  --grad-brand:linear-gradient(115deg,#0FBF8F 0%,#35C3D6 35%,#7A5CFF 70%,#FF6A3D 100%);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-body-color:#4A4756;
  --bs-body-bg:#F4F6F8;
  --bs-border-radius:16px;
  --bs-primary:#0FBF8F;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-dark);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--brand)}
h1,h2,h3,h4,h5{color:var(--title);margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
@media (min-width:1400px){.container{max-width:1240px}}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25}
.section-head .sub{font-size:15px;color:var(--muted);margin-top:10px;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.02em;background:var(--brand-soft);color:var(--brand-dark)}
.link-more{font-size:14px;font-weight:600;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- 导航 ---------- */
.site-nav{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.93);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-nav.scrolled{box-shadow:var(--shadow-2)}
.nav-inner{position:relative;display:flex;align-items:center;gap:26px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--title);font-weight:700;font-size:18px;white-space:nowrap;text-decoration:none}
.brand:hover{color:var(--title)}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:10px;
  background:var(--grad-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-brand);
}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto}
.nav-link{
  position:relative;padding:9px 13px;border-radius:10px;
  font-size:15px;color:var(--text);text-decoration:none;
  transition:color .22s var(--ease),background-color .22s var(--ease);
}
.nav-link:hover{color:var(--brand-dark);background:var(--brand-soft)}
.nav-link.active{color:var(--brand-dark);background:var(--brand-soft);font-weight:600}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;width:224px;height:44px;
  padding:0 14px;border:1px solid var(--line);border-radius:999px;background:#fff;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search svg{width:18px;height:18px;flex:0 0 18px;color:var(--muted)}
.nav-search input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--title)}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(15,191,143,.15)}
.btn-ghost-link{
  display:inline-flex;align-items:center;height:44px;padding:0 12px;
  font-size:14px;font-weight:600;color:var(--text);border-radius:10px;
  transition:color .22s var(--ease),background-color .22s var(--ease);
}
.btn-ghost-link:hover{color:var(--brand-dark);background:var(--brand-soft)}
.btn-nav-cta{
  display:inline-flex;align-items:center;height:44px;padding:0 20px;
  border-radius:999px;background:var(--accent);color:var(--ink);
  font-size:14px;font-weight:700;text-decoration:none;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
}
.btn-nav-cta:hover{color:var(--ink);transform:translateY(-1px);box-shadow:0 14px 26px -12px rgba(255,106,61,.65);filter:brightness(1.04)}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--title);
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--brand);background:var(--brand-soft)}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border:0;border-radius:14px;
  background:var(--accent);color:var(--ink);font-size:16px;font-weight:700;
  text-decoration:none;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
}
.btn-main:hover{color:var(--ink);transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(255,106,61,.62);filter:brightness(1.05)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 26px;border-radius:14px;
  border:1.5px solid rgba(255,255,255,.3);background:transparent;
  color:#fff;font-size:16px;font-weight:600;text-decoration:none;cursor:pointer;
  transition:background-color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5);color:#fff;transform:translateY(-2px)}
.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--title);font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;
  transition:border-color .22s var(--ease),background-color .22s var(--ease),transform .22s var(--ease);
}
.btn-soft:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}

/* ---------- 深色 Hero ---------- */
.hero-dark{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(180deg,rgba(20,18,30,.94) 0%,rgba(20,18,30,.88) 60%,rgba(20,18,30,.96) 100%),
             url('/assets/images/backpic/back-3.png') center/cover no-repeat;
}
.hero-glow{position:absolute;pointer-events:none;border-radius:50%;filter:blur(6px);opacity:.5}
.hero-glow.g1{width:560px;height:560px;top:-220px;right:-120px;background:radial-gradient(circle at center,rgba(15,191,143,.5),rgba(15,191,143,0) 68%)}
.hero-glow.g2{width:480px;height:480px;bottom:-240px;left:-140px;background:radial-gradient(circle at center,rgba(122,92,255,.45),rgba(122,92,255,0) 70%)}
.hero-glow.g3{width:360px;height:360px;top:120px;right:180px;background:radial-gradient(circle at center,rgba(255,106,61,.32),rgba(255,106,61,0) 70%)}
.hero-inner{position:relative;z-index:2;padding:76px 0 84px;max-width:860px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.55);margin-bottom:24px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.62);text-decoration:none}
.crumb a:hover{color:var(--brand)}
.crumb .sep{opacity:.5}
.crumb .now{color:rgba(255,255,255,.45)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:rgba(15,191,143,.16);border:1px solid rgba(15,191,143,.4);
  color:#8FF0D2;font-size:13px;font-weight:600;margin-bottom:22px;
}
.hero-badge svg{width:16px;height:16px}
.hero-dark h1{
  font-size:clamp(30px,4.4vw,50px);line-height:1.16;font-weight:800;letter-spacing:-.02em;color:#fff;
}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.76);max-width:640px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero-search{margin-top:42px;display:flex;gap:12px;flex-wrap:wrap;max-width:720px}
.hero-search-field{
  flex:1 1 320px;display:flex;align-items:center;gap:10px;height:54px;padding:0 18px;
  border-radius:14px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);
  backdrop-filter:blur(6px);transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.hero-search-field:focus-within{border-color:rgba(15,191,143,.7);background:rgba(255,255,255,.12)}
.hero-search-field svg{width:19px;height:19px;flex:0 0 19px;color:rgba(255,255,255,.6)}
.hero-search-field input{width:100%;border:0;outline:0;background:transparent;color:#fff;font-size:15px}
.hero-search-field input::placeholder{color:rgba(255,255,255,.5)}
.hero-filters{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.filter-chip{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.2);background:transparent;color:rgba(255,255,255,.78);
  font-size:13px;cursor:pointer;transition:all .22s var(--ease);
}
.filter-chip:hover{border-color:rgba(15,191,143,.5);color:#fff}
.filter-chip.active{background:rgba(15,191,143,.18);border-color:rgba(15,191,143,.6);color:#8FF0D2;font-weight:600}
.hero-meta{display:flex;gap:28px;flex-wrap:wrap;margin-top:40px;padding-top:28px;border-top:1px solid rgba(255,255,255,.1)}
.hero-meta div{font-size:13px;color:rgba(255,255,255,.55)}
.hero-meta strong{display:block;font-size:22px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;margin-bottom:2px}

/* ---------- 深色时间轴板块 ---------- */
.section-dark{background:var(--ink);color:rgba(255,255,255,.7);position:relative;overflow:hidden}
.section-dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(700px 340px at 88% 0%,rgba(122,92,255,.18),transparent 70%),
             radial-gradient(600px 320px at 6% 100%,rgba(15,191,143,.14),transparent 72%);
}
.section-dark .container{position:relative;z-index:2}
.section-dark h2{color:#fff}
.section-dark .sub{color:rgba(255,255,255,.6)}
.timeline{position:relative;display:flex;flex-direction:column;gap:26px;margin-top:8px}
.tl-item{display:grid;grid-template-columns:84px 34px 1fr;gap:18px;align-items:start}
.tl-date{text-align:right;padding-top:6px}
.tl-date .d{display:block;font-size:26px;font-weight:700;line-height:1;color:#fff;font-variant-numeric:tabular-nums}
.tl-date .m{display:block;font-size:12px;letter-spacing:.04em;color:rgba(255,255,255,.48);margin-top:6px}
.tl-rail{position:relative;height:100%;display:flex;justify-content:center}
.tl-rail::before{
  content:"";position:absolute;top:8px;bottom:-26px;left:50%;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(15,191,143,.65),rgba(122,92,255,.22));
}
.tl-item:last-child .tl-rail::before{bottom:auto;height:44px;background:linear-gradient(180deg,rgba(15,191,143,.65),rgba(15,191,143,0))}
.tl-dot{
  position:relative;z-index:2;width:32px;height:32px;border-radius:50%;
  background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 6px rgba(15,191,143,.1);
}
.tl-dot svg{width:16px;height:16px}
.tl-card{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);
  border-radius:20px;padding:22px 24px;
  transition:transform .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.07);border-color:rgba(15,191,143,.45);box-shadow:0 24px 50px -30px rgba(0,0,0,.9)}
.tl-card h3{font-size:18px;color:#fff;line-height:1.45;margin-bottom:8px}
.tl-card p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66)}
.tl-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.tl-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  font-size:12px;background:rgba(15,191,143,.14);color:#8FF0D2;border:1px solid rgba(15,191,143,.28);
}
.tl-tag.violet{background:rgba(122,92,255,.16);color:#C7BAFF;border-color:rgba(122,92,255,.32)}
.tl-tag.orange{background:rgba(255,106,61,.14);color:#FFB79F;border-color:rgba(255,106,61,.3)}

/* ---------- 数据卡 ---------- */
.stat-card{
  position:relative;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:22px;padding:30px 26px 24px;overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.stat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);opacity:.85}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,191,143,.4)}
.stat-icon{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-dark);margin-bottom:20px;
}
.stat-icon svg{width:22px;height:22px}
.stat-num{font-size:clamp(28px,3.2vw,36px);font-weight:700;line-height:1.05;color:var(--title);font-variant-numeric:tabular-nums}
.stat-num em{font-style:normal;font-size:15px;font-weight:600;color:var(--brand-dark);margin-left:6px;letter-spacing:0}
.stat-card h3{font-size:18px;margin:10px 0 8px}
.stat-card p{font-size:14px;line-height:1.8;color:var(--text)}
.stat-note{margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted)}

/* ---------- 帮助入口卡 ---------- */
.help-card{
  height:100%;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:22px;overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.help-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,191,143,.4)}
.help-card-img{position:relative;overflow:hidden}
.help-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform .4s var(--ease)}
.help-card:hover img{transform:scale(1.04)}
.help-card-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.help-card-body h3{font-size:19px;line-height:1.45}
.help-card-body p{font-size:14px;line-height:1.8;color:var(--text)}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--brand-soft);color:var(--brand-dark);width:fit-content;
}
.tag.orange{background:var(--accent-soft);color:#D64A1E}
.tag.violet{background:#F1EEFF;color:#5B44D6}
.help-card .link-more{margin-top:auto}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-1);
}
.faq-accordion .accordion-button{
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--title);
  background:#fff;border:0;box-shadow:none;line-height:1.6;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--brand-dark);background:var(--brand-soft);
  box-shadow:inset 4px 0 0 0 var(--brand);
}
.faq-accordion .accordion-button:focus{box-shadow:inset 0 0 0 0 transparent;outline:2px solid var(--brand);outline-offset:-2px}
.faq-accordion .accordion-button::after{
  width:18px;height:18px;flex:0 0 18px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230A8F6B' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-size:18px 18px;background-position:center;background-repeat:no-repeat;
  transition:transform .22s var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.faq-accordion .accordion-body{padding:20px 22px 24px;font-size:15px;line-height:1.85;color:var(--text);background:#fff;border-top:1px solid var(--line)}

/* ---------- 订阅 CTA ---------- */
.subscribe-panel{
  position:relative;overflow:hidden;border-radius:28px;color:#fff;
  background:linear-gradient(120deg,rgba(20,18,30,.96),rgba(30,27,46,.98)),
             url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding:52px 48px;
}
.subscribe-panel::after{
  content:"";position:absolute;right:-140px;top:-160px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(15,191,143,.35),rgba(15,191,143,0) 70%);
  pointer-events:none;
}
.subscribe-panel .inner{position:relative;z-index:2;max-width:620px}
.subscribe-panel h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.3}
.subscribe-panel p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.72)}
.sub-form{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px;max-width:560px}
.sub-form input{
  flex:1 1 260px;height:52px;padding:0 18px;border-radius:14px;
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);
  color:#fff;font-size:15px;outline:0;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease);
}
.sub-form input::placeholder{color:rgba(255,255,255,.45)}
.sub-form input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(15,191,143,.2);background:rgba(255,255,255,.12)}
.sub-form input.is-invalid{border-color:#E24C4C;box-shadow:0 0 0 4px rgba(226,76,76,.2)}
.sub-form input.is-valid{border-color:var(--brand);box-shadow:0 0 0 4px rgba(15,191,143,.2)}
.form-msg{margin-top:14px;font-size:13px;min-height:20px}
.form-msg.error{color:#FFB4A0}
.form-msg.ok{color:#8FF0D2}
.sub-hint{margin-top:16px;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.62);position:relative}
.footer-line{height:3px;background:var(--grad-brand);opacity:.9}
.footer-cols{padding:56px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.9;max-width:330px;color:rgba(255,255,255,.6)}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social span{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.14);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.6);
  transition:border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease);
}
.footer-social span:hover{border-color:rgba(15,191,143,.6);color:var(--brand);background:rgba(15,191,143,.08)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{color:rgba(255,255,255,.62);font-size:14px;text-decoration:none}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.62);line-height:1.8}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-search{width:180px}
  .nav-links{gap:2px}
  .nav-link{padding:9px 10px;font-size:14px}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .nav-inner{height:64px;gap:12px}
  .brand{font-size:17px}
  .nav-toggle{display:inline-flex;margin-left:8px}
  .nav-search,.btn-ghost-link{display:none}
  .nav-links{
    position:absolute;top:calc(100% + 10px);left:16px;right:16px;
    flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;border:1px solid var(--line);border-radius:22px;padding:14px;
    box-shadow:var(--shadow-3);
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .22s var(--ease),transform .22s var(--ease);
  }
  .site-nav.nav-open .nav-links{opacity:1;transform:translateY(0);pointer-events:auto}
  .nav-link{padding:13px 14px;font-size:15px}
  .hero-inner{padding:56px 0 62px}
  .hero-glow.g3{display:none}
  .subscribe-panel{padding:38px 28px}
  .footer-cols{padding:44px 0 30px}
}
@media (max-width:767.98px){
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .tl-item{grid-template-columns:56px 28px 1fr;gap:12px}
  .tl-date .d{font-size:20px}
  .tl-date .m{font-size:11px}
  .tl-card{padding:18px 18px}
  .tl-card h3{font-size:16px}
  .hero-meta{gap:20px}
  .hero-meta strong{font-size:19px}
  .stat-card{padding:24px 20px 20px}
}
@media (max-width:575.98px){
  body{font-size:15px}
  .brand-text{font-size:16px}
  .btn-main,.btn-ghost{width:100%;padding:0 20px;font-size:15px}
  .hero-actions{gap:10px}
  .subscribe-panel{padding:30px 20px;border-radius:22px}
  .sub-form input,.sub-form .btn-main{width:100%;flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  html{scroll-behavior:auto}
}