/* roulang page: index */
:root{
  --bg:#07111F;
  --panel:#0D1B2E;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.12);
  --line-soft:rgba(255,255,255,.08);
  --text:#EAF2FF;
  --muted:#A9B8CC;
  --dim:#6F8199;
  --cyan:#35E0C8;
  --cyan-2:#2DD4BF;
  --orange:#FF8A4C;
  --violet:#7C6CFF;
  --r-card:20px;
  --r-btn:12px;
  --r-img:16px;
  --shadow-card:0 24px 80px rgba(0,0,0,.35);
  --shadow-hover:0 30px 80px rgba(0,0,0,.5);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:1rem;
  line-height:1.78;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 620px at 8% -10%, rgba(53,224,200,.16), transparent 62%),
    radial-gradient(820px 600px at 96% 2%, rgba(124,108,255,.13), transparent 62%),
    radial-gradient(760px 520px at 55% 108%, rgba(255,138,76,.08), transparent 62%),
    linear-gradient(rgba(255,255,255,.021) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.021) 1px, transparent 1px);
  background-size:auto,auto,auto,68px 68px,68px 68px;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;line-height:1.3;margin:0;}
p{margin:0;}
::selection{background:rgba(53,224,200,.32);color:#fff;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

.container{max-width:1280px;padding-inline:16px;}
@media (min-width:768px){.container{padding-inline:24px;}}
@media (min-width:1200px){.container{padding-inline:32px;}}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1050;
  background:rgba(7,17,31,.42);
  border-bottom:1px solid transparent;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(6,14,26,.9);
  border-bottom-color:rgba(53,224,200,.3);
  box-shadow:0 18px 44px rgba(0,0,0,.5);
}
.navbar{padding:0;background:transparent;}
.nav-inner{display:flex;align-items:center;height:68px;gap:16px;}
.navbar-brand{padding:0;margin:0;display:flex;align-items:center;gap:11px;}
.brand-mark{
  width:38px;height:38px;flex:none;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(53,224,200,.9),rgba(124,108,255,.75));
  box-shadow:0 0 0 1px rgba(53,224,200,.4),0 10px 26px rgba(53,224,200,.3);
}
.brand-mark i{color:#04141a;font-size:17px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:1.02rem;font-weight:700;color:var(--text);letter-spacing:.01em;}
.brand-text span{font-size:.66rem;color:var(--dim);letter-spacing:.22em;text-transform:uppercase;}
.navbar-toggler{
  border:1px solid var(--line);border-radius:12px;padding:9px 11px;
  background:rgba(255,255,255,.05);box-shadow:none;
}
.navbar-toggler:focus{box-shadow:0 0 0 2px rgba(53,224,200,.45);}
.toggler-bar{display:block;width:19px;height:2px;border-radius:2px;background:var(--cyan);margin:3px 0;}
.navbar-collapse{display:flex;align-items:center;flex:1 1 auto;}
.nav-links{flex-direction:row;margin-left:34px;gap:4px;}
.nav-links .nav-link{
  color:var(--muted);font-size:.94rem;font-weight:500;
  padding:9px 15px;border-radius:10px;position:relative;
  transition:color .2s ease,background .2s ease;
}
.nav-links .nav-link:hover{color:var(--text);background:rgba(255,255,255,.07);}
.nav-links .nav-link.active{color:var(--cyan);background:rgba(53,224,200,.09);}
.nav-links .nav-link.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;border-radius:2px;
  background:var(--cyan);box-shadow:0 0 12px rgba(53,224,200,.95);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search i{position:absolute;left:13px;font-size:.82rem;color:var(--dim);pointer-events:none;}
.nav-search input{
  width:186px;padding:10px 14px 10px 34px;font-size:.88rem;
  color:var(--text);background:rgba(255,255,255,.06);
  border:1px solid var(--line);border-radius:var(--r-btn);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,width .25s ease;
}
.nav-search input::placeholder{color:var(--dim);}
.nav-search input:focus{border-color:rgba(53,224,200,.75);box-shadow:0 0 0 3px rgba(53,224,200,.15);width:212px;}

/* ============ 按钮 ============ */
.btn-glow,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 24px;font-size:.95rem;font-weight:600;
  border-radius:var(--r-btn);border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,border-color .22s ease,background .22s ease,color .22s ease;
  cursor:pointer;white-space:nowrap;
}
.btn-glow{
  color:#04141a;
  background:linear-gradient(135deg,#35E0C8,#2DD4BF);
  box-shadow:0 0 0 1px rgba(53,224,200,.35),0 10px 30px rgba(53,224,200,.28);
}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.08);color:#04141a;box-shadow:0 0 0 1px rgba(53,224,200,.55),0 16px 42px rgba(53,224,200,.42);}
.btn-ghost{
  color:var(--text);background:rgba(255,255,255,.05);border-color:var(--line);
}
.btn-ghost:hover{transform:translateY(-2px);color:var(--cyan);border-color:rgba(53,224,200,.6);background:rgba(53,224,200,.09);}
.btn-line{
  padding:0;color:var(--cyan);background:transparent;border:0;
}
.btn-line i{transition:transform .22s ease;}
.btn-line:hover i{transform:translateX(4px);}
.btn-sm{padding:9px 18px;font-size:.88rem;}

/* ============ Hero ============ */
.hero{position:relative;padding:150px 0 96px;overflow:hidden;}
.hero::after{
  content:"";position:absolute;left:50%;top:6%;width:640px;height:640px;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(53,224,200,.14),transparent 66%);
  pointer-events:none;z-index:0;
}
.hero .container{position:relative;z-index:2;}
.hero-row{align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px;border-radius:999px;
  font-size:.8rem;font-weight:600;letter-spacing:.05em;color:var(--cyan);
  background:rgba(53,224,200,.1);border:1px solid rgba(53,224,200,.3);
}
.eyebrow i{font-size:.72rem;}
.hero-title{
  font-size:clamp(2.05rem,4.4vw,3.5rem);
  line-height:1.22;margin:24px 0 20px;font-weight:700;
}
.hero-title .hl{
  background:linear-gradient(118deg,#35E0C8 8%,#7C6CFF 88%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{max-width:620px;font-size:1.05rem;color:var(--muted);line-height:1.9;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:14px 30px;margin-top:38px;padding-top:26px;
  border-top:1px solid var(--line-soft);
}
.trust-item{display:flex;align-items:center;gap:9px;font-size:.9rem;color:var(--muted);}
.trust-item i{color:var(--cyan);font-size:.85rem;}

.hero-visual{position:relative;padding:10px 0;}
.hero-img-wrap{
  position:relative;border-radius:24px;overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  aspect-ratio:4/4.3;
}
.hero-img-wrap img{width:100%;height:100%;object-fit:cover;}
.hero-img-wrap::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,17,31,.05) 30%,rgba(7,17,31,.85));
}
.glow-ring{
  position:absolute;top:-46px;right:-38px;width:210px;height:210px;border-radius:50%;
  border:1px solid rgba(53,224,200,.35);
  box-shadow:inset 0 0 60px rgba(53,224,200,.22);
  pointer-events:none;z-index:1;
}
.glow-ring::before{
  content:"";position:absolute;inset:26px;border-radius:50%;
  border:1px dashed rgba(124,108,255,.4);
}
.glass-chip{
  position:absolute;z-index:4;
  padding:14px 18px;border-radius:16px;
  background:rgba(13,27,46,.76);
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:0 18px 44px rgba(0,0,0,.48);
}
.glass-chip strong{display:block;font-size:1.28rem;font-weight:700;color:var(--cyan);line-height:1.2;}
.glass-chip span{font-size:.78rem;color:var(--muted);}
.chip-1{left:-26px;bottom:66px;animation:floaty 6s ease-in-out infinite;}
.chip-2{right:-16px;top:52px;animation:floaty 7.5s ease-in-out infinite reverse;}
.chip-2 strong{color:var(--orange);}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}

/* ============ 板块通用 ============ */
.section{padding:96px 0;position:relative;}
@media (max-width:1199.98px){.section{padding:74px 0;}}
@media (max-width:767.98px){.section{padding:56px 0;}}
.sec-head{max-width:730px;margin-bottom:48px;}
.sec-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:600;letter-spacing:.14em;color:var(--cyan);
  margin-bottom:14px;
}
.sec-label::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--cyan);box-shadow:0 0 10px rgba(53,224,200,.9);}
.sec-head h2{font-size:clamp(1.6rem,2.9vw,2.4rem);margin-bottom:14px;}
.sec-head p{color:var(--muted);font-size:1.02rem;line-height:1.85;}
.sec-head.center{margin-inline:auto;text-align:center;}
.sec-head.center .sec-label{justify-content:center;}

/* ============ 方案卡片 ============ */
.plan-main,.plan-card,.mini-card,.news-card,.news-top-card,.review-card,.glass-panel{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow-card);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.plan-main:hover,.plan-card:hover,.mini-card:hover,.news-card:hover,.news-top-card:hover{
  transform:translateY(-6px);
  border-color:rgba(53,224,200,.45);
  box-shadow:var(--shadow-hover),0 0 0 1px rgba(53,224,200,.22);
}
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:.74rem;font-weight:600;letter-spacing:.03em;
  color:var(--cyan);background:rgba(53,224,200,.12);
  border:1px solid rgba(53,224,200,.32);
}
.badge-tag.orange{color:var(--orange);background:rgba(255,138,76,.12);border-color:rgba(255,138,76,.34);}
.badge-tag.violet{color:#B4AAFF;background:rgba(124,108,255,.14);border-color:rgba(124,108,255,.34);}
.plan-tags{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:18px 0 0;}
.plan-tags li{
  font-size:.79rem;color:var(--muted);
  padding:5px 11px;border-radius:8px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-soft);
}

.plan-main{display:grid;grid-template-columns:1.02fr 1fr;overflow:hidden;}
.plan-main-media{position:relative;min-height:340px;}
.plan-main-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.plan-main:hover .plan-main-media img{transform:scale(1.04);}
.plan-main-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,17,31,.12),rgba(7,17,31,.72));}
.plan-main-body{padding:38px 36px;display:flex;flex-direction:column;}
.plan-main-body h3{font-size:1.6rem;margin:16px 0 14px;}
.plan-main-body p{color:var(--muted);font-size:.98rem;}
.plan-foot{margin-top:auto;padding-top:26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.plan-foot .price{font-size:.86rem;color:var(--dim);}

.plan-card{overflow:hidden;display:flex;flex-direction:column;height:100%;}
.plan-card .card-media{aspect-ratio:16/10;overflow:hidden;}
.plan-card .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.plan-card:hover .card-media img{transform:scale(1.05);}
.plan-card .card-body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1;}
.plan-card h3{font-size:1.2rem;margin:14px 0 10px;}
.plan-card p{color:var(--muted);font-size:.93rem;line-height:1.8;}
.plan-card .card-body .btn-line{margin-top:auto;padding-top:20px;}

.mini-card{display:flex;gap:18px;padding:20px;align-items:center;height:100%;}
.mini-card .mini-media{
  width:104px;height:104px;flex:none;border-radius:16px;overflow:hidden;
  border:1px solid var(--line-soft);
}
.mini-card .mini-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.mini-card:hover .mini-media img{transform:scale(1.06);}
.mini-card h3{font-size:1.03rem;margin-bottom:8px;}
.mini-card p{font-size:.87rem;color:var(--muted);line-height:1.72;}

/* ============ 指标条 ============ */
.metrics{border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);background:rgba(255,255,255,.03);}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.metric{padding:34px 22px;text-align:center;border-right:1px solid rgba(255,255,255,.09);}
.metric:last-child{border-right:0;}
.metric strong{display:block;font-size:clamp(1.4rem,2.4vw,2rem);font-weight:700;color:var(--cyan);letter-spacing:-.01em;}
.metric span{font-size:.86rem;color:var(--muted);}
@media (max-width:767.98px){
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .metric:nth-child(2n){border-right:0;}
  .metric:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.09);}
}

/* ============ 保障条 ============ */
.assure{
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.assure-item{padding:30px 26px;border-right:1px solid rgba(255,255,255,.09);transition:background .25s ease;}
.assure-item:last-child{border-right:0;}
.assure-item:hover{background:rgba(53,224,200,.06);}
.assure-item i{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font-size:1rem;color:var(--cyan);
  background:rgba(53,224,200,.12);border:1px solid rgba(53,224,200,.28);
  margin-bottom:16px;
}
.assure-item h3{font-size:1rem;margin-bottom:8px;}
.assure-item p{font-size:.86rem;color:var(--muted);line-height:1.75;}
@media (max-width:991.98px){
  .assure-grid{grid-template-columns:repeat(2,1fr);}
  .assure-item:nth-child(2n){border-right:0;}
  .assure-item:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.09);}
}
@media (max-width:575.98px){
  .assure-grid{grid-template-columns:1fr;}
  .assure-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.09);}
  .assure-item:last-child{border-bottom:0;}
}

/* ============ 评价轮播 ============ */
.review-card{padding:28px 26px;height:100%;display:flex;flex-direction:column;}
.review-stars{color:var(--orange);font-size:.82rem;letter-spacing:2px;margin-bottom:14px;}
.review-card blockquote{margin:0;font-size:.94rem;color:var(--muted);line-height:1.85;flex:1;}
.review-user{display:flex;align-items:center;gap:13px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line-soft);}
.review-avatar{
  width:42px;height:42px;border-radius:50%;flex:none;display:grid;place-items:center;
  font-size:.88rem;font-weight:700;color:#04141a;
  background:linear-gradient(140deg,#35E0C8,#7C6CFF);
}
.review-user b{display:block;font-size:.92rem;font-weight:600;}
.review-user span{font-size:.79rem;color:var(--dim);}
#reviewCarousel .carousel-indicators{position:static;margin:36px 0 0;gap:9px;}
#reviewCarousel .carousel-indicators [data-bs-target]{
  width:30px;height:3px;border-radius:3px;border:0;margin:0;
  background:rgba(255,255,255,.22);opacity:1;transition:background .25s ease,box-shadow .25s ease,width .25s ease;
}
#reviewCarousel .carousel-indicators .active{
  width:44px;background:var(--cyan);box-shadow:0 0 14px rgba(53,224,200,.9);
}
.carousel-nav{
  width:44px;height:44px;border-radius:50%;opacity:1;
  display:grid;place-items:center;
  background:rgba(13,27,46,.85);border:1px solid rgba(53,224,200,.35);
  color:var(--cyan);box-shadow:0 0 18px rgba(53,224,200,.25);
  transition:background .25s ease,transform .25s ease;
}
.carousel-nav:hover{background:rgba(53,224,200,.18);transform:scale(1.06);}
.carousel-control-prev,.carousel-control-next{width:auto;opacity:1;top:auto;bottom:-64px;}
.carousel-control-prev{left:0;}
.carousel-control-next{left:56px;right:auto;}
@media (max-width:767.98px){
  .carousel-control-prev,.carousel-control-next{display:none;}
  #reviewCarousel .carousel-indicators{margin-top:28px;}
}

/* ============ CTA 面板 ============ */
.glass-panel{
  padding:46px 44px;
  background:
    radial-gradient(600px 320px at 6% 0%, rgba(53,224,200,.16), transparent 62%),
    radial-gradient(520px 320px at 100% 100%, rgba(255,138,76,.12), transparent 60%),
    rgba(255,255,255,.055);
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;}
.cta-copy h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin:16px 0 16px;}
.cta-copy p{color:var(--muted);font-size:.99rem;line-height:1.85;}
.cta-points{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:12px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:.93rem;color:var(--muted);}
.cta-points i{color:var(--cyan);margin-top:6px;font-size:.75rem;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1/-1;}
.field label{font-size:.83rem;color:var(--muted);font-weight:500;}
.field input,.field textarea{
  width:100%;padding:12px 14px;font-size:.92rem;
  color:var(--text);background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:var(--r-btn);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:var(--dim);}
.field input:focus,.field textarea:focus{
  border-color:rgba(53,224,200,.8);background:rgba(53,224,200,.06);
  box-shadow:0 0 0 3px rgba(53,224,200,.15);
}
.field textarea{resize:vertical;min-height:104px;}
.form-note{margin-top:14px;font-size:.8rem;color:var(--dim);}
.form-note i{color:var(--cyan);margin-right:6px;}

/* ============ 最新信息 ============ */
.news-top-card{display:grid;grid-template-columns:.85fr 1.15fr;overflow:hidden;margin-bottom:28px;}
.news-top-media{position:relative;min-height:250px;overflow:hidden;}
.news-top-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.news-top-card:hover .news-top-media img{transform:scale(1.04);}
.news-top-body{padding:32px 34px;display:flex;flex-direction:column;}
.news-top-body h3{font-size:1.32rem;margin:15px 0 12px;}
.news-top-body p{color:var(--muted);font-size:.95rem;}
.news-body{display:flex;flex-direction:column;flex:1;}
.news-card{overflow:hidden;display:flex;flex-direction:column;height:100%;}
.news-card .card-media{aspect-ratio:16/10;overflow:hidden;}
.news-card .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.news-card:hover .card-media img{transform:scale(1.05);}
.news-card .card-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.news-card h3{font-size:1.06rem;margin:13px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card p{font-size:.89rem;color:var(--muted);line-height:1.78;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:20px;}
.news-meta time{font-size:.79rem;color:var(--dim);}
.empty-state{
  padding:64px 24px;text-align:center;border-radius:var(--r-card);
  background:rgba(255,255,255,.04);border:1px dashed var(--line);
}
.empty-state i{font-size:1.7rem;color:var(--dim);display:block;margin-bottom:14px;}
.empty-state p{color:var(--muted);font-size:.95rem;}

/* ============ FAQ ============ */
.accordion-item{
  background:var(--glass);
  border:1px solid var(--line)!important;
  border-radius:16px!important;
  margin-bottom:14px;overflow:hidden;
}
.accordion-button{
  background:transparent;color:var(--text);
  font-size:1rem;font-weight:600;line-height:1.6;
  padding:20px 54px 20px 24px;border:0;box-shadow:none!important;
  position:relative;
}
.accordion-button:not(.collapsed){color:var(--cyan);background:rgba(53,224,200,.06);}
.accordion-button::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;
  background:var(--cyan);box-shadow:0 0 12px rgba(53,224,200,.9);
  opacity:0;transition:opacity .25s ease;
}
.accordion-button:not(.collapsed)::before{opacity:1;}
.accordion-button::after{
  content:"";width:10px;height:10px;background-image:none!important;
  border-right:2px solid var(--cyan);border-bottom:2px solid var(--cyan);
  transform:rotate(45deg);transition:transform .25s ease;
  position:absolute;right:26px;top:50%;margin-top:-7px;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);margin-top:-3px;}
.accordion-body{padding:0 24px 24px;color:var(--muted);font-size:.94rem;line-height:1.85;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:20px;padding:76px 0 32px;
  border-top:1px solid rgba(53,224,200,.24);
  background:linear-gradient(180deg,rgba(13,27,46,.6),rgba(6,13,24,.95));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px;}
.footer-brand .brand-text b{font-size:1.02rem;}
.footer-about{color:var(--muted);font-size:.9rem;line-height:1.85;max-width:340px;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  color:var(--muted);background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:all .22s ease;
}
.footer-social a:hover{color:var(--cyan);border-color:rgba(53,224,200,.55);background:rgba(53,224,200,.1);transform:translateY(-2px);}
.footer-col h4{font-size:.95rem;margin-bottom:18px;color:var(--text);}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:11px;}
.footer-col a,.footer-col li{font-size:.89rem;color:var(--muted);transition:color .2s ease;}
.footer-col a:hover{color:var(--cyan);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.7;}
.footer-contact i{color:var(--cyan);margin-top:6px;font-size:.8rem;}
.footer-bottom{
  margin-top:52px;padding-top:26px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.83rem;color:var(--dim);
}
.footer-bottom a{color:var(--dim);}
.footer-bottom a:hover{color:var(--cyan);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero{padding:132px 0 80px;}
  .glass-panel{padding:38px 32px;}
}
@media (max-width:991.98px){
  .navbar-collapse{
    flex-direction:column;align-items:stretch;
    margin-top:12px;padding:18px;
    background:rgba(9,20,35,.97);
    border:1px solid var(--line);border-radius:18px;
    box-shadow:0 28px 60px rgba(0,0,0,.55);
  }
  .nav-links{margin-left:0;flex-direction:column;gap:4px;}
  .nav-links .nav-link{padding:12px 14px;}
  .nav-links .nav-link.active::after{display:none;}
  .nav-right{margin-left:0;margin-top:18px;flex-direction:column;align-items:stretch;gap:14px;}
  .nav-search input,.nav-search input:focus{width:100%;}
  .nav-right .btn-glow{width:100%;}
  .hero{padding:118px 0 68px;}
  .hero-copy{padding-right:12px;}
  .hero-visual{margin-top:52px;}
  .glow-ring{display:none;}
  .chip-1{left:12px;bottom:20px;}
  .chip-2{right:12px;top:20px;}
  .plan-main{grid-template-columns:1fr;}
  .plan-main-media{min-height:260px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .news-top-card{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-about{max-width:none;}
}
@media (max-width:767.98px){
  .sec-head{margin-bottom:34px;}
  .glass-panel{padding:30px 22px;}
  .form-grid{grid-template-columns:1fr;}
  .plan-main-body{padding:28px 22px;}
  .news-top-body{padding:24px 22px;}
  .mini-card{flex-direction:row;}
  .mini-card .mini-media{width:84px;height:84px;}
  .review-card{padding:24px 20px;}
}
@media (max-width:575.98px){
  .hero-title{font-size:1.86rem;}
  .btn-glow,.btn-ghost{padding:12px 18px;font-size:.9rem;}
  .hero-cta .btn-glow,.hero-cta .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .mini-card{flex-direction:column;align-items:flex-start;}
  .mini-card .mini-media{width:100%;height:150px;}
}

/* roulang page: article */
:root{
  --kaiyun:#35E0C8;
  --kaiyun-deep:#2DD4BF;
  --sunrise:#FF8A4C;
  --violet:#7C6CFF;
  --ink:#07111F;
  --panel:#0D1B2E;
  --glass:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.12);
  --text:#EAF2FF;
  --muted:#A9B8CC;
  --dim:#6F8199;
  --radius-card:20px;
  --radius-btn:12px;
  --radius-img:16px;
  --shadow:0 24px 80px rgba(0,0,0,.35);
  --shadow-soft:0 14px 44px rgba(0,0,0,.28);
  --section-space:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:1rem;
  line-height:1.78;
  overflow-x:hidden;
  position:relative;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  top:-260px;
  right:-200px;
  width:760px;
  height:760px;
  background:radial-gradient(circle,rgba(53,224,200,.18),rgba(53,224,200,0) 68%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--kaiyun);text-decoration:none;transition:color .25s ease,border-color .25s ease,background-color .25s ease;}
a:hover{color:#8AF2E2;}
button,input,select,textarea{font:inherit;color:inherit;}
p{margin:0;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.2px;}
ul,ol{margin:0;}
::selection{background:rgba(53,224,200,.32);color:#04231F;}
:focus-visible{outline:2px solid var(--kaiyun);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding-left:32px;padding-right:32px;position:relative;z-index:2;}
.container-narrow{max-width:940px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:rgba(7,17,31,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(6,14,26,.94);
  border-bottom-color:rgba(53,224,200,.35);
  box-shadow:0 14px 44px rgba(0,0,0,.5);
}
.site-header .navbar{padding:0;}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:68px;
}
.navbar-brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding:0;
  margin:0;
  color:var(--text);
  flex:0 0 auto;
}
.navbar-brand:hover{color:var(--text);}
.brand-mark{
  width:40px;
  height:40px;
  border-radius:13px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,rgba(53,224,200,.26),rgba(124,108,255,.22));
  border:1px solid rgba(53,224,200,.36);
  color:var(--kaiyun);
  font-size:1.05rem;
  box-shadow:0 0 22px rgba(53,224,200,.24),inset 0 0 18px rgba(53,224,200,.08);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:1.0625rem;font-weight:700;color:#fff;letter-spacing:.3px;}
.brand-text span{font-size:.6875rem;letter-spacing:.2em;text-transform:uppercase;color:var(--dim);}
.navbar-toggler{
  border:1px solid var(--line);
  border-radius:12px;
  padding:9px 11px;
  background:rgba(255,255,255,.05);
  box-shadow:none;
}
.navbar-toggler:focus{box-shadow:none;outline:2px solid var(--kaiyun);}
.toggler-bar{display:block;width:22px;height:2px;border-radius:2px;background:var(--text);margin:4px 0;}
.navbar-collapse{align-items:center;}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:26px;
  margin-right:auto;
}
.nav-link{
  position:relative;
  color:var(--muted);
  font-size:.9375rem;
  font-weight:500;
  padding:9px 15px;
  border-radius:999px;
  transition:color .25s ease,background-color .25s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-link.active{color:var(--kaiyun);}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  bottom:1px;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--kaiyun);
  box-shadow:0 0 10px var(--kaiyun);
}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-search{position:relative;display:flex;align-items:center;margin:0;}
.nav-search i{position:absolute;left:13px;color:var(--dim);font-size:.8125rem;pointer-events:none;}
.nav-search input{
  width:204px;
  padding:10px 14px 10px 34px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--text);
  font-size:.875rem;
  transition:width .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.nav-search input::placeholder{color:var(--dim);}
.nav-search input:focus{
  outline:none;
  width:236px;
  border-color:rgba(53,224,200,.6);
  box-shadow:0 0 0 3px rgba(53,224,200,.15);
}
.btn-glow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border:0;
  border-radius:var(--radius-btn);
  background:linear-gradient(135deg,var(--kaiyun),var(--kaiyun-deep));
  color:#04231F;
  font-size:.9375rem;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  box-shadow:0 0 0 1px rgba(53,224,200,.35),0 10px 30px rgba(53,224,200,.28);
  transition:transform .25s ease,box-shadow .25s ease,filter .25s ease;
}
.btn-glow:hover,.btn-glow:focus{
  color:#04231F;
  transform:translateY(-2px);
  filter:brightness(1.07);
  box-shadow:0 0 0 1px rgba(53,224,200,.5),0 18px 42px rgba(53,224,200,.42);
}
.btn-glow:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:rgba(255,255,255,.045);
  color:var(--text);
  font-size:.9375rem;
  font-weight:600;
  cursor:pointer;
  transition:border-color .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.btn-ghost:hover{
  color:var(--kaiyun);
  border-color:rgba(53,224,200,.6);
  transform:translateY(-2px);
  box-shadow:0 12px 34px rgba(0,0,0,.35);
}
.btn-line{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--kaiyun);
  font-weight:600;
  font-size:.9375rem;
}
.btn-line i{transition:transform .25s ease;}
.btn-line:hover i{transform:translateX(4px);}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  padding:56px 0 44px;
}
.article-hero::before{
  content:"";
  position:absolute;
  top:-140px;
  left:-160px;
  width:640px;
  height:640px;
  background:radial-gradient(circle,rgba(53,224,200,.14),rgba(53,224,200,0) 70%);
  pointer-events:none;
}
.article-crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:9px;
  font-size:.8125rem;
  color:var(--dim);
}
.article-crumb a{color:var(--muted);}
.article-crumb a:hover{color:var(--kaiyun);}
.article-crumb .sep{color:rgba(255,255,255,.2);}
.article-crumb .current{color:var(--kaiyun);}
.article-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:26px;
  padding:6px 15px;
  border-radius:999px;
  font-size:.8125rem;
  font-weight:600;
  color:var(--kaiyun);
  background:rgba(53,224,200,.1);
  border:1px solid rgba(53,224,200,.3);
}
.article-title{
  margin-top:20px;
  font-size:clamp(1.875rem,4.2vw,3rem);
  line-height:1.3;
  color:#fff;
  letter-spacing:.4px;
}
.article-lead{
  margin-top:20px;
  max-width:840px;
  font-size:1.0625rem;
  line-height:1.9;
  color:var(--muted);
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  margin-top:24px;
  font-size:.875rem;
  color:var(--dim);
}
.article-meta span{display:inline-flex;align-items:center;gap:8px;}
.article-meta i{color:var(--kaiyun);font-size:.8125rem;}
.article-cover{
  position:relative;
  margin-top:38px;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.article-cover img{width:100%;aspect-ratio:16/7.5;object-fit:cover;}
.article-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,17,31,0) 42%,rgba(7,17,31,.72));
}

/* ============ 正文区 ============ */
.article-section{padding:8px 0 var(--section-space);}
.article-wrap{max-width:860px;margin:0 auto;}
.article-shell{
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  border-radius:26px;
  padding:clamp(24px,4vw,54px);
  box-shadow:var(--shadow-soft);
}
.article-body{font-size:1.0625rem;line-height:1.9;color:#DCE7F7;}
.article-body h2{
  position:relative;
  margin:52px 0 18px;
  padding-left:16px;
  font-size:clamp(1.375rem,2.4vw,1.875rem);
  line-height:1.45;
  color:#fff;
}
.article-body h2:first-child{margin-top:0;}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.3em;
  width:4px;
  height:.95em;
  border-radius:4px;
  background:var(--kaiyun);
  box-shadow:0 0 12px rgba(53,224,200,.8);
}
.article-body h3{
  margin:36px 0 14px;
  font-size:1.25rem;
  line-height:1.5;
  color:#fff;
}
.article-body p{margin:0 0 20px;}
.article-body strong{color:#fff;}
.article-body a{color:var(--kaiyun);border-bottom:1px solid rgba(53,224,200,.4);}
.article-body a:hover{color:#8AF2E2;border-bottom-color:#8AF2E2;}
.article-body img{
  width:100%;
  border-radius:var(--radius-img);
  border:1px solid var(--line);
  margin:28px 0;
}
.article-body blockquote{
  margin:30px 0;
  padding:20px 26px;
  border-left:3px solid var(--kaiyun);
  border-radius:0 18px 18px 0;
  background:rgba(53,224,200,.07);
  color:#CDE6E0;
  box-shadow:-16px 0 46px -26px rgba(53,224,200,.9);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:1.4em;}
.article-body li{margin-bottom:10px;}
.article-body li::marker{color:var(--kaiyun);}
.article-body table{
  width:100%;
  margin:28px 0;
  border-collapse:collapse;
  font-size:.9375rem;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
}
.article-body th,.article-body td{
  padding:13px 16px;
  text-align:left;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.article-body th{background:rgba(255,255,255,.055);color:#fff;font-weight:600;}
.article-body tr:last-child td{border-bottom:0;}
.article-body code{
  padding:2px 7px;
  border-radius:6px;
  background:rgba(124,108,255,.16);
  color:#C9C1FF;
  font-size:.9em;
}
.article-body hr{border:0;height:1px;background:rgba(255,255,255,.1);margin:40px 0;}
.empty-state{
  padding:68px 20px;
  text-align:center;
}
.empty-state i{font-size:2.6rem;color:var(--dim);}
.empty-state h3{margin-top:18px;font-size:1.375rem;color:#fff;}
.empty-state p{margin-top:12px;color:var(--muted);}
.empty-state .btn-glow{margin-top:26px;}

/* ============ 通用板块 ============ */
.section{padding:0 0 var(--section-space);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  font-size:.8125rem;
  font-weight:600;
  color:var(--sunrise);
  background:rgba(255,138,76,.1);
  border:1px solid rgba(255,138,76,.28);
}
.section-title{
  margin-top:18px;
  font-size:clamp(1.625rem,3vw,2.375rem);
  line-height:1.36;
  color:#fff;
}
.section-desc{margin-top:14px;color:var(--muted);font-size:1rem;line-height:1.85;}

/* ============ 卡片 ============ */
.card-glass{
  display:flex;
  flex-direction:column;
  height:100%;
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.035));
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-soft);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.card-glass:hover{
  transform:translateY(-6px);
  border-color:rgba(53,224,200,.45);
  box-shadow:0 26px 66px rgba(0,0,0,.48);
}
.card-thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:#0A1728;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.card-glass:hover .card-thumb img{transform:scale(1.05);}
.card-badge{
  position:absolute;
  left:14px;
  top:14px;
  padding:5px 12px;
  border-radius:999px;
  font-size:.75rem;
  font-weight:600;
  color:#04231F;
  background:linear-gradient(135deg,var(--kaiyun),var(--kaiyun-deep));
  box-shadow:0 8px 22px rgba(53,224,200,.3);
}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-title{font-size:1.0625rem;line-height:1.6;color:#fff;}
.card-title a{color:#fff;}
.card-title a:hover{color:var(--kaiyun);}
.card-text{font-size:.9375rem;line-height:1.8;color:var(--muted);}
.card-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 16px;
  margin-top:auto;
  padding-top:6px;
  font-size:.8125rem;
  color:var(--dim);
}
.card-meta span{display:inline-flex;align-items:center;gap:7px;}
.card-meta i{color:var(--kaiyun);font-size:.75rem;}

/* ============ 服务入口 ============ */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.service-card{
  padding:26px 24px;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:rgba(255,255,255,.045);
  transition:border-color .3s ease,transform .3s ease,background-color .3s ease;
}
.service-card:hover{
  transform:translateY(-4px);
  border-color:rgba(53,224,200,.45);
  background:rgba(53,224,200,.06);
}
.service-icon{
  width:46px;
  height:46px;
  border-radius:14px;
  display:grid;
  place-items:center;
  font-size:1.05rem;
  color:var(--kaiyun);
  background:rgba(53,224,200,.12);
  border:1px solid rgba(53,224,200,.3);
}
.service-card h3{margin-top:18px;font-size:1.125rem;color:#fff;}
.service-card p{margin-top:10px;font-size:.9375rem;line-height:1.8;color:var(--muted);}
.service-card .btn-line{margin-top:18px;}

/* ============ CTA ============ */
.cta-panel{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:44px;
  padding:clamp(28px,4vw,56px);
  border-radius:28px;
  border:1px solid rgba(53,224,200,.24);
  background:linear-gradient(135deg,rgba(53,224,200,.12),rgba(124,108,255,.08) 55%,rgba(13,27,46,.9));
  box-shadow:var(--shadow);
}
.cta-panel::before{
  content:"";
  position:absolute;
  right:-120px;
  top:-140px;
  width:420px;
  height:420px;
  background:radial-gradient(circle,rgba(255,138,76,.22),rgba(255,138,76,0) 70%);
  pointer-events:none;
}
.cta-copy h2{font-size:clamp(1.5rem,2.7vw,2.125rem);line-height:1.4;color:#fff;}
.cta-copy p{margin-top:18px;color:var(--muted);font-size:1rem;line-height:1.9;}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.cta-points span{display:flex;align-items:center;gap:10px;font-size:.9375rem;color:var(--text);}
.cta-points i{color:var(--kaiyun);}
.cta-form{display:flex;flex-direction:column;gap:16px;position:relative;z-index:2;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;font-size:.875rem;color:var(--muted);}
.field input,.field textarea{
  width:100%;
  padding:13px 15px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:rgba(7,17,31,.6);
  color:var(--text);
  font-size:.9375rem;
  transition:border-color .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.field input::placeholder,.field textarea::placeholder{color:var(--dim);}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:rgba(53,224,200,.65);
  background:rgba(7,17,31,.85);
  box-shadow:0 0 0 3px rgba(53,224,200,.16);
}
.cta-form .btn-glow{align-self:flex-start;}
.form-note{font-size:.8125rem;color:var(--dim);}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:20px;
  padding:64px 0 28px;
  background:rgba(5,12,22,.92);
  border-top:1px solid rgba(53,224,200,.28);
  box-shadow:0 -22px 60px rgba(0,0,0,.4);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:44px;
}
.footer-brand{display:flex;align-items:center;gap:12px;}
.footer-about{margin-top:20px;font-size:.9375rem;line-height:1.85;color:var(--muted);max-width:380px;}
.footer-social{display:flex;gap:12px;margin-top:22px;}
.footer-social a{
  width:38px;
  height:38px;
  border-radius:12px;
  display:grid;
  place-items:center;
  color:var(--muted);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  transition:color .25s ease,border-color .25s ease,transform .25s ease;
}
.footer-social a:hover{color:var(--kaiyun);border-color:rgba(53,224,200,.5);transform:translateY(-3px);}
.footer-col h4{font-size:1rem;color:#fff;margin-bottom:18px;}
.footer-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:12px;}
.footer-col ul a{font-size:.9375rem;color:var(--muted);}
.footer-col ul a:hover{color:var(--kaiyun);}
.footer-contact li{display:flex;gap:10px;font-size:.9375rem;color:var(--muted);line-height:1.7;}
.footer-contact i{color:var(--kaiyun);margin-top:5px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.09);
  font-size:.8125rem;
  color:var(--dim);
}
.footer-bottom a{color:var(--dim);}
.footer-bottom a:hover{color:var(--kaiyun);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .container{padding-left:28px;padding-right:28px;}
  .nav-search input{width:170px;}
  .nav-search input:focus{width:190px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
}
@media (max-width:991.98px){
  :root{--section-space:72px;}
  .container{padding-left:24px;padding-right:24px;}
  .navbar-collapse{
    margin-top:14px;
    padding:18px;
    border-radius:18px;
    border:1px solid var(--line);
    background:rgba(8,18,32,.97);
    box-shadow:0 26px 60px rgba(0,0,0,.5);
  }
  .nav-links{flex-direction:column;align-items:stretch;gap:4px;margin:0 0 8px;}
  .nav-link{padding:11px 14px;}
  .nav-link.active::after{left:16px;transform:none;bottom:6px;}
  .nav-right{flex-direction:column;align-items:stretch;gap:12px;margin-top:14px;}
  .nav-search input{width:100%;}
  .nav-search input:focus{width:100%;}
  .nav-right .btn-glow{width:100%;}
  .article-hero{padding-top:40px;}
  .article-cover img{aspect-ratio:16/10;}
  .service-grid{grid-template-columns:1fr 1fr;}
  .cta-panel{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767.98px){
  .article-title{font-size:1.75rem;}
  .article-lead{font-size:1rem;}
  .article-shell{padding:24px 20px;border-radius:20px;}
  .article-body{font-size:1rem;}
  .service-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .cta-form .btn-glow{width:100%;}
}
@media (max-width:575.98px){
  :root{--section-space:56px;}
  .container{padding-left:16px;padding-right:16px;}
  .brand-text b{font-size:.9375rem;}
  .brand-text span{font-size:.625rem;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category1 */
:root{
  --ink:#07111F;
  --ink-2:#0A1626;
  --panel:#0D1B2E;
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.035);
  --line:rgba(255,255,255,.12);
  --line-soft:rgba(255,255,255,.08);
  --cyan:#35E0C8;
  --cyan-2:#2DD4BF;
  --orange:#FF8A4C;
  --violet:#7C6CFF;
  --text:#EAF2FF;
  --muted:#A9B8CC;
  --weak:#6F8199;
  --r-card:20px;
  --r-btn:12px;
  --r-img:16px;
  --shadow:0 24px 80px rgba(0,0,0,.35);
  --font-cn:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:1rem;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.026) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.026) 1px,transparent 1px);
  background-size:64px 64px;
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(920px 520px at 10% -8%, rgba(53,224,200,.17), transparent 62%),
    radial-gradient(780px 460px at 94% 2%, rgba(124,108,255,.13), transparent 64%),
    radial-gradient(720px 420px at 58% 100%, rgba(255,138,76,.09), transparent 66%);
}
a{color:var(--cyan);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--cyan-2)}
img{max-width:100%;display:block}
button,input,textarea,select{font-family:inherit}
h1,h2,h3,h4{font-weight:700;line-height:1.28;color:var(--text);margin:0}
p{margin:0}
::selection{background:rgba(53,224,200,.3);color:#fff}

.container{max-width:1280px;padding-left:32px;padding-right:32px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(7,17,31,.55);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(7,17,31,.9);
  border-bottom-color:rgba(53,224,200,.3);
  box-shadow:0 12px 40px rgba(0,0,0,.45);
}
.site-header .navbar{padding:0}
.nav-inner{min-height:70px;align-items:center;gap:1.2rem}
.navbar-brand{display:flex;align-items:center;gap:.7rem;padding:0;margin:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;flex:none;
  background:linear-gradient(135deg,#4FEBD6,#1FA79A);
  color:#04201C;font-size:1rem;
  box-shadow:0 8px 26px rgba(53,224,200,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{color:var(--text);font-size:1.02rem;font-weight:700;letter-spacing:.2px}
.brand-text span{color:var(--weak);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase}
.nav-links{gap:.3rem;margin-left:1rem}
.nav-link{
  position:relative;color:var(--muted)!important;font-size:.94rem;font-weight:500;
  padding:.5rem .9rem!important;border-radius:10px;transition:.24s ease;
}
.nav-link:hover{color:var(--text)!important;background:rgba(255,255,255,.055)}
.nav-link.active{color:var(--cyan)!important}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--cyan);
  box-shadow:0 0 12px rgba(53,224,200,.9);
}
.nav-right{display:flex;align-items:center;gap:.8rem;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:.5rem;
  background:rgba(255,255,255,.05);border:1px solid var(--line-soft);
  border-radius:999px;padding:.32rem .9rem;transition:.25s ease;
}
.nav-search i{color:var(--weak);font-size:.78rem}
.nav-search input{
  background:none;border:0;outline:0;color:var(--text);
  font-size:.85rem;width:150px;padding:.2rem 0;
}
.nav-search input::placeholder{color:var(--weak)}
.nav-search:focus-within{border-color:rgba(53,224,200,.55);box-shadow:0 0 0 3px rgba(53,224,200,.12)}
.navbar-toggler{
  border:1px solid var(--line);border-radius:10px;padding:.42rem .55rem;
  background:rgba(255,255,255,.04);
}
.navbar-toggler:focus{outline:none;box-shadow:0 0 0 2px rgba(53,224,200,.45)}
.toggler-bar{display:block;width:20px;height:2px;border-radius:2px;background:var(--text);margin:3px 0}

/* ============ 按钮 ============ */
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.62rem 1.2rem;border:0;border-radius:var(--r-btn);
  font-size:.9rem;font-weight:600;color:#04201C!important;cursor:pointer;
  background:linear-gradient(135deg,#4FEBD6,#2DD4BF);
  box-shadow:0 0 0 1px rgba(53,224,200,.35),0 10px 30px rgba(53,224,200,.28);
  transition:.25s ease;
}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(53,224,200,.5),0 16px 40px rgba(53,224,200,.4)}
.btn-glow:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.62rem 1.2rem;border-radius:var(--r-btn);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text)!important;font-size:.9rem;font-weight:600;cursor:pointer;
  transition:.25s ease;
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(53,224,200,.6);color:var(--cyan)!important;background:rgba(53,224,200,.08)}
.btn-ghost:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.btn-link-arrow{
  display:inline-flex;align-items:center;gap:.4rem;
  color:var(--cyan)!important;font-size:.88rem;font-weight:600;
}
.btn-link-arrow i{transition:transform .25s ease}
.btn-link-arrow:hover i{transform:translateX(4px)}

/* ============ Hero ============ */
.hero-compact{
  position:relative;padding:56px 0 68px;overflow:hidden;
  background-image:
    linear-gradient(96deg,rgba(7,17,31,.95) 0%,rgba(7,17,31,.78) 48%,rgba(7,17,31,.45) 100%),
    url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line-soft);
}
.hero-compact::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,200,.6),transparent);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.34rem .85rem;border-radius:999px;font-size:.78rem;font-weight:600;
  letter-spacing:.06em;color:var(--cyan);
  background:rgba(53,224,200,.1);border:1px solid rgba(53,224,200,.32);
}
.crumbs{font-size:.82rem;color:var(--weak);margin-bottom:1rem}
.crumbs a{color:var(--weak)}
.crumbs a:hover{color:var(--cyan)}
.crumbs span{color:var(--cyan)}
.crumbs i{font-size:.62rem;margin:0 .45rem;opacity:.6}
.hero-compact h1{font-size:clamp(2rem,4.2vw,3.3rem);letter-spacing:-.5px;margin:1.1rem 0 1rem}
.hero-compact h1 em{font-style:normal;color:var(--cyan)}
.hero-sub{color:var(--muted);font-size:1.04rem;max-width:620px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:1.8rem}
.hero-points{display:flex;flex-wrap:wrap;gap:1.4rem;margin-top:2rem;font-size:.86rem;color:var(--muted)}
.hero-points i{color:var(--cyan);margin-right:.4rem}
.hero-visual{position:relative}
.hero-visual .visual-frame{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.hero-visual .visual-frame img{width:100%;height:320px;object-fit:cover}
.float-card{
  position:absolute;bottom:-22px;left:-18px;
  background:rgba(13,27,46,.86);border:1px solid var(--line);
  border-radius:16px;padding:.9rem 1.1rem;backdrop-filter:blur(14px);
  box-shadow:0 20px 50px rgba(0,0,0,.5);min-width:196px;
}
.float-card .fc-num{font-size:1.35rem;font-weight:600;color:var(--cyan);line-height:1.2}
.float-card .fc-label{font-size:.78rem;color:var(--weak)}
.float-tag{
  position:absolute;top:18px;right:-10px;
  background:rgba(13,27,46,.88);border:1px solid rgba(255,138,76,.4);
  color:var(--orange);font-size:.76rem;font-weight:600;
  padding:.36rem .8rem;border-radius:999px;backdrop-filter:blur(12px);
}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-sm{padding:72px 0}
.section-title{margin-bottom:2.6rem}
.section-title .label{
  display:inline-block;font-size:.78rem;font-weight:600;letter-spacing:.14em;
  color:var(--cyan);text-transform:uppercase;margin-bottom:.7rem;
}
.section-title h2{font-size:clamp(1.6rem,2.9vw,2.4rem);margin-bottom:.85rem}
.section-title p{color:var(--muted);max-width:760px}
.text-muted-soft{color:var(--muted)}

/* ============ 锚点导航 ============ */
.anchor-rail{position:sticky;top:96px}
.anchor-card{
  background:linear-gradient(165deg,rgba(255,255,255,.07),rgba(255,255,255,.025));
  border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:1.35rem 1.15rem;backdrop-filter:blur(14px);box-shadow:var(--shadow);
}
.anchor-card h2{font-size:.98rem;margin-bottom:.9rem;display:flex;align-items:center;gap:.5rem}
.anchor-card h2 i{color:var(--cyan);font-size:.85rem}
.anchor-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.18rem}
.anchor-list a{
  display:flex;align-items:center;gap:.6rem;
  padding:.55rem .75rem;border-radius:10px;font-size:.9rem;
  color:var(--muted)!important;border-left:2px solid transparent;
  transition:.24s ease;
}
.anchor-list a i{font-size:.72rem;opacity:.75}
.anchor-list a:hover{color:var(--text)!important;background:rgba(255,255,255,.05)}
.anchor-list a.active{
  color:var(--cyan)!important;background:rgba(53,224,200,.09);
  border-left-color:var(--cyan);
}
.rail-note{
  margin-top:1.3rem;padding-top:1.2rem;border-top:1px solid var(--line-soft);
  font-size:.82rem;color:var(--weak);line-height:1.75;
}
.rail-note a{font-weight:600}

/* ============ 方案大卡 ============ */
.sol-card{
  display:flex;flex-direction:column;height:100%;
  background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
  border:1px solid var(--line-soft);border-radius:var(--r-card);
  overflow:hidden;box-shadow:0 18px 50px rgba(0,0,0,.3);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.sol-card:hover{
  transform:translateY(-6px);
  border-color:rgba(53,224,200,.45);
  box-shadow:0 28px 72px rgba(0,0,0,.48),0 0 0 1px rgba(53,224,200,.18);
}
.sol-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--panel)}
.sol-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.sol-card:hover .sol-thumb img{transform:scale(1.05)}
.sol-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,17,31,0) 40%,rgba(7,17,31,.75) 100%);
}
.sol-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:.3rem .75rem;border-radius:999px;font-size:.74rem;font-weight:600;
  color:#04201C;background:linear-gradient(135deg,#4FEBD6,#2DD4BF);
  box-shadow:0 6px 20px rgba(53,224,200,.35);
}
.sol-body{padding:1.35rem 1.35rem 1.4rem;display:flex;flex-direction:column;flex:1}
.sol-body h3{font-size:1.16rem;margin-bottom:.6rem}
.sol-body p{color:var(--muted);font-size:.92rem;line-height:1.85;flex:1}
.tag-row{display:flex;flex-wrap:wrap;gap:.4rem;margin:1rem 0}
.tag{
  font-size:.74rem;color:var(--muted);padding:.24rem .65rem;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-soft);
}
.sol-foot{display:flex;align-items:center;justify-content:space-between;padding-top:.9rem;border-top:1px solid var(--line-soft)}

/* ============ 指标条 ============ */
.metric-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:rgba(255,255,255,.045);border:1px solid var(--line-soft);
  border-radius:var(--r-card);backdrop-filter:blur(12px);overflow:hidden;
}
.metric-item{padding:1.5rem 1.3rem;border-right:1px solid rgba(255,255,255,.1)}
.metric-item:last-child{border-right:0}
.metric-item .m-num{font-size:1.7rem;font-weight:600;color:var(--cyan);line-height:1.2}
.metric-item .m-name{font-size:.92rem;font-weight:600;margin-top:.35rem}
.metric-item .m-desc{font-size:.8rem;color:var(--weak);line-height:1.7;margin-top:.3rem}

/* ============ 流程步骤 ============ */
.step-list{position:relative;display:flex;flex-direction:column;gap:1rem}
.step-item{
  display:flex;gap:1.15rem;padding:1.25rem 1.35rem;
  background:linear-gradient(150deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line-soft);border-radius:var(--r-card);
  transition:.28s ease;
}
.step-item:hover{border-color:rgba(53,224,200,.4);transform:translateX(4px)}
.step-num{
  flex:none;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  font-size:.95rem;font-weight:600;color:var(--cyan);
  background:rgba(53,224,200,.1);border:1px solid rgba(53,224,200,.3);
}
.step-item h3{font-size:1.04rem;margin-bottom:.35rem}
.step-item p{color:var(--muted);font-size:.9rem;line-height:1.8}

/* ============ 对比表 ============ */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line-soft);border-radius:var(--r-card);
  background:rgba(255,255,255,.03);
}
.cmp-table{width:100%;min-width:620px;border-collapse:collapse;font-size:.9rem}
.cmp-table th{
  text-align:left;padding:1rem 1.15rem;font-size:.86rem;font-weight:600;
  color:var(--cyan);background:rgba(53,224,200,.09);white-space:nowrap;
}
.cmp-table td{
  padding:1rem 1.15rem;color:var(--muted);
  border-top:1px solid var(--line-soft);vertical-align:top;line-height:1.8;
}
.cmp-table tbody tr{transition:background .22s ease}
.cmp-table tbody tr:hover{background:rgba(255,255,255,.035)}
.cmp-table tbody tr:hover td{color:var(--text)}
.cmp-table td:first-child{color:var(--text);font-weight:600}

/* ============ FAQ ============ */
.faq-accordion .accordion-item{
  background:linear-gradient(150deg,rgba(255,255,255,.06),rgba(255,255,255,.022));
  border:1px solid var(--line-soft);border-radius:16px!important;
  margin-bottom:.85rem;overflow:hidden;
}
.faq-accordion .accordion-button{
  background:transparent;color:var(--text);font-size:1rem;font-weight:600;
  padding:1.15rem 1.3rem;box-shadow:none;border:0;line-height:1.6;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--cyan);background:rgba(53,224,200,.06)}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 2px rgba(53,224,200,.35);outline:none}
.faq-accordion .accordion-button::after{
  background-image:none;content:"\002B";font-family:inherit;font-size:1.15rem;
  color:var(--cyan);display:grid;place-items:center;width:1.6rem;height:1.6rem;
}
.faq-accordion .accordion-button:not(.collapsed)::after{content:"\2212"}
.faq-accordion .accordion-body{
  color:var(--muted);font-size:.93rem;line-height:1.9;
  padding:0 1.3rem 1.3rem;border-left:2px solid rgba(53,224,200,.55);
  margin-left:1.3rem;padding-left:1.1rem;
}

/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(53,224,200,.14),rgba(124,108,255,.1) 55%,rgba(255,138,76,.1));
  border:1px solid var(--line);border-radius:26px;
  padding:2.6rem;backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}
.cta-panel::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,224,200,.28),transparent 68%);
  top:-190px;right:-120px;pointer-events:none;
}
.cta-panel h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:.85rem}
.cta-panel p{color:var(--muted);max-width:520px}
.cta-form{position:relative;z-index:2}
.form-control-dark{
  width:100%;background:rgba(7,17,31,.6);border:1px solid var(--line);
  border-radius:var(--r-btn);padding:.72rem 1rem;color:var(--text);
  font-size:.9rem;outline:none;transition:.25s ease;
}
.form-control-dark::placeholder{color:var(--weak)}
.form-control-dark:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(53,224,200,.16)}
.form-label-sm{font-size:.82rem;color:var(--muted);margin-bottom:.4rem;display:block}
.form-note{font-size:.78rem;color:var(--weak);margin-top:.7rem}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:20px;padding:72px 0 32px;
  background:linear-gradient(180deg,rgba(10,22,38,.6),rgba(7,17,31,.98));
  border-top:1px solid var(--line-soft);position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,200,.55),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:2.5rem}
.footer-brand{display:flex;align-items:center;gap:.7rem;margin-bottom:1.1rem}
.footer-about{color:var(--muted);font-size:.88rem;line-height:1.9;max-width:360px}
.footer-social{display:flex;gap:.6rem;margin-top:1.3rem}
.footer-social a{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line-soft);
  color:var(--muted)!important;transition:.25s ease;
}
.footer-social a:hover{color:var(--cyan)!important;border-color:rgba(53,224,200,.5);transform:translateY(-3px)}
.footer-col h4{font-size:.95rem;margin-bottom:1.1rem;letter-spacing:.02em}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.6rem}
.footer-col a{color:var(--muted);font-size:.88rem}
.footer-col a:hover{color:var(--cyan)}
.footer-contact li{display:flex;gap:.6rem;color:var(--muted);font-size:.86rem;line-height:1.75}
.footer-contact i{color:var(--cyan);margin-top:.42rem;font-size:.82rem;flex:none}
.footer-bottom{
  margin-top:2.6rem;padding-top:1.4rem;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:.75rem;
  font-size:.82rem;color:var(--weak);
}
.footer-bottom a{color:var(--weak)}
.footer-bottom a:hover{color:var(--cyan)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .container{padding-left:24px;padding-right:24px}
  .section{padding:80px 0}
  .metric-strip{grid-template-columns:repeat(2,1fr)}
  .metric-item:nth-child(2){border-right:0}
  .metric-item:nth-child(1),.metric-item:nth-child(2){border-bottom:1px solid rgba(255,255,255,.1)}
}
@media (max-width:991.98px){
  .nav-inner{min-height:62px}
  .navbar-collapse{
    background:rgba(10,22,38,.97);border:1px solid var(--line);
    border-radius:16px;padding:1rem;margin-top:.75rem;
    backdrop-filter:blur(18px);
  }
  .nav-links{margin-left:0;gap:.15rem}
  .nav-link{padding:.6rem .8rem!important}
  .nav-link.active::after{left:.8rem;transform:none}
  .nav-right{flex-direction:column;align-items:stretch;gap:.6rem;margin:1rem 0 0}
  .nav-search{width:100%}
  .nav-search input{width:100%}
  .btn-glow{width:100%}
  .anchor-rail{position:static;margin-bottom:2rem}
  .anchor-list{flex-direction:row;flex-wrap:wrap;gap:.4rem}
  .anchor-list a{border-left:0;border:1px solid var(--line-soft);border-radius:999px;padding:.42rem .85rem;font-size:.84rem}
  .anchor-list a.active{border-color:rgba(53,224,200,.5)}
  .rail-note{display:none}
  .hero-visual{margin-top:2.6rem}
  .hero-visual .visual-frame img{height:260px}
  .float-card{bottom:-18px;left:10px}
  .float-tag{right:14px}
  .section{padding:72px 0}
  .cta-panel{padding:2rem 1.5rem}
  .footer-grid{grid-template-columns:1fr 1fr;gap:2rem}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px}
  .hero-compact{padding:40px 0 52px}
  .hero-sub{font-size:.96rem}
  .hero-actions{gap:.65rem}
  .hero-actions .btn-glow,.hero-actions .btn-ghost{width:100%}
  .section{padding:56px 0}
  .metric-strip{grid-template-columns:1fr}
  .metric-item{border-right:0!important;border-bottom:1px solid rgba(255,255,255,.1)}
  .metric-item:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr;gap:1.8rem}
  .footer-about{max-width:100%}
}
@media (max-width:575.98px){
  .brand-text span{display:none}
  .hero-compact h1{font-size:1.75rem}
  .float-card{padding:.7rem .85rem;min-width:160px}
  .step-item{flex-direction:column;gap:.8rem}
  .cta-panel{border-radius:20px;padding:1.6rem 1.15rem}
}

/* roulang page: category2 */
:root{
  --ink:#07111F;
  --ink-2:#0A1627;
  --panel:#0D1B2E;
  --cyan:#35E0C8;
  --cyan-2:#2DD4BF;
  --orange:#FF8A4C;
  --violet:#7C6CFF;
  --text:#EAF2FF;
  --muted:#A9B8CC;
  --dim:#6F8199;
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.12);
  --line-soft:rgba(255,255,255,.08);
  --r-card:20px;
  --r-btn:12px;
  --r-img:16px;
  --shadow-card:0 24px 80px rgba(0,0,0,.35);
  --shadow-glow:0 0 0 1px rgba(53,224,200,.35),0 10px 30px rgba(53,224,200,.28);
  --space:96px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:1rem;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.032) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.032) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 82% -8%,rgba(53,224,200,.16),transparent 62%),
    radial-gradient(700px 420px at 4% 12%,rgba(124,108,255,.13),transparent 65%),
    radial-gradient(760px 520px at 50% 108%,rgba(255,138,76,.10),transparent 68%);
  pointer-events:none;
  z-index:0;
}
main,header,footer{position:relative;z-index:1;}
img{max-width:100%;display:block;border-radius:var(--r-img);object-fit:cover;}
a{text-decoration:none;color:var(--cyan);transition:color .25s ease;}
a:hover{color:var(--cyan-2);}
button,input,select,textarea{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.32;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}
.container{max-width:1280px;padding-left:20px;padding-right:20px;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--space) 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(255,255,255,.018),rgba(255,255,255,0));}
.section-head{max-width:760px;margin-bottom:52px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--cyan);font-weight:600;margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--cyan);box-shadow:0 0 12px rgba(53,224,200,.8);}
.section-title{font-size:clamp(1.625rem,3vw,2.5rem);}
.section-title em{font-style:normal;color:var(--cyan);}
.section-desc{color:var(--muted);margin-top:16px;font-size:1rem;line-height:1.85;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,17,31,.58);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(7,17,31,.9);
  border-bottom-color:rgba(53,224,200,.3);
  box-shadow:0 14px 44px rgba(0,0,0,.45);
}
.navbar{padding:0;}
.nav-inner{display:flex;align-items:center;gap:22px;min-height:68px;}
.navbar-brand{display:flex;align-items:center;gap:12px;padding:0;margin:0;}
.brand-mark{
  width:40px;height:40px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--cyan),#1a9e8c);
  color:#04121a;font-size:1rem;
  box-shadow:0 0 0 1px rgba(53,224,200,.4),0 10px 26px rgba(53,224,200,.28);
}
.brand-text b{display:block;font-size:1.02rem;font-weight:700;color:var(--text);letter-spacing:.02em;}
.brand-text span{display:block;font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);}
.navbar-toggler{
  border:1px solid var(--line);border-radius:10px;padding:9px 10px;
  background:var(--glass);display:flex;flex-direction:column;gap:4px;
  box-shadow:none!important;
}
.toggler-bar{display:block;width:20px;height:2px;border-radius:2px;background:var(--muted);transition:background .25s;}
.navbar-toggler:hover .toggler-bar{background:var(--cyan);}
.navbar-collapse{flex-grow:1;}
.nav-links{align-items:center;gap:2px;}
.nav-link{
  position:relative;color:var(--muted);font-size:.94rem;font-weight:500;
  padding:.55rem .9rem;border-radius:10px;transition:color .25s ease,background .25s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05);}
.nav-link.active{color:var(--cyan);}
.nav-link.active::after{
  content:"";position:absolute;left:.9rem;right:.9rem;bottom:.2rem;height:2px;border-radius:2px;
  background:var(--cyan);box-shadow:0 0 12px rgba(53,224,200,.85);
}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search i{position:absolute;left:12px;color:var(--dim);font-size:.78rem;pointer-events:none;}
.nav-search input{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-btn);
  color:var(--text);font-size:.86rem;padding:.52rem .9rem .52rem 2.1rem;width:190px;
  transition:border-color .25s ease,box-shadow .25s ease,width .25s ease,background .25s ease;
}
.nav-search input::placeholder{color:var(--dim);}
.nav-search input:focus{
  outline:none;border-color:rgba(53,224,200,.6);background:rgba(255,255,255,.09);
  box-shadow:0 0 0 3px rgba(53,224,200,.15);width:220px;
}
.btn-glow{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,var(--cyan),#22b7a3);
  color:#04121a;font-weight:600;font-size:.9rem;
  padding:.62rem 1.15rem;border-radius:var(--r-btn);border:0;
  box-shadow:var(--shadow-glow);
  transition:transform .25s ease,box-shadow .25s ease,filter .25s ease;
  white-space:nowrap;
}
.btn-glow:hover{color:#04121a;transform:translateY(-2px);filter:brightness(1.07);box-shadow:0 0 0 1px rgba(53,224,200,.5),0 16px 40px rgba(53,224,200,.36);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--glass);border:1px solid var(--line);color:var(--text);
  font-weight:600;font-size:.9rem;padding:.62rem 1.15rem;border-radius:var(--r-btn);
  transition:border-color .25s ease,transform .25s ease,color .25s ease,background .25s ease;
}
.btn-ghost:hover{color:#fff;border-color:rgba(53,224,200,.65);transform:translateY(-2px);background:rgba(53,224,200,.08);}
.btn-line{
  display:inline-flex;align-items:center;gap:6px;color:var(--cyan);font-weight:600;font-size:.9rem;
}
.btn-line i{transition:transform .25s ease;}
.btn-line:hover i{transform:translateX(5px);}

/* ---------- Hero ---------- */
.page-hero{padding:56px 0 64px;}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;}
.crumb{font-size:.84rem;color:var(--dim);display:flex;align-items:center;gap:10px;margin-bottom:22px;}
.crumb a{color:var(--dim);}
.crumb a:hover{color:var(--cyan);}
.crumb .sep{opacity:.5;}
.crumb .current{color:var(--cyan);}
.hero-title{font-size:clamp(2.25rem,5vw,3.5rem);line-height:1.2;}
.hero-title em{font-style:normal;color:var(--cyan);text-shadow:0 0 32px rgba(53,224,200,.35);}
.hero-sub{color:var(--muted);font-size:1.06rem;line-height:1.9;margin-top:22px;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.82rem;color:var(--muted);
  background:var(--glass);border:1px solid var(--line-soft);
  padding:.36rem .8rem;border-radius:999px;
}
.tag i{color:var(--cyan);font-size:.72rem;}
.hero-visual{position:relative;}
.hero-img{
  width:100%;aspect-ratio:4/3;border-radius:24px;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.glow-ring{
  position:absolute;width:220px;height:220px;border-radius:50%;
  border:1px dashed rgba(53,224,200,.35);
  top:-38px;right:-32px;pointer-events:none;
  animation:spin 26s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}
.float-card{
  position:absolute;background:rgba(13,27,46,.82);
  border:1px solid var(--line);border-radius:16px;
  backdrop-filter:blur(14px);
  padding:14px 18px;box-shadow:0 18px 50px rgba(0,0,0,.45);
}
.float-card .fc-num{font-size:1.28rem;font-weight:700;color:var(--cyan);letter-spacing:.02em;}
.float-card .fc-label{font-size:.78rem;color:var(--dim);}
.float-card.fc-a{left:-24px;bottom:34px;}
.float-card.fc-b{right:-18px;top:32px;border-color:rgba(255,138,76,.35);}
.float-card.fc-b .fc-num{color:var(--orange);}

/* ---------- 分段筛选 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;
  background:var(--glass);border:1px solid var(--line-soft);
  border-radius:999px;padding:8px;margin-bottom:44px;width:fit-content;max-width:100%;
}
.seg-btn{
  border:0;background:transparent;color:var(--muted);font-size:.92rem;font-weight:600;
  padding:.6rem 1.25rem;border-radius:999px;transition:all .28s ease;white-space:nowrap;
}
.seg-btn:hover{color:#fff;background:rgba(255,255,255,.06);}
.seg-btn.active{
  color:#04121a;background:linear-gradient(135deg,var(--cyan),#22b7a3);
  box-shadow:0 0 0 1px rgba(53,224,200,.35),0 10px 26px rgba(53,224,200,.25);
}
.mix-row{display:grid;grid-template-columns:1.32fr 1fr;gap:24px;margin-bottom:24px;}
.mix-row.reverse{grid-template-columns:1fr 1.32fr;}
.mix-card{
  background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.03));
  border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:30px 28px;position:relative;overflow:hidden;
  box-shadow:0 18px 50px rgba(0,0,0,.28);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.mix-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:2px;
  background:linear-gradient(90deg,transparent,rgba(53,224,200,.6),transparent);
  opacity:0;transition:opacity .3s ease;
}
.mix-card:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.45);box-shadow:0 26px 70px rgba(0,0,0,.42);}
.mix-card:hover::before{opacity:1;}
.mix-card.spot{
  background:linear-gradient(150deg,rgba(53,224,200,.13),rgba(13,27,46,.6) 60%);
  border-color:rgba(53,224,200,.3);
}
.mix-card h3{font-size:1.22rem;margin-bottom:12px;}
.mix-card p{color:var(--muted);font-size:.95rem;line-height:1.85;}
.card-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:.74rem;font-weight:600;letter-spacing:.06em;
  color:var(--cyan);background:rgba(53,224,200,.12);border:1px solid rgba(53,224,200,.28);
  padding:.22rem .68rem;border-radius:999px;margin-bottom:16px;
}
.card-badge.warm{color:var(--orange);background:rgba(255,138,76,.12);border-color:rgba(255,138,76,.3);}
.card-list{margin-top:16px;display:grid;gap:9px;}
.card-list li{position:relative;padding-left:20px;color:var(--muted);font-size:.9rem;}
.card-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 10px rgba(53,224,200,.85);
}
.mix-card .btn-line{margin-top:20px;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(53,224,200,.7),rgba(53,224,200,.06));
}
.tl-item{position:relative;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:-34px;top:6px;width:20px;height:20px;border-radius:50%;
  background:rgba(7,17,31,1);border:2px solid var(--cyan);
  box-shadow:0 0 0 5px rgba(53,224,200,.12),0 0 18px rgba(53,224,200,.6);
}
.tl-body{
  background:var(--glass);border:1px solid var(--line-soft);border-radius:16px;
  padding:22px 24px;transition:border-color .3s ease,transform .3s ease;
}
.tl-body:hover{border-color:rgba(53,224,200,.4);transform:translateX(4px);}
.tl-body h3{font-size:1.1rem;margin-bottom:8px;}
.tl-body p{color:var(--muted);font-size:.92rem;}
.tl-step{font-size:.74rem;letter-spacing:.18em;color:var(--orange);font-weight:700;display:block;margin-bottom:8px;}

/* ---------- 指标 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric{
  background:var(--glass);border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:28px 24px;text-align:left;transition:border-color .3s ease,transform .3s ease;
}
.metric:hover{border-color:rgba(53,224,200,.42);transform:translateY(-3px);}
.metric-num{font-size:clamp(1.6rem,2.6vw,2.15rem);font-weight:700;color:var(--cyan);letter-spacing:.01em;}
.metric-num small{font-size:.9rem;color:var(--dim);margin-left:4px;font-weight:400;}
.metric-label{color:var(--muted);font-size:.9rem;margin-top:8px;}

/* ---------- 瀑布场景 ---------- */
.masonry{columns:3;column-gap:24px;}
.masonry-item{break-inside:avoid;margin-bottom:24px;}
.scene-card{
  background:linear-gradient(165deg,rgba(255,255,255,.07),rgba(255,255,255,.025));
  border:1px solid var(--line-soft);border-radius:var(--r-card);overflow:hidden;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.45);box-shadow:0 24px 60px rgba(0,0,0,.4);}
.scene-card img{width:100%;border-radius:0;aspect-ratio:16/10;}
.scene-body{padding:24px 24px 26px;}
.scene-body h3{font-size:1.08rem;margin-bottom:10px;}
.scene-body p{color:var(--muted);font-size:.9rem;line-height:1.85;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion-item{
  background:var(--glass);border:1px solid var(--line-soft)!important;
  border-radius:16px!important;margin-bottom:14px;overflow:hidden;
}
.accordion-button{
  background:transparent;color:var(--text);font-weight:600;font-size:1rem;
  padding:20px 24px;box-shadow:none!important;position:relative;
}
.accordion-button h3{font-size:1rem;font-weight:600;margin:0;}
.accordion-button:not(.collapsed){color:var(--cyan);background:rgba(53,224,200,.07);}
.accordion-button::after{
  filter:invert(1) sepia(1) saturate(4) hue-rotate(120deg);
  opacity:.75;
}
.accordion-body{padding:4px 24px 24px;color:var(--muted);font-size:.95rem;line-height:1.9;position:relative;}
.accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(53,224,200,.42)!important;}
.accordion-item:has(.accordion-button:not(.collapsed)) .accordion-body::before{
  content:"";position:absolute;left:0;top:4px;bottom:20px;width:2px;border-radius:2px;
  background:var(--cyan);box-shadow:0 0 14px rgba(53,224,200,.8);
}

/* ---------- CTA 表单 ---------- */
.cta-panel{
  background:linear-gradient(140deg,rgba(53,224,200,.11),rgba(13,27,46,.72) 55%,rgba(124,108,255,.12));
  border:1px solid var(--line);border-radius:28px;
  padding:52px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;
  box-shadow:var(--shadow-card);
  position:relative;overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-120px;bottom:-140px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,138,76,.22),transparent 68%);
}
.cta-panel h2{font-size:clamp(1.6rem,2.8vw,2.2rem);}
.cta-panel .lead-text{color:var(--muted);margin-top:18px;font-size:.98rem;line-height:1.9;}
.cta-points{margin-top:26px;display:grid;gap:12px;}
.cta-points li{display:flex;gap:10px;color:var(--muted);font-size:.92rem;}
.cta-points i{color:var(--cyan);margin-top:.4em;}
.form-grid{display:grid;gap:16px;position:relative;z-index:1;}
.form-field label{display:block;font-size:.82rem;color:var(--dim);margin-bottom:7px;letter-spacing:.04em;}
.form-field input,.form-field select,.form-field textarea{
  width:100%;background:rgba(255,255,255,.06);border:1px solid var(--line);
  border-radius:var(--r-btn);color:var(--text);font-size:.92rem;padding:.72rem .95rem;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.form-field textarea{min-height:104px;resize:vertical;}
.form-field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:rgba(53,224,200,.65);background:rgba(255,255,255,.09);
  box-shadow:0 0 0 3px rgba(53,224,200,.14);
}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--dim);}
.form-note{font-size:.8rem;color:var(--dim);}
.form-msg{margin-top:14px;font-size:.88rem;color:var(--cyan);min-height:1.2em;}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid rgba(53,224,200,.28);
  background:linear-gradient(180deg,rgba(8,18,32,.9),rgba(5,12,22,1));
  padding:72px 0 28px;margin-top:20px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,200,.75),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:20px;}
.footer-about{color:var(--muted);font-size:.9rem;line-height:1.9;max-width:360px;}
.footer-social{display:flex;gap:12px;margin-top:22px;}
.footer-social a{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--line-soft);color:var(--muted);
  transition:all .25s ease;
}
.footer-social a:hover{color:var(--cyan);border-color:rgba(53,224,200,.5);transform:translateY(-2px);}
.footer-col h4{font-size:.95rem;margin-bottom:18px;color:var(--text);}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:var(--muted);font-size:.88rem;}
.footer-col a:hover{color:var(--cyan);}
.footer-contact li{display:flex;gap:10px;color:var(--muted);font-size:.88rem;line-height:1.7;}
.footer-contact i{color:var(--cyan);margin-top:.45em;font-size:.82rem;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--dim);font-size:.82rem;
}
.footer-bottom a{color:var(--dim);}
.footer-bottom a:hover{color:var(--cyan);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--space:80px;}
  .hero-grid{gap:40px;}
  .cta-panel{padding:44px;gap:36px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
}
@media (max-width:991.98px){
  :root{--space:72px;}
  .nav-inner{flex-wrap:wrap;padding:10px 0;}
  .navbar-collapse{
    background:rgba(9,20,35,.96);border:1px solid var(--line-soft);border-radius:18px;
    margin-top:12px;padding:16px;backdrop-filter:blur(18px);
  }
  .nav-links{align-items:stretch;margin-bottom:14px;}
  .nav-link{padding:.75rem .9rem;}
  .nav-link.active::after{left:.9rem;right:auto;width:26px;}
  .nav-right{flex-direction:column;align-items:stretch;gap:12px;}
  .nav-search input,.nav-search input:focus{width:100%;}
  .btn-glow{justify-content:center;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .glow-ring{display:none;}
  .float-card.fc-a{left:12px;bottom:12px;}
  .float-card.fc-b{right:12px;top:12px;}
  .mix-row,.mix-row.reverse{grid-template-columns:1fr;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .masonry{columns:2;}
  .cta-panel{grid-template-columns:1fr;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767.98px){
  :root{--space:56px;}
  .container{padding-left:16px;padding-right:16px;}
  .page-hero{padding:36px 0 44px;}
  .hero-sub{font-size:1rem;}
  .hero-actions{gap:12px;}
  .btn-glow,.btn-ghost{width:100%;justify-content:center;}
  .filter-bar{border-radius:18px;width:100%;}
  .seg-btn{flex:1 1 auto;text-align:center;}
  .masonry{columns:1;}
  .timeline{padding-left:26px;}
  .tl-dot{left:-26px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-panel{padding:26px;}
  .metric{padding:22px 18px;}
}
@media (max-width:519.98px){
  .metrics{grid-template-columns:1fr;}
  .hero-tags{gap:8px;}
  .mix-card{padding:24px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
}