/* roulang page: index */
:root{
  --ink-900:#061520;
  --ink-800:#0B1E2B;
  --ink-700:#05121A;
  --jade:#1FC8A8;
  --jade-glow:#45F0CE;
  --clay:#D9A45B;
  --light-bg:#F6F9F8;
  --light-text:#0E2230;
  --light-border:#E3EBEA;
  --muted:#7A8C93;
  --glass-bg:rgba(255,255,255,0.055);
  --glass-border:rgba(140,220,205,0.16);
  --r-card:16px;
  --r-glass:18px;
  --r-btn:10px;
  --r-img:14px;
  --r-badge:6px;
  --sh-rest:0 8px 24px rgba(6,21,32,.10);
  --sh-float:0 18px 48px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(69,240,206,.35), 0 10px 30px rgba(31,200,168,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;

  --bs-primary:#1FC8A8;
  --bs-primary-rgb:31,200,168;
  --bs-body-font-family:var(--font-sans);
  --bs-body-color:#0E2230;
  --bs-border-color:#E3EBEA;
  --bs-border-radius:10px;
  --bs-link-color:#0E2230;
  --bs-link-hover-color:#12a68c;
  --bs-accordion-btn-focus-border-color:transparent;
  --bs-accordion-btn-focus-box-shadow:none;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--light-text);
  background:#ffffff;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease)}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;line-height:1.34;margin:0 0 .6em;letter-spacing:.2px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}

.container,.container-fluid{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}

/* ===== 通用按钮 ===== */
.btn{
  font-family:var(--font-sans);
  border-radius:var(--r-btn);
  font-weight:600;
  font-size:15px;
  border:0;
  box-shadow:none;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),filter .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
}
.btn:focus,.btn:focus-visible{outline:2px solid var(--jade-glow);outline-offset:2px;box-shadow:none}
.btn-jade{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 28px;
  background:linear-gradient(135deg,#1FC8A8 0%,#45F0CE 100%);
  color:#061520;
  box-shadow:0 6px 18px rgba(31,200,168,.24);
}
.btn-jade:hover{color:#061520;transform:translateY(-2px);filter:brightness(1.06);box-shadow:var(--sh-glow)}
.btn-jade:active{transform:translateY(0);filter:brightness(.96)}
.btn-jade:disabled{opacity:.45;box-shadow:none;transform:none}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;
  background:transparent;border:1px solid rgba(31,200,168,.55);color:#0E2230;
}
.btn-line:hover{color:#0E2230;border-color:var(--jade);transform:translateY(-2px);box-shadow:0 8px 20px rgba(31,200,168,.18)}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;
  background:transparent;border:1px solid rgba(140,220,205,.45);color:#ffffff;
}
.btn-ghost-light:hover{color:#ffffff;border-color:var(--jade-glow);background:rgba(69,240,206,.08);transform:translateY(-2px)}
.btn-link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--jade);font-weight:600;font-size:15px;background:none;border:0;padding:0;
}
.btn-link-arrow svg{transition:transform .24s var(--ease)}
.btn-link-arrow:hover{color:var(--jade-glow)}
.btn-link-arrow:hover svg{transform:translateX(4px)}
.btn-cta-sm{height:40px;padding:0 20px;font-size:14px}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#ffffff;
  border-bottom:1px solid var(--light-border);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(6,21,32,.06)}
.header-inner{display:flex;align-items:center;gap:30px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;color:var(--jade);flex:none}
.brand-text{font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--light-text);letter-spacing:.4px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:28px;height:70px}
.main-nav .nav-link{
  display:flex;align-items:center;height:70px;padding:0;
  position:relative;font-size:15px;color:#4d5f68;background:none;border:0;
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--jade);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.main-nav .nav-link:hover{color:var(--light-text)}
.main-nav .nav-link.active{color:var(--light-text);font-weight:600}
.main-nav .nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-box{position:relative}
.search-box input{
  width:190px;height:40px;border-radius:var(--r-btn);
  border:1px solid transparent;background:#F2F6F5;
  padding:0 14px 0 38px;font-size:14px;color:var(--light-text);
  transition:border-color .24s var(--ease),background .24s var(--ease),width .24s var(--ease);
}
.search-box input::placeholder{color:#9BABB1}
.search-box input:focus{outline:none;border-color:var(--jade);background:#ffffff;width:220px}
.search-box svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:#8FA3A8;pointer-events:none}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:var(--r-btn);
  background:#F2F6F5;border:1px solid var(--light-border);
  display:grid;place-items:center;color:var(--light-text);
}
.nav-toggle:focus-visible{outline:2px solid var(--jade-glow);outline-offset:2px}
.mobile-drawer{background:#ffffff;border-top:1px solid var(--light-border)}
.mobile-drawer .drawer-link{
  display:flex;align-items:center;height:48px;padding:0 24px;font-size:15px;color:#3C4E57;
  border-bottom:1px solid #F0F5F4;
}
.mobile-drawer .drawer-link.active{color:var(--jade);font-weight:600}
.mobile-drawer .drawer-search{padding:16px 24px 4px}
.mobile-drawer .drawer-search input{
  width:100%;height:44px;border-radius:var(--r-btn);border:1px solid #E3EBEA;background:#F6F9F8;
  padding:0 14px;font-size:15px;
}
.mobile-drawer .drawer-search input:focus{outline:none;border-color:var(--jade);background:#fff}
.mobile-drawer .drawer-cta{padding:16px 24px 24px}
.mobile-drawer .drawer-cta .btn{width:100%}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;color:#ffffff;
  background-color:var(--ink-900);
  background-image:linear-gradient(rgba(6,21,32,.86),rgba(6,21,32,.94)),url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  padding:96px 0 104px;
}
.hero-glow{
  position:absolute;top:-140px;right:-100px;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(69,240,206,.12),rgba(69,240,206,0) 70%);
  pointer-events:none;
}
.hero-wave{position:absolute;left:0;right:0;bottom:0;width:100%;height:300px;opacity:.07;pointer-events:none}
.hero .container{position:relative;z-index:2}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1px;color:var(--jade-glow);
  border:1px solid rgba(69,240,206,.28);border-radius:var(--r-badge);
  padding:5px 12px;margin-bottom:22px;
}
.hero-title{font-size:50px;line-height:1.22;margin:0 0 .6em;color:#ffffff;letter-spacing:.5px}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);max-width:520px;margin-bottom:26px}
.trust-row{display:flex;flex-wrap:wrap;gap:8px 20px;margin-bottom:34px}
.trust-row li{position:relative;padding-left:14px;font-size:14px;color:rgba(255,255,255,.72)}
.trust-row li::before{content:"";position:absolute;left:0;top:50%;margin-top:-3px;width:6px;height:6px;border-radius:50%;background:var(--jade)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

.glass-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--r-glass);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset,var(--sh-float);
  padding:28px;
}
.hero-card{color:#ffffff}
.hero-card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.badge-jade{
  display:inline-block;font-size:12px;letter-spacing:.6px;color:var(--jade-glow);
  border:1px solid rgba(69,240,206,.35);border-radius:var(--r-badge);padding:4px 10px;background:rgba(31,200,168,.10);
}
.hero-card__time{font-size:13px;color:rgba(255,255,255,.5)}
.mini-steps{display:grid;gap:16px}
.mini-steps li{display:flex;gap:14px;align-items:flex-start;padding-bottom:16px;border-bottom:1px dashed rgba(140,220,205,.22)}
.mini-steps li:last-child{border-bottom:0;padding-bottom:0}
.mini-num{font-family:var(--font-serif);font-size:15px;color:var(--clay);flex:none;padding-top:2px;letter-spacing:1px}
.mini-body strong{display:block;font-size:15px;font-weight:600;color:#ffffff;margin-bottom:2px}
.mini-body p{font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.66);margin:0}
.hero-card__stat{
  margin-top:22px;padding-top:20px;border-top:1px solid rgba(140,220,205,.18);
  display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;
}
.stat-big{font-family:var(--font-serif);font-size:40px;line-height:1;color:var(--jade-glow);font-weight:700}
.stat-unit{font-size:14px;color:rgba(255,255,255,.6)}
.hero-card__stat p{flex:1 1 100%;font-size:13.5px;color:rgba(255,255,255,.6);margin:6px 0 0}

/* ===== 板块通用 ===== */
.section{padding:96px 0}
.section-light{background:var(--light-bg);color:var(--light-text)}
.section-white{background:#ffffff;color:var(--light-text)}
.section-dark{background:var(--ink-900);color:#ffffff}
.section-head{max-width:760px;margin:0 auto 52px;text-align:center}
.section-head--left{margin-left:0;text-align:left}
.section-kicker{
  display:inline-block;font-size:13px;letter-spacing:1.4px;color:var(--jade);
  margin-bottom:12px;font-weight:600;
}
.section-title{font-size:32px;margin:0 0 .55em;color:inherit}
.section-desc{font-size:16px;line-height:1.9;color:var(--muted);margin:0}
.section-dark .section-desc{color:rgba(255,255,255,.68)}
.section-dark .section-kicker{color:var(--jade-glow)}

/* ===== 三步上手 ===== */
.steps-track{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:8px}
.step-item{position:relative;padding:26px 24px 24px;background:#ffffff;border:1px solid var(--light-border);border-radius:var(--r-card);box-shadow:var(--sh-rest)}
.step-item::after{
  content:"";position:absolute;top:50%;right:-24px;width:16px;border-top:1px dashed rgba(31,200,168,.55);
}
.step-item:last-child::after{display:none}
.step-num{font-family:var(--font-serif);font-size:30px;color:var(--clay);line-height:1;display:block;margin-bottom:14px;letter-spacing:1px}
.step-name{font-family:var(--font-serif);font-size:20px;font-weight:700;margin:0 0 .5em}
.step-text{font-size:15px;line-height:1.88;color:#4E5F67;margin:0 0 20px}
.step-bar{height:3px;border-radius:2px;background:linear-gradient(90deg,var(--jade),rgba(31,200,168,.12))}
.step-item:nth-child(1) .step-bar{width:100%}
.step-item:nth-child(2) .step-bar{width:74%}
.step-item:nth-child(3) .step-bar{width:48%}
.step-note{margin-top:28px;font-size:14px;color:var(--muted)}

/* ===== 适用场景 ===== */
.figure-frame{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--light-border);
  box-shadow:var(--sh-rest);background:#E9F1EF;
}
.figure-frame img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scene-copy p{font-size:16px;line-height:1.9;color:#4E5F67}
.check-list{display:grid;gap:14px;margin:24px 0 28px}
.check-list li{position:relative;padding-left:26px;font-size:15px;line-height:1.85;color:#3A4B54}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;width:10px;height:10px;border-radius:2px;
  background:linear-gradient(135deg,var(--jade),var(--jade-glow));
}
.check-list li strong{color:var(--light-text)}
.entry-links{display:flex;flex-wrap:wrap;gap:14px}
.entry-link{
  display:inline-flex;align-items:center;gap:6px;height:44px;padding:0 20px;
  border:1px solid rgba(31,200,168,.45);border-radius:var(--r-btn);color:var(--light-text);
  font-size:15px;font-weight:600;background:#ffffff;
}
.entry-link:hover{color:var(--light-text);border-color:var(--jade);transform:translateY(-2px);box-shadow:0 8px 20px rgba(31,200,168,.16)}

/* ===== 案例证明 ===== */
.case-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;margin-bottom:56px}
.case-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.case-main{padding:0;overflow:hidden;display:flex;flex-direction:column}
.case-main__media,.case-small__media{position:relative;overflow:hidden;border-top-left-radius:var(--r-glass);border-top-right-radius:var(--r-glass)}
.case-main__media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.case-main__body{padding:26px 28px 28px}
.case-main__body h3{font-size:22px;margin-bottom:.5em}
.case-main__body p{font-size:15px;line-height:1.88;color:rgba(255,255,255,.72)}
.case-chip{
  position:absolute;left:18px;bottom:18px;
  font-size:12px;letter-spacing:.6px;color:#061520;background:var(--jade);
  border-radius:var(--r-badge);padding:4px 10px;font-weight:600;
}
.case-corner{
  position:absolute;right:18px;top:18px;font-family:var(--font-serif);
  font-size:14px;color:var(--jade-glow);background:rgba(6,21,32,.72);
  border:1px solid rgba(69,240,206,.35);border-radius:var(--r-badge);padding:5px 12px;
}
.case-small{padding:0;overflow:hidden;display:flex;flex-direction:column}
.case-small__media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.case-small__body{padding:20px 22px 22px}
.case-small__body h3{font-size:17px;margin-bottom:.35em}
.case-small__body p{font-size:13.5px;color:rgba(255,255,255,.66);margin:0}
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  border-top:1px solid rgba(140,220,205,.18);padding-top:40px;
}
.stat-item .stat-value{font-family:var(--font-serif);font-size:44px;line-height:1;color:#ffffff;font-weight:700;letter-spacing:1px}
.stat-item .stat-value span{font-size:18px;color:var(--jade-glow);margin-left:4px}
.stat-item .stat-label{display:block;margin-top:12px;font-size:13.5px;color:rgba(255,255,255,.6)}

/* ===== FAQ ===== */
.faq-shell{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start}
.faq-intro h2{font-size:32px;margin-bottom:.5em;color:#ffffff}
.faq-intro p{font-size:15px;line-height:1.9;color:rgba(255,255,255,.68)}
.faq-contact{
  margin-top:26px;padding:20px 22px;border-radius:var(--r-glass);
  background:var(--glass-bg);border:1px solid var(--glass-border);
}
.faq-contact p{font-size:13.5px;margin:0 0 10px;color:rgba(255,255,255,.66)}
.faq-accordion .accordion-item{
  background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:14px;
  margin-bottom:12px;overflow:hidden;
  backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);
}
.faq-accordion .accordion-header{margin:0;font-family:var(--font-sans)}
.faq-accordion .accordion-button{
  background:transparent;color:#ffffff;font-family:var(--font-sans);font-size:16px;font-weight:600;
  padding:20px 58px 20px 22px;min-height:48px;position:relative;box-shadow:none;border:0;line-height:1.6;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--jade-glow);background:rgba(31,200,168,.07);box-shadow:inset 3px 0 0 var(--jade);
}
.faq-accordion .accordion-button:focus{box-shadow:inset 0 0 0 0 transparent;border:0;outline:none}
.faq-accordion .accordion-button:focus-visible{outline:2px solid var(--jade-glow);outline-offset:-2px}
.faq-accordion .accordion-button::after{
  content:"";width:10px;height:10px;border-right:2px solid var(--jade);border-bottom:2px solid var(--jade);
  background-image:none;position:absolute;right:24px;top:50%;margin:-7px 0 0 0;
  transform:rotate(45deg);transition:transform .24s var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(225deg)}
.faq-accordion .accordion-body{padding:4px 24px 24px;font-size:15px;line-height:1.92;color:rgba(255,255,255,.74)}
.faq-accordion .accordion-body p{margin-bottom:.9em}

/* ===== 最新信息 ===== */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.news-head h2{font-size:32px;margin:0}
.news-head p{font-size:15px;color:var(--muted);margin:10px 0 0}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:#ffffff;border:1px solid var(--light-border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-rest);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(6,21,32,.14)}
.news-card__media{display:block;overflow:hidden;background:#E9F1EF}
.news-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-card__media img{transform:scale(1.04)}
.news-card__body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.news-card__meta{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.news-card__title{
  font-size:17.5px;line-height:1.55;margin:0 0 .55em;font-family:var(--font-serif);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__title a:hover{color:var(--jade)}
.news-card__desc{
  font-size:14px;line-height:1.8;color:var(--muted);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__time{font-size:13px;color:#9BABB1;margin-top:auto}
.news-empty{
  text-align:center;padding:80px 24px;background:#ffffff;border:1px dashed var(--light-border);
  border-radius:var(--r-card);
}
.news-empty svg{color:var(--jade);margin-bottom:18px}
.news-empty p{font-size:15px;color:var(--muted);margin-bottom:22px}

/* ===== 立即开通 ===== */
.cta-band{position:relative;overflow:hidden;background:var(--ink-900);color:#ffffff;padding:96px 0}
.cta-band__glow{
  position:absolute;left:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,200,168,.16),rgba(31,200,168,0) 70%);pointer-events:none;
}
.cta-panel{
  position:relative;z-index:2;
  background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--r-glass);
  backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset,var(--sh-float);
  padding:44px;
}
.cta-panel h2{font-size:30px;color:#ffffff;margin-bottom:.5em}
.cta-panel p{font-size:15px;line-height:1.9;color:rgba(255,255,255,.72)}
.cta-recap{display:grid;gap:12px;margin-top:26px}
.cta-recap li{display:flex;gap:12px;align-items:center;font-size:14.5px;color:rgba(255,255,255,.78)}
.cta-recap li span{font-family:var(--font-serif);color:var(--clay);font-size:14px;flex:none}
.apply-form{display:grid;gap:16px}
.form-field{display:flex;flex-direction:column}
.form-label{font-size:13px;color:rgba(255,255,255,.62);margin-bottom:7px;font-weight:500}
.form-control,.form-select{
  height:48px;border-radius:var(--r-btn);border:1px solid rgba(140,220,205,.22);
  background:rgba(255,255,255,.94);color:var(--light-text);font-size:15px;padding:0 14px;box-shadow:none;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.form-control::placeholder{color:#9BABB1}
.form-control:focus,.form-select:focus{border-color:var(--jade);box-shadow:0 0 0 3px rgba(31,200,168,.22);outline:none;background:#ffffff}
.form-select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%231FC8A8' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}
.form-hint{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:8px}
.apply-form .error-text{font-size:12.5px;color:var(--clay);margin-top:6px;display:none}
.has-error .form-control,.has-error .form-select{border-color:var(--clay)}
.has-error .error-text{display:block}
.apply-form .btn-jade{width:100%;height:48px}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink-700);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-top{padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#ffffff;font-size:18px}
.footer-brand .brand-mark{color:var(--jade)}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.58);max-width:300px}
.footer-title{font-size:14px;color:var(--jade);font-weight:600;letter-spacing:.6px;margin:0 0 18px}
.footer-list{display:grid;gap:12px}
.footer-list a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-list a:hover{color:var(--jade-glow)}
.footer-list li span{font-size:14px;color:rgba(255,255,255,.6)}
.footer-bottom{border-top:1px solid rgba(140,220,205,.14);padding:22px 0}
.footer-bottom__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px}
.footer-bottom__inner p{font-size:13px;color:rgba(255,255,255,.5);margin:0}
.back-top{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;
  border:1px solid rgba(140,220,205,.28);border-radius:var(--r-btn);
  background:transparent;color:rgba(255,255,255,.78);font-size:13px;
}
.back-top:hover{color:#ffffff;border-color:var(--jade);background:rgba(31,200,168,.10)}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .section{padding:72px 0}
  .hero{padding:80px 0 88px}
  .hero-title{font-size:42px}
  .section-title,.faq-intro h2,.news-head h2{font-size:28px}
  .stat-item .stat-value{font-size:38px}
}
@media (max-width:991.98px){
  .hero-title{font-size:36px}
  .hero-sub{font-size:16px}
  .case-grid{grid-template-columns:1fr}
  .case-side{grid-template-rows:auto auto}
  .faq-shell{grid-template-columns:1fr;gap:32px}
  .cta-panel{padding:32px}
  .news-head{flex-direction:column;align-items:flex-start}
  .steps-track{grid-template-columns:1fr;gap:20px;position:relative;padding-left:26px}
  .steps-track::before{content:"";position:absolute;left:6px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,var(--jade),rgba(31,200,168,.15))}
  .step-item::after{display:none}
  .step-item::before{content:"";position:absolute;left:-26px;top:34px;width:12px;height:12px;border-radius:50%;background:var(--jade);box-shadow:0 0 0 4px rgba(31,200,168,.18)}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:28px 20px}
}
@media (max-width:767.98px){
  body{font-size:15.5px;line-height:1.85}
  .container,.container-fluid{padding-left:16px;padding-right:16px}
  .section{padding:56px 0}
  .hero{padding:60px 0 64px}
  .hero-title{font-size:29px}
  .hero-title br{display:none}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .section-head{margin-bottom:36px}
  .section-title,.faq-intro h2,.news-head h2{font-size:23px}
  .cta-panel{padding:24px}
  .glass-card{padding:22px}
  .step-item{padding:22px 20px}
  .case-main__body,.case-small__body{padding:20px}
  .stat-item .stat-value{font-size:32px}
  .footer-bottom__inner{flex-direction:column;align-items:flex-start}
  .entry-links .entry-link{width:100%;justify-content:center}
}
@media (max-width:575.98px){
  .stat-row{grid-template-columns:1fr}
  .hero-eyebrow{font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --ink-900:#061520;
  --ink-850:#05121A;
  --ink-800:#0B1E2B;
  --jade:#1FC8A8;
  --jade-strong:#159E86;
  --glow:#45F0CE;
  --clay:#D9A45B;
  --paper:#F6F9F8;
  --paper-soft:#F2F7F6;
  --text:#0E2230;
  --text-soft:#4A5F6B;
  --text-mute:#7A8C96;
  --line:#E3EBEA;
  --line-strong:#CFDCDA;
  --r-card:16px;
  --r-glass:18px;
  --r-btn:10px;
  --r-img:14px;
  --r-badge:6px;
  --shadow-rest:0 8px 24px rgba(6,21,32,.10);
  --shadow-float:0 18px 48px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(69,240,206,.35), 0 10px 30px rgba(31,200,168,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:.24s var(--ease);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;

  --bs-primary:#1FC8A8;
  --bs-primary-rgb:31,200,168;
  --bs-body-font-family:var(--font-sans);
  --bs-body-color:#0E2230;
  --bs-body-bg:#F6F9F8;
  --bs-border-color:#E3EBEA;
  --bs-link-color:#159E86;
  --bs-link-hover-color:#1FC8A8;
  --bs-border-radius:10px;
  --bs-border-radius-lg:16px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--jade-strong);text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t);}
a:hover{color:var(--jade);}
h1,h2,h3,h4,h5{font-family:var(--font-serif);color:var(--ink-900);margin:0 0 .6em;line-height:1.34;letter-spacing:.2px;}
p{margin:0 0 1.1em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--glow);outline-offset:2px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(6,21,32,.06);}
.nav-inner{height:70px;display:flex;align-items:center;gap:26px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink-900);}
.brand:hover{color:var(--ink-900);}
.brand-mark{display:inline-flex;color:var(--jade);}
.brand-text{font-family:var(--font-serif);font-size:20px;font-weight:700;letter-spacing:.6px;}
.main-nav{margin-left:6px;align-items:center;gap:4px;}
.main-nav .nav-link{
  position:relative;
  padding:9px 13px;
  font-size:15px;
  color:#3B515C;
  border-radius:8px;
  transition:color var(--t),background var(--t);
}
.main-nav .nav-link:hover{color:var(--ink-900);background:var(--paper-soft);}
.main-nav .nav-link.active{color:var(--ink-900);font-weight:600;}
.main-nav .nav-link.active::after{
  content:"";
  position:absolute;
  left:13px;right:13px;bottom:-2px;
  height:2px;border-radius:2px;
  background:var(--jade);
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search input{
  height:40px;width:210px;
  padding:0 36px 0 14px;
  border-radius:10px;
  border:1px solid transparent;
  background:#F2F6F5;
  font-size:14px;
  color:var(--ink-900);
  outline:none;
  transition:border-color var(--t),background var(--t),box-shadow var(--t);
}
.nav-search input::placeholder{color:#93A5AB;}
.nav-search input:focus{border-color:var(--jade);background:#fff;box-shadow:0 0 0 3px rgba(31,200,168,.14);}
.nav-search svg{position:absolute;right:12px;color:#8FA3A8;pointer-events:none;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-900);
  cursor:pointer;
  transition:border-color var(--t),color var(--t),background var(--t);
}
.nav-toggle:hover{border-color:var(--jade);color:var(--jade-strong);background:var(--paper-soft);}

/* 抽屉导航 */
.mobile-drawer{
  position:fixed;inset:0;z-index:1060;
  background:rgba(6,21,32,.5);
  opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t);
}
.mobile-drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;
  width:min(340px,88vw);height:100%;
  background:#FFFFFF;
  display:flex;flex-direction:column;
  transform:translateX(100%);
  transition:transform .3s var(--ease);
  box-shadow:-12px 0 40px rgba(6,21,32,.18);
}
.mobile-drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);}
.drawer-head .brand-text{font-size:18px;}
.drawer-close{
  height:36px;padding:0 14px;
  border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--text-soft);font-size:13px;cursor:pointer;
  transition:all var(--t);
}
.drawer-close:hover{border-color:var(--jade);color:var(--jade-strong);}
.drawer-nav{padding:8px 0;overflow-y:auto;}
.drawer-link{
  display:flex;align-items:center;
  height:48px;padding:0 22px;
  font-size:15px;color:var(--ink-900);
  border-bottom:1px solid var(--paper-soft);
}
.drawer-link:hover{background:var(--paper-soft);color:var(--jade-strong);}
.drawer-link.active{color:var(--jade-strong);font-weight:600;border-left:3px solid var(--jade);}
.drawer-foot{margin-top:auto;padding:16px 20px 22px;border-top:1px solid var(--line);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:transform var(--t),box-shadow var(--t),filter var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-primary{
  background:linear-gradient(135deg,#2FD9B6 0%,#45F0CE 100%);
  color:var(--ink-900);
  border-color:transparent;
  box-shadow:0 6px 18px rgba(31,200,168,.22);
}
.btn-primary:hover,.btn-primary:focus{
  background:linear-gradient(135deg,#38E3BF 0%,#57FFDA 100%);
  color:var(--ink-900);
  transform:translateY(-2px);
  box-shadow:var(--shadow-glow);
  filter:brightness(1.06);
}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);box-shadow:0 4px 12px rgba(31,200,168,.25);}
.btn-ghost{background:transparent;border-color:rgba(31,200,168,.5);color:#fff;}
.btn-ghost:hover{background:rgba(69,240,206,.12);border-color:var(--glow);color:#fff;transform:translateY(-2px);}
.btn-line{background:#fff;border-color:var(--line-strong);color:var(--ink-900);}
.btn-line:hover{border-color:var(--jade);color:var(--jade-strong);transform:translateY(-2px);box-shadow:var(--shadow-rest);}
.btn:disabled,.btn.disabled{opacity:.45;box-shadow:none;transform:none;filter:none;pointer-events:none;}
.btn-nav{height:40px;padding:0 18px;font-size:14px;border-radius:10px;box-shadow:0 4px 14px rgba(31,200,168,.24);}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--jade-strong);}
.link-more:hover{gap:10px;color:var(--jade);}

/* ===== 深色窄面包屑条 ===== */
.article-band{
  position:relative;
  min-height:180px;
  display:flex;
  align-items:center;
  background:linear-gradient(180deg,#061520 0%,#0B1E2B 100%);
  overflow:hidden;
}
.article-band::before{
  content:"";
  position:absolute;
  top:-150px;right:-70px;
  width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,200,168,.12),transparent 68%);
}
.article-band::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(69,240,206,.35),transparent);
}
.band-wave{position:absolute;inset:0;width:100%;height:100%;opacity:.08;}
.band-inner{position:relative;z-index:2;width:100%;padding:38px 0;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;margin:0 0 16px;padding:0;list-style:none;}
.crumbs a{color:rgba(255,255,255,.65);}
.crumbs a:hover{color:var(--glow);}
.crumbs .sep{color:rgba(255,255,255,.32);}
.crumbs .current{color:#fff;font-weight:600;}
.band-title{font-family:var(--font-serif);font-size:20px;color:#fff;margin:0 0 8px;font-weight:700;letter-spacing:.4px;}
.band-note{margin:0;font-size:14px;color:rgba(255,255,255,.52);}

/* ===== 文章主体 ===== */
.article-main{background:var(--paper);padding:56px 0 72px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 240px;
  gap:48px;
  align-items:start;
}
.article-shell{
  max-width:820px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:40px 44px 36px;
  box-shadow:var(--shadow-rest);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-bottom:18px;}
.badge-cat{
  display:inline-flex;align-items:center;
  height:28px;padding:0 12px;
  border-radius:var(--r-badge);
  background:rgba(31,200,168,.10);
  border:1px solid rgba(31,200,168,.42);
  color:var(--jade-strong);
  font-size:13px;font-weight:600;letter-spacing:.4px;
}
.meta-item{font-size:13px;color:var(--text-mute);}
.meta-item b{color:var(--text-soft);font-weight:600;}
.article-title{
  font-size:46px;
  font-weight:700;
  line-height:1.3;
  color:var(--ink-900);
  margin:0 0 14px;
}
.title-brand{
  display:inline-block;
  margin-left:12px;
  padding:3px 10px;
  border-radius:var(--r-badge);
  border:1px solid rgba(31,200,168,.42);
  background:rgba(31,200,168,.08);
  font-family:var(--font-sans);
  font-size:14px;font-weight:500;
  letter-spacing:.8px;
  color:var(--jade-strong);
  vertical-align:middle;
}
.article-rule{height:1px;background:linear-gradient(90deg,var(--jade),rgba(69,240,206,.05));margin:22px 0 30px;border:0;}

.article-body{font-size:16px;line-height:1.92;color:var(--text);}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.4em;line-height:1.92;}
.article-body h2{
  position:relative;
  font-size:30px;
  margin:2em 0 .9em;
  padding-left:16px;
  color:var(--ink-900);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--jade),var(--glow));
}
.article-body h3{font-size:21px;margin:1.7em 0 .7em;color:var(--ink-800);}
.article-body h4{font-size:17px;margin:1.4em 0 .6em;color:var(--ink-800);}
.article-body ul,.article-body ol{list-style:none;padding-left:0;margin:0 0 1.5em;}
.article-body ul>li,.article-body ol>li{position:relative;padding-left:22px;margin-bottom:.62em;line-height:1.9;}
.article-body ul>li::before{
  content:"";position:absolute;left:2px;top:.78em;width:7px;height:7px;
  border-radius:2px;background:var(--jade);
}
.article-body ol{counter-reset:ol;}
.article-body ol>li{counter-increment:ol;}
.article-body ol>li::before{
  content:counter(ol);
  position:absolute;left:0;top:0;
  font-family:var(--font-serif);font-size:15px;font-weight:700;color:var(--clay);
}
.article-body blockquote{
  margin:1.8em 0;
  padding:20px 24px;
  background:var(--paper-soft);
  border-left:3px solid var(--jade);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--text-soft);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:1.6em 0 .8em;box-shadow:var(--shadow-rest);}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{font-size:13px;color:var(--text-mute);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.article-body th{background:var(--paper-soft);font-weight:600;color:var(--ink-900);}
.article-body a{color:var(--jade-strong);border-bottom:1px solid rgba(31,200,168,.35);}
.article-body a:hover{color:var(--jade);border-bottom-color:var(--jade);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}
.article-body strong{color:var(--ink-900);font-weight:700;}

.article-empty{padding:56px 0;text-align:center;}
.article-empty svg{color:var(--line-strong);margin:0 auto 18px;}
.article-empty p{font-size:17px;color:var(--text-soft);margin-bottom:22px;}

.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:38px;padding-top:24px;border-top:1px solid var(--line);}
.tag-label{font-size:13px;color:var(--text-mute);}
.tag{
  display:inline-flex;align-items:center;
  height:30px;padding:0 13px;
  border-radius:var(--r-badge);
  background:var(--paper-soft);
  border:1px solid var(--line);
  font-size:13px;color:var(--text-soft);
  transition:all var(--t);
}
.tag:hover{border-color:var(--jade);color:var(--jade-strong);background:rgba(31,200,168,.08);}
.article-foot{margin-top:26px;}

/* 目录 */
.article-toc{
  position:sticky;top:96px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-img);
  padding:20px 18px;
  box-shadow:var(--shadow-rest);
}
.toc-title{font-family:var(--font-sans);font-size:13px;font-weight:600;letter-spacing:1.2px;color:var(--jade-strong);margin:0 0 14px;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-link{
  display:block;
  padding:8px 10px;
  font-size:14px;line-height:1.6;
  color:var(--text-soft);
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  transition:all var(--t);
}
.toc-link:hover{color:var(--ink-900);background:var(--paper-soft);}
.toc-link.is-active{color:var(--jade-strong);border-left-color:var(--jade);background:rgba(31,200,168,.07);font-weight:600;}

/* ===== 相关推荐 ===== */
.related{background:var(--paper);padding:8px 0 88px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;}
.section-head h2{font-size:30px;margin:0;}
.rec-card{
  display:flex;flex-direction:column;
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-rest);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.rec-card:hover{transform:translateY(-4px);border-color:rgba(31,200,168,.4);box-shadow:0 18px 38px rgba(6,21,32,.14);}
.rec-thumb{display:block;aspect-ratio:16/10;background:var(--ink-800);overflow:hidden;}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.rec-card:hover .rec-thumb img{transform:scale(1.05);}
.rec-body{display:flex;flex-direction:column;gap:8px;padding:20px 22px 24px;}
.rec-cat{font-size:12px;font-weight:600;letter-spacing:.6px;color:var(--jade-strong);}
.rec-title{font-family:var(--font-serif);font-size:18px;font-weight:700;line-height:1.5;color:var(--ink-900);}
.rec-date{font-size:13px;color:var(--text-mute);}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink-850);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-top{padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:14px;}
.footer-brand .brand-mark{color:var(--jade);}
.footer-brand .brand-text{font-family:var(--font-serif);font-size:20px;font-weight:700;}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.58);max-width:330px;margin:0;}
.footer-title{font-family:var(--font-sans);font-size:14px;font-weight:600;letter-spacing:1.2px;color:var(--jade);margin:0 0 16px;}
.footer-list{list-style:none;margin:0;padding:0;}
.footer-list li{margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.6);}
.footer-list a{color:rgba(255,255,255,.72);}
.footer-list a:hover{color:var(--jade);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;}
.footer-bottom__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.footer-bottom p{margin:0;font-size:13px;color:rgba(255,255,255,.45);}
.back-top{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 16px;
  border-radius:10px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(140,220,205,.16);
  color:rgba(255,255,255,.8);
  font-size:13px;cursor:pointer;
  transition:all var(--t);
}
.back-top:hover{background:var(--jade);border-color:var(--jade);color:var(--ink-900);}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 210px;gap:34px;}
  .nav-search input{width:170px;}
}
@media (max-width:991.98px){
  .nav-inner{height:66px;gap:14px;}
  .nav-toggle{display:inline-flex;}
  .nav-search{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .article-toc{position:static;order:2;}
  .article-shell{padding:32px 28px;max-width:100%;}
  .article-title{font-size:32px;}
  .article-body h2{font-size:24px;}
  .article-body h3{font-size:19px;}
  .article-band{min-height:160px;}
  .article-main{padding:40px 0 56px;}
  .related{padding-bottom:64px;}
  .section-head h2{font-size:24px;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
  .brand-text{font-size:18px;}
  .article-shell{padding:26px 20px 28px;}
  .article-title{font-size:28px;}
  .title-brand{margin-left:0;margin-top:10px;display:inline-block;}
  .article-body h2{font-size:22px;padding-left:14px;}
  .article-body blockquote{padding:16px 18px;}
  .btn-nav{height:38px;padding:0 14px;font-size:13px;}
  .footer-bottom__inner{justify-content:center;text-align:center;}
  .back-top{width:100%;justify-content:center;}
}
@media (max-width:575.98px){
  .article-band{min-height:150px;}
  .band-inner{padding:28px 0;}
  .rec-body{padding:16px 18px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --ink-900:#061520;
  --ink-800:#0B1E2B;
  --ink-700:#122E3F;
  --jade:#1FC8A8;
  --jade-dark:#16A88C;
  --glow:#45F0CE;
  --clay:#D9A45B;
  --paper:#F6F9F8;
  --white:#FFFFFF;
  --text:#0E2230;
  --text-soft:#3E5967;
  --muted:#6B8493;
  --line:#E3EBEA;
  --glass-bg:rgba(255,255,255,.055);
  --glass-line:rgba(140,220,205,.16);
  --r-card:16px;
  --r-glass:18px;
  --r-btn:10px;
  --r-img:14px;
  --r-badge:6px;
  --sh-1:0 8px 24px rgba(6,21,32,.10);
  --sh-2:0 18px 48px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(69,240,206,.35),0 10px 30px rgba(31,200,168,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --section-y:96px;

  --bs-primary:#1FC8A8;
  --bs-body-font-family:var(--font-sans);
  --bs-body-color:#0E2230;
  --bs-body-bg:#F6F9F8;
  --bs-link-color:#16A88C;
  --bs-link-hover-color:#1FC8A8;
  --bs-border-radius:10px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--jade-dark);text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--jade)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;color:var(--ink-800);margin:0;line-height:1.35;letter-spacing:.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--glow);outline-offset:2px}

.container{max-width:1200px;padding-left:24px;padding-right:24px}

/* ---------- 按钮体系 ---------- */
.btn-jade,
.btn-line,
.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:0;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),filter .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease);
}
.btn-jade{
  color:#061520;
  background:linear-gradient(120deg,#1FC8A8 0%,#45F0CE 100%);
  box-shadow:0 8px 24px rgba(6,21,32,.10);
}
.btn-jade:hover{color:#061520;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(69,240,206,.35),0 14px 40px rgba(31,200,168,.42)}
.btn-jade:active{transform:translateY(0);filter:brightness(.94)}
.btn-jade:focus-visible{outline:2px solid var(--glow);outline-offset:2px}

.btn-line{
  color:#FFFFFF;background:transparent;
  border:1px solid rgba(31,200,168,.6);
}
.btn-line:hover{color:#FFFFFF;background:rgba(31,200,168,.12);border-color:var(--glow);transform:translateY(-2px);box-shadow:0 12px 32px rgba(31,200,168,.22)}
.btn-line:active{transform:translateY(0);filter:brightness(.94)}

.btn-text{
  height:auto;padding:0;color:var(--jade-dark);background:transparent;
}
.btn-text svg{transition:transform .24s var(--ease)}
.btn-text:hover{color:var(--jade)}
.btn-text:hover svg{transform:translateX(4px)}

.btn-jade:disabled,.btn-line:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(6,21,32,.06)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;height:70px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink-800);flex-shrink:0}
.brand-mark{display:inline-flex;color:var(--jade);line-height:0}
.brand-text{font-family:var(--font-serif);font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--ink-800)}
.brand:hover .brand-text{color:var(--jade-dark)}

.main-nav{align-items:center;gap:4px}
.main-nav .nav-link{
  position:relative;display:inline-block;padding:8px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--text-soft);text-decoration:none;
  transition:color .24s var(--ease),background-color .24s var(--ease);
}
.main-nav .nav-link:hover{color:var(--ink-800);background:#F2F6F5}
.main-nav .nav-link.active{color:var(--ink-800);font-weight:600}
.main-nav .nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--jade);border-radius:2px;
}

.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;border-radius:var(--r-btn);
  background:#F2F6F5;border:1px solid transparent;
  transition:border-color .24s var(--ease),background-color .24s var(--ease);
}
.search-box svg{color:var(--muted);flex-shrink:0}
.search-box input{
  border:0;background:transparent;outline:none;width:132px;
  font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:#93A8B1}
.search-box:focus-within{border-color:var(--jade);background:#FFFFFF;box-shadow:0 0 0 3px rgba(31,200,168,.12)}

.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-btn);
  background:#F2F6F5;border:1px solid var(--line);color:var(--ink-800);cursor:pointer;
  transition:background-color .24s var(--ease);
}
.nav-toggle:hover{background:#E7F0EE}

.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#FFFFFF;
  padding:12px 0 0;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer__list{padding:0 24px}
.mobile-drawer__list a{
  display:flex;align-items:center;height:48px;
  font-size:16px;color:var(--text-soft);border-bottom:1px solid var(--line);
}
.mobile-drawer__list a.active{color:var(--jade-dark);font-weight:600}
.mobile-drawer__search{padding:14px 24px 0}
.mobile-drawer__search .search-box{width:100%}
.mobile-drawer__search .search-box input{width:100%}
.mobile-drawer__cta{padding:16px 24px 20px}
.mobile-drawer__cta .btn-jade{width:100%}

/* ---------- 首屏 ---------- */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  min-height:280px;display:flex;align-items:center;
  padding:60px 0 64px;
  background-color:var(--ink-900);
  background-image:linear-gradient(rgba(6,21,32,.86),rgba(6,21,32,.94)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-glow{
  position:absolute;top:-140px;right:-80px;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,200,168,.12) 0%,rgba(31,200,168,0) 70%);
  pointer-events:none;
}
.hero-wave{
  position:absolute;left:0;right:0;bottom:-6px;width:100%;height:120px;
  opacity:.07;pointer-events:none;color:var(--glow);
}
.cat-hero__inner{position:relative;z-index:2;max-width:880px}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;margin-bottom:18px;
}
.crumb a{color:inherit;text-decoration:none}
.crumb a:hover{color:var(--glow)}
.crumb .sep{opacity:.65}
.crumb--dark{color:rgba(255,255,255,.65)}
.crumb--dark .current{color:#fff;font-weight:600}
.cat-hero h1{
  color:#fff;font-size:44px;line-height:1.3;margin-bottom:.62em;
}
.cat-hero__sub{
  font-size:16px;line-height:1.9;color:rgba(255,255,255,.78);margin-bottom:28px;
}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 板块通用 ---------- */
.section{padding:var(--section-y) 0}
.section--tight{padding-top:72px}
.section--paper{background:var(--paper)}
.section--ink{background:var(--ink-800);color:rgba(255,255,255,.82)}
.section--deep{background:var(--ink-900);color:rgba(255,255,255,.82)}
.section--ink h2,.section--deep h2,.section--ink h3,.section--deep h3{color:#fff}

.section-head{max-width:760px;margin-bottom:48px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;font-weight:600;
  color:var(--jade-dark);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--clay);display:inline-block}
.section--ink .eyebrow,.section--deep .eyebrow{color:var(--glow)}
.section-title{font-size:32px;line-height:1.4;margin-bottom:.6em}
.section-sub{font-size:16px;line-height:1.9;color:var(--muted)}
.section--ink .section-sub,.section--deep .section-sub{color:rgba(255,255,255,.68)}

/* ---------- 图文交错长条卡 ---------- */
.zigzag-list{display:flex;flex-direction:column;gap:24px}
.zigzag-item{
  display:flex;align-items:center;gap:32px;
  background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:box-shadow .24s var(--ease),transform .24s var(--ease);
}
.zigzag-item:hover{box-shadow:0 18px 48px rgba(6,21,32,.12);transform:translateY(-2px)}
.zigzag-item--reverse{flex-direction:row-reverse}
.zigzag-item__media{
  flex:0 0 42%;max-width:42%;border-radius:var(--r-img);overflow:hidden;
  background:#E7F0EE;
}
.zigzag-item__media img{
  width:100%;height:210px;object-fit:cover;border-radius:var(--r-img);
}
.zigzag-item__body{flex:1 1 58%;min-width:0}
.stage-tag{
  display:inline-block;padding:3px 10px;margin-bottom:14px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--clay);border:1px solid rgba(217,164,91,.5);
  border-radius:var(--r-badge);
}
.zigzag-item__body h3{font-size:21px;margin-bottom:.6em;line-height:1.5}
.zigzag-item__body p{font-size:15px;line-height:1.9;color:var(--text-soft)}
.zigzag-item__meta{
  margin-top:16px;display:flex;flex-wrap:wrap;gap:10px 22px;
  font-size:13px;color:var(--muted);
}
.zigzag-item__meta span{display:inline-flex;align-items:center;gap:6px}
.dot-jade{width:5px;height:5px;border-radius:50%;background:var(--jade);display:inline-block}

/* ---------- 进度时间线 ---------- */
.timeline{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px;
}
.timeline__item{position:relative;padding-top:0}
.timeline__item:not(:last-child)::after{
  content:"";position:absolute;top:15px;left:calc(100% + 4px);width:16px;
  border-top:1px dashed #BFD5D1;
}
.timeline__num{
  font-family:var(--font-serif);font-size:30px;font-weight:700;line-height:1;
  color:var(--clay);margin-bottom:16px;
}
.timeline__item h3{font-size:18px;margin-bottom:.5em}
.timeline__item p{font-size:14px;line-height:1.85;color:var(--muted)}
.timeline__item .line{
  margin-top:18px;height:2px;width:100%;
  background:linear-gradient(90deg,var(--jade) 0%,rgba(31,200,168,.12) 100%);
  border-radius:2px;
}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside h2{font-size:30px;margin-bottom:.7em}
.faq-aside p{font-size:15px;line-height:1.9;color:rgba(255,255,255,.68)}
.faq-aside .btn-text{margin-top:22px;color:var(--glow)}
.faq-aside .btn-text:hover{color:#ffffff}

.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-width:0;--bs-accordion-btn-icon-width:1rem;}
.accordion-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-line);
  border-radius:var(--r-glass) !important;
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset;
  margin-bottom:12px;
  overflow:hidden;
}
.accordion-button{
  background:transparent !important;
  color:#E8F4F1 !important;
  font-family:var(--font-sans);
  font-size:16px;font-weight:600;line-height:1.7;
  padding:20px 22px;
  border-radius:var(--r-glass) !important;
  box-shadow:none !important;
  transition:color .24s var(--ease);
}
.accordion-button:not(.collapsed){
  color:var(--glow) !important;
  box-shadow:inset 3px 0 0 0 var(--jade) !important;
}
.accordion-button:focus{box-shadow:inset 3px 0 0 0 var(--jade) !important;outline:none}
.accordion-button::after{
  --bs-accordion-btn-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M6 3l5 5-5 5' fill='none' stroke='%238FB3AC' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  --bs-accordion-btn-active-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M6 3l5 5-5 5' fill='none' stroke='%2345F0CE' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-image:var(--bs-accordion-btn-icon);
  transition:transform .24s var(--ease),background-image .24s var(--ease);
}
.accordion-button:not(.collapsed)::after{
  background-image:var(--bs-accordion-btn-active-icon);
  transform:rotate(90deg);
}
.accordion-body{
  padding:0 22px 22px 25px;
  font-size:15px;line-height:1.9;color:rgba(255,255,255,.74);
}

/* ---------- CTA 与表单 ---------- */
.cta-band{
  background:var(--ink-900);
  padding:0 0 var(--section-y);
}
.glass-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-line);
  border-radius:var(--r-glass);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 18px 48px rgba(0,0,0,.45);
  padding:40px;
}
.cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:start}
.cta-copy h2{font-size:30px;color:#fff;margin-bottom:.7em}
.cta-copy p{font-size:15px;line-height:1.9;color:rgba(255,255,255,.72)}
.cta-steps{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.cta-steps li{
  display:flex;gap:14px;align-items:flex-start;
  font-size:14px;line-height:1.8;color:rgba(255,255,255,.78);
}
.cta-steps .idx{
  flex:0 0 26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:13px;font-weight:700;
  color:var(--clay);border:1px solid rgba(217,164,91,.55);
}

.apply-form .field{margin-bottom:18px}
.apply-form label{
  display:block;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:8px;
}
.apply-form .form-control,
.apply-form .form-select{
  height:48px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(140,220,205,.22);
  color:#FFFFFF;font-size:15px;
  padding:0 14px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.apply-form .form-control::placeholder{color:rgba(255,255,255,.38)}
.apply-form .form-control:focus,
.apply-form .form-select:focus{
  background:rgba(255,255,255,.09);
  border-color:var(--jade);
  box-shadow:0 0 0 3px rgba(31,200,168,.18);
  color:#FFFFFF;outline:none;
}
.apply-form .form-select option{color:#0E2230}
.apply-form .btn-jade{width:100%;margin-top:6px}
.form-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.5)}
.form-ok{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-btn);
  font-size:14px;color:var(--glow);
  background:rgba(31,200,168,.12);border:1px solid rgba(31,200,168,.4);
}
.form-ok.is-show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:#05121A;color:rgba(255,255,255,.66)}
.footer-top{padding:72px 0 48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:var(--jade)}
.footer-brand .brand-text{color:#fff;font-family:var(--font-serif);font-size:18px;font-weight:700}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.55);max-width:320px}
.footer-title{
  font-family:var(--font-sans);font-size:14px;font-weight:600;
  color:var(--jade);margin-bottom:18px;letter-spacing:.05em;
}
.footer-list li{margin-bottom:12px;font-size:14px;line-height:1.8}
.footer-list a{color:rgba(255,255,255,.66);text-decoration:none}
.footer-list a:hover{color:var(--jade)}
.footer-list span{color:rgba(255,255,255,.55)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0}
.footer-bottom__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
}
.footer-bottom__inner p{font-size:13px;color:rgba(255,255,255,.45);line-height:1.8}
.back-top{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.05);border:1px solid rgba(140,220,205,.2);
  color:rgba(255,255,255,.72);font-size:13px;cursor:pointer;
  transition:color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.back-top:hover{color:var(--glow);border-color:rgba(69,240,206,.5);transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .cat-hero h1{font-size:38px}
  .section-title{font-size:29px}
}
@media (max-width:991.98px){
  :root{--section-y:72px}
  .cat-hero h1{font-size:32px}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .glass-card{padding:30px}
  .timeline{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .timeline__item:nth-child(2)::after{display:none}
  .footer-top{padding:56px 0 36px}
}
@media (max-width:767.98px){
  :root{--section-y:56px}
  .container{padding-left:16px;padding-right:16px}
  .cat-hero{min-height:280px;padding:48px 0 52px}
  .cat-hero h1{font-size:28px}
  .cat-hero__sub{font-size:15px}
  .cat-hero__actions{gap:12px}
  .cat-hero__actions .btn-jade,
  .cat-hero__actions .btn-line{flex:1 1 100%;min-height:44px}
  .section-title{font-size:24px}
  .zigzag-item,
  .zigzag-item--reverse{flex-direction:column;align-items:stretch;gap:20px;padding:20px}
  .zigzag-item__media{flex:1 1 auto;max-width:100%}
  .zigzag-item__media img{height:190px}
  .timeline{grid-template-columns:1fr}
  .timeline__item:not(:last-child)::after{display:none}
  .back-top{width:100%;justify-content:center}
}
@media (max-width:575.98px){
  .cat-hero h1{font-size:26px}
  .glass-card{padding:22px}
  .accordion-button{font-size:15px;padding:16px 18px}
  .accordion-body{padding:0 18px 18px 21px}
}

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

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root{
  --bs-primary:#1FC8A8;
  --bs-primary-rgb:31,200,168;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-body-color:#0E2230;
  --bs-border-radius:10px;
  --bs-link-color:#0E2230;

  --ink-900:#061520;
  --ink-800:#0B1E2B;
  --ink-foot:#05121A;
  --jade:#1FC8A8;
  --jade-glow:#45F0CE;
  --clay:#D9A45B;
  --surface:#F6F9F8;
  --line:#E3EBEA;
  --text-900:#0E2230;
  --text-600:#5C727C;
  --text-400:#8A9BA3;

  --r-card:16px;
  --r-glass:18px;
  --r-btn:10px;
  --r-img:14px;
  --r-badge:6px;

  --sh-rest:0 8px 24px rgba(6,21,32,.10);
  --sh-lift:0 18px 48px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(69,240,206,.35),0 10px 30px rgba(31,200,168,.30);

  --ease:cubic-bezier(.2,.7,.3,1);
  --t:.24s var(--ease);

  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}

/* ========== 基础 reset ========== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--text-900);
  background:var(--surface);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--t);}
a:hover{color:var(--jade);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0 0 .6em;font-family:var(--font-serif);font-weight:700;line-height:1.35;color:var(--text-900);letter-spacing:.01em;}
p{margin:0 0 1.2em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--jade-glow);outline-offset:2px;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;}

/* ========== 通用区块 ========== */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{margin-bottom:44px;}
.section-head h2{font-size:32px;margin-bottom:14px;}
.section-head p{color:var(--text-600);font-size:16px;margin:0;max-width:720px;}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.16em;
  color:var(--jade);font-weight:600;margin-bottom:14px;
  text-transform:uppercase;
}
.eyebrow--clay{color:var(--clay);}

/* ========== 顶部导航 ========== */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(6,21,32,.06);}
.header-inner{
  height:70px;display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{color:var(--jade);display:inline-flex;line-height:0;}
.brand-text{
  font-family:var(--font-serif);font-size:20px;font-weight:700;
  color:var(--ink-900);letter-spacing:.02em;white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:4px;margin:0 auto;}
.main-nav .nav-link{
  position:relative;padding:8px 14px;font-size:15px;font-weight:500;
  color:#3E5561;border-radius:8px;transition:color var(--t),background var(--t);
  white-space:nowrap;
}
.main-nav .nav-link:hover{color:var(--ink-900);background:#F2F6F5;}
.main-nav .nav-link.active{color:var(--ink-900);font-weight:600;}
.main-nav .nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;
  height:2px;border-radius:2px;background:var(--jade);
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.search-box{
  position:relative;display:flex;align-items:center;
  background:#F2F6F5;border:1px solid transparent;border-radius:10px;
  height:40px;padding:0 12px;transition:border-color var(--t),background var(--t);
}
.search-box svg{color:var(--text-400);flex-shrink:0;}
.search-box input{
  border:0;background:transparent;outline:none;height:100%;
  padding-left:8px;width:158px;font-size:14px;color:var(--text-900);
}
.search-box input::placeholder{color:var(--text-400);}
.search-box:focus-within{border-color:var(--jade);background:#FFFFFF;}
.btn-cta-sm{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:var(--r-btn);
  background:linear-gradient(135deg,var(--jade),var(--jade-glow));
  color:var(--ink-900);font-size:14px;font-weight:600;border:0;
  transition:transform var(--t),box-shadow var(--t),filter var(--t);
}
.btn-cta-sm:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(31,200,168,.34);color:var(--ink-900);filter:brightness(1.06);}
.btn-cta-sm:active{transform:translateY(0);filter:brightness(.96);}

.nav-toggle{
  margin-left:auto;background:#F2F6F5;border:1px solid var(--line);
  border-radius:10px;width:44px;height:44px;display:inline-flex;
  align-items:center;justify-content:center;color:var(--ink-900);
}
.drawer{background:#FFFFFF;border-top:1px solid var(--line);}
.drawer ul{padding:8px 24px 0;}
.drawer li a{
  display:flex;align-items:center;min-height:48px;font-size:16px;
  border-bottom:1px solid var(--line);color:var(--text-900);
}
.drawer li a.active{color:var(--jade);font-weight:600;}
.drawer .drawer-search{padding:16px 24px 0;}
.drawer .drawer-cta{padding:16px 24px 24px;}
.drawer .drawer-cta .btn-cta-sm{width:100%;height:48px;font-size:16px;}

/* ========== Hero ========== */
.page-hero{
  position:relative;overflow:hidden;
  min-height:280px;display:flex;align-items:center;
  background-image:linear-gradient(rgba(6,21,32,.86),rgba(6,21,32,.94)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#EAF6F3;
}
.page-hero--center{text-align:center;}
.hero-glow{
  position:absolute;top:-160px;right:-120px;width:400px;height:400px;
  border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(31,200,168,.12) 0%,rgba(31,200,168,0) 70%);
}
.hero-ripple{
  position:absolute;inset:auto 0 0 0;height:120px;opacity:.07;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;padding-top:52px;padding-bottom:52px;}
.breadcrumb-dark{
  display:flex;align-items:center;gap:8px;justify-content:center;
  font-size:13px;color:rgba(255,255,255,.65);margin-bottom:20px;flex-wrap:wrap;
}
.breadcrumb-dark a{color:rgba(255,255,255,.65);}
.breadcrumb-dark a:hover{color:var(--jade-glow);}
.breadcrumb-dark .sep{opacity:.6;}
.breadcrumb-dark .current{color:#EAF6F3;font-weight:600;}
.page-hero h1{
  color:#FFFFFF;font-size:46px;line-height:1.28;margin-bottom:18px;
  letter-spacing:.01em;
}
.page-hero h1 em{font-style:normal;color:var(--jade-glow);}
.hero-sub{
  font-size:16px;color:rgba(234,246,243,.78);margin:0 auto;max-width:660px;
  line-height:1.9;
}

/* ========== 数据条 ========== */
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  padding:8px 0 0;
}
.stat-item{border-left:1px solid var(--line);padding-left:22px;}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-num{
  font-family:var(--font-serif);font-size:40px;font-weight:700;
  color:var(--ink-900);line-height:1.1;display:block;
}
.stat-num span{font-size:16px;margin-left:4px;color:var(--text-600);font-family:var(--font-sans);}
.stat-label{font-size:13px;color:var(--text-600);margin:8px 0 0;letter-spacing:.02em;}

/* ========== 编号要点分组栅格 ========== */
.group-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
  align-items:start;
}
.group-panel{
  background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px 28px 24px;box-shadow:var(--sh-rest);
  transition:transform var(--t),box-shadow var(--t);
}
.group-panel:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(6,21,32,.14);}
.group-panel__head{display:flex;align-items:center;gap:12px;margin-bottom:8px;}
.group-panel__tag{
  font-size:12px;padding:3px 10px;border-radius:var(--r-badge);
  border:1px solid rgba(217,164,91,.6);color:var(--clay);font-weight:600;
  letter-spacing:.04em;white-space:nowrap;
}
.group-panel h3{font-size:22px;margin:0;}
.group-panel__desc{font-size:14px;color:var(--text-600);margin:12px 0 22px;line-height:1.85;}
.point-list li{
  display:flex;gap:16px;padding:18px 0;border-top:1px dashed var(--line);
}
.point-list li:first-child{border-top:0;padding-top:4px;}
.point-num{
  font-family:var(--font-serif);font-size:20px;font-weight:700;color:var(--clay);
  line-height:1.5;flex-shrink:0;width:34px;
}
.point-body h4{
  font-family:var(--font-sans);font-size:16px;font-weight:600;
  margin:0 0 6px;color:var(--ink-900);
}
.point-body p{font-size:14px;color:var(--text-600);line-height:1.85;margin:0;}

/* ========== 图文案例区 ========== */
.proof-split{
  display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;
}
.proof-media{
  border-radius:var(--r-img);overflow:hidden;position:relative;
  box-shadow:var(--sh-rest);background:var(--ink-800);
}
.proof-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.proof-media__badge{
  position:absolute;left:16px;top:16px;font-size:12px;font-weight:600;
  padding:5px 12px;border-radius:var(--r-badge);
  background:rgba(6,21,32,.72);color:var(--jade-glow);
  border:1px solid rgba(69,240,206,.35);backdrop-filter:blur(6px);
}
.proof-text h2{font-size:30px;margin-bottom:18px;}
.proof-text p{color:var(--text-600);font-size:16px;}
.mini-facts{display:flex;gap:32px;flex-wrap:wrap;margin-top:28px;padding-top:24px;border-top:1px solid var(--line);}
.mini-fact strong{
  display:block;font-family:var(--font-serif);font-size:26px;color:var(--ink-900);line-height:1.2;
}
.mini-fact span{font-size:13px;color:var(--text-600);}

/* ========== 深色区 ========== */
.dark-band{
  position:relative;background:linear-gradient(180deg,var(--ink-900),var(--ink-800));
  color:#DCEBE7;overflow:hidden;
}
.dark-band::before{
  content:"";position:absolute;top:-180px;left:-120px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(31,200,168,.10),rgba(31,200,168,0) 70%);
  pointer-events:none;
}
.dark-band .container{position:relative;z-index:2;}
.dark-band h2{color:#FFFFFF;}
.dark-band .section-head p{color:rgba(220,235,231,.68);}
.dark-band .eyebrow{color:var(--jade-glow);}

/* ========== FAQ ========== */
.faq-split{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-intro h2{color:#FFFFFF;font-size:30px;margin-bottom:16px;}
.faq-intro p{color:rgba(220,235,231,.68);font-size:15px;line-height:1.9;}
.faq-intro .lead-line{
  display:inline-block;margin-top:8px;font-size:13px;color:var(--jade-glow);
  border-left:3px solid var(--jade);padding-left:12px;
}
.accordion .accordion-item{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(140,220,205,.16);
  border-radius:var(--r-glass);
  margin-bottom:12px;
  overflow:hidden;
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset;
}
.accordion .accordion-button{
  position:relative;background:transparent;border:0;box-shadow:none;
  color:#EAF6F3;font-size:16px;font-weight:600;
  padding:20px 24px 20px 26px;line-height:1.7;
  transition:color var(--t);
}
.accordion .accordion-button:not(.collapsed){color:var(--jade-glow);background:transparent;box-shadow:none;}
.accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--jade);border-radius:0 3px 3px 0;
  opacity:0;transition:opacity var(--t);
}
.accordion .accordion-button:not(.collapsed)::before{opacity:1;}
.accordion .accordion-button::after{
  width:16px;height:16px;background-size:16px 16px;flex-shrink:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M2 6l6 6 6-6' stroke='%2345F0CE' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  transition:transform var(--t);
}
.accordion .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--jade-glow);outline-offset:-4px;}
.accordion .accordion-body{
  padding:0 26px 24px 26px;color:rgba(220,235,231,.76);
  font-size:15px;line-height:1.92;
}
.accordion .accordion-body p{margin-bottom:12px;}
.accordion .accordion-body p:last-child{margin-bottom:0;}

/* ========== CTA ========== */
.cta-glass{
  border-radius:var(--r-glass);padding:48px;
  background:rgba(255,255,255,.055);
  border:1px solid rgba(140,220,205,.16);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset;
}
.cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:start;}
.cta-copy h2{color:#FFFFFF;font-size:32px;margin-bottom:16px;}
.cta-copy p{color:rgba(220,235,231,.72);font-size:15px;line-height:1.92;}
.cta-steps{margin-top:24px;display:grid;gap:14px;}
.cta-steps li{display:flex;gap:14px;align-items:flex-start;font-size:14px;color:rgba(234,246,243,.82);}
.cta-steps .step-num{
  font-family:var(--font-serif);color:var(--clay);font-weight:700;
  font-size:15px;flex-shrink:0;width:26px;line-height:1.8;
}
.form-card .form-label{
  font-size:13px;color:rgba(220,235,231,.66);margin-bottom:8px;display:block;
}
.form-card .form-control,.form-card .form-select{
  height:48px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.94);border:1px solid transparent;
  color:var(--ink-900);font-size:15px;box-shadow:none;
  transition:border-color var(--t),box-shadow var(--t);
}
.form-card .form-control::placeholder{color:#93A5AC;}
.form-card .form-control:focus,.form-card .form-select:focus{
  border-color:var(--jade);box-shadow:0 0 0 3px rgba(31,200,168,.22);background:#FFFFFF;
}
.form-card .mb-3{margin-bottom:18px !important;}
.form-note{font-size:13px;color:rgba(220,235,231,.55);margin:14px 0 0;line-height:1.8;}

.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);border:0;
  background:linear-gradient(135deg,var(--jade),var(--jade-glow));
  color:var(--ink-900);font-size:15px;font-weight:600;
  transition:transform var(--t),box-shadow var(--t),filter var(--t);
}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(69,240,206,.35),0 10px 40px rgba(31,200,168,.40);color:var(--ink-900);filter:brightness(1.06);}
.btn-main:active{transform:translateY(0);filter:brightness(.94);box-shadow:none;}
.btn-main:disabled{opacity:.45;box-shadow:none;transform:none;}

.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 22px;
  border-radius:var(--r-btn);background:transparent;
  border:1px solid rgba(31,200,168,.55);color:#EAF6F3;
  font-size:15px;font-weight:600;
  transition:border-color var(--t),background var(--t),transform var(--t),color var(--t);
}
.btn-ghost:hover{background:rgba(31,200,168,.10);border-color:var(--jade-glow);color:#FFFFFF;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}

.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--jade);
}
.btn-text:hover{color:var(--jade-glow);gap:10px;}

/* ========== 页脚 ========== */
.site-footer{background:var(--ink-foot);color:rgba(220,235,231,.72);padding-top:72px;}
.footer-top{padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-mark{color:var(--jade);display:inline-flex;}
.footer-brand .brand-text{font-family:var(--font-serif);font-size:20px;font-weight:700;color:#FFFFFF;}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(220,235,231,.6);margin:0;max-width:340px;}
.footer-title{
  font-family:var(--font-sans);font-size:14px;font-weight:600;
  color:var(--jade);letter-spacing:.06em;margin-bottom:18px;
}
.footer-list li{margin-bottom:12px;}
.footer-list a,.footer-list span{font-size:14px;color:rgba(220,235,231,.68);line-height:1.8;}
.footer-list a:hover{color:var(--jade-glow);}
.footer-bottom{border-top:1px solid rgba(140,220,205,.14);padding:22px 0;}
.footer-bottom__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.footer-bottom p{font-size:13px;color:rgba(220,235,231,.5);margin:0;}
.back-top{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;
  background:rgba(255,255,255,.06);border:1px solid rgba(140,220,205,.2);
  border-radius:var(--r-btn);color:#EAF6F3;font-size:13px;
  transition:background var(--t),border-color var(--t);
}
.back-top:hover{background:rgba(31,200,168,.14);border-color:rgba(31,200,168,.5);color:#FFFFFF;}

/* ========== 响应式 ========== */
@media (max-width:1199.98px){
  .search-box input{width:120px;}
  .page-hero h1{font-size:40px;}
  .proof-split{gap:36px;}
}
@media (max-width:991.98px){
  .container{padding-left:20px;padding-right:20px;}
  .section{padding:72px 0;}
  .section--tight{padding:60px 0;}
  .page-hero h1{font-size:32px;}
  .page-hero .container{padding-top:44px;padding-bottom:44px;}
  .section-head h2{font-size:26px;}
  .group-grid{grid-template-columns:1fr;}
  .proof-split{grid-template-columns:1fr;gap:28px;}
  .proof-text h2{font-size:24px;}
  .faq-split{grid-template-columns:1fr;gap:28px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .cta-glass{padding:32px 24px;}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:28px 20px;}
  .stat-item:nth-child(3){border-left:0;padding-left:0;}
  .stat-num{font-size:34px;}
  .cta-copy h2{font-size:26px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .page-hero{min-height:240px;}
  .page-hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .section-head{margin-bottom:32px;}
  .section-head h2{font-size:22px;}
  .group-panel{padding:24px 20px 16px;}
  .group-panel h3{font-size:19px;}
  .point-list li{gap:12px;padding:16px 0;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .stat-item{border-left:0;padding-left:0;}
  .stat-num{font-size:30px;}
  .btn-main,.btn-ghost{width:100%;}
  .mini-facts{gap:24px;}
  .accordion .accordion-button{font-size:15px;padding:18px 18px 18px 22px;}
  .accordion .accordion-body{padding:0 20px 20px 22px;font-size:14.5px;}
  .footer-desc{max-width:100%;}
  .footer-bottom__inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .page-hero h1{font-size:26px;}
  .stat-row{grid-template-columns:1fr;}
  .cta-glass{padding:26px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto !important;}
}