/* roulang page: index */
:root{
  --ink:#0B0F0C;
  --pitch:#1E3A2B;
  --lime:#D8FF3E;
  --lime-bright:#E6FF75;
  --orange:#FF6B35;
  --paper:#F4F5EF;
  --paper-2:#E4E8DD;
  --text:#141A15;
  --muted:#5E6B60;
  --line-light:#D9DFD3;
  --line-dark:#26332A;
  --dark-text:#EDF3E8;
  --dark-muted:#9AA79B;
  --card-dark:#151C16;
  --r-xl:24px;
  --r-lg:18px;
  --r-md:12px;
  --r-sm:10px;
  --shadow-dark:0 18px 50px rgba(0,0,0,.35);
  --shadow-light:0 12px 32px rgba(17,26,19,.08);
  --shadow-lift:0 22px 60px rgba(17,26,19,.16);
  --container:1240px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;color:var(--text);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease);}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.2;letter-spacing:-.01em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px;border-radius:6px;}
.wrap{max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-family:"Bahnschrift","DIN Alternate","Arial Narrow",Arial,sans-serif;font-variant-numeric:tabular-nums;}
.section{padding:96px 0;}
.section-sm{padding:72px 0;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.02em;color:var(--pitch);
  background:rgba(216,255,62,.35);border:1px solid rgba(30,58,43,.14);padding:5px 12px;border-radius:999px;}
.eyebrow.on-dark{background:rgba(216,255,62,.12);border-color:rgba(216,255,62,.35);color:var(--lime);}
.sec-head{max-width:760px;margin-bottom:48px;}
.sec-head h2{font-size:38px;font-weight:800;margin-bottom:14px;}
.sec-head p{color:var(--muted);font-size:16px;line-height:1.8;margin:0;}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px;}
.head-row .sec-head{margin-bottom:0;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-size:15px;font-weight:700;
  border-radius:var(--r-md);padding:0 24px;min-height:50px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);}
.btn svg{flex:0 0 auto;}
.btn-lime{background:var(--lime);color:var(--ink);box-shadow:0 8px 24px rgba(216,255,62,.22);}
.btn-lime:hover{background:var(--lime-bright);color:var(--ink);transform:translateY(-2px);box-shadow:0 14px 30px rgba(216,255,62,.34);}
.btn-lime:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:#3A4A3E;color:var(--dark-text);}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(216,255,62,.06);}
.btn-ghost-dark{background:transparent;border-color:#B9C3B4;color:var(--text);}
.btn-ghost-dark:hover{border-color:var(--pitch);color:var(--pitch);background:rgba(30,58,43,.05);}
.btn-sm{min-height:44px;font-size:14px;padding:0 18px;}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--pitch);
  border-bottom:1px solid rgba(30,58,43,.35);padding-bottom:3px;}
.link-more:hover{color:#3F6B1E;border-color:#3F6B1E;}

/* 顶部信息条 */
.topbar{background:var(--ink);color:var(--dark-muted);font-size:13px;}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;min-height:38px;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:10px;}
.dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(216,255,62,.18);flex:0 0 auto;}
.topbar a{color:var(--dark-text);font-weight:700;}
.topbar a:hover{color:var(--lime);}

/* 导航 */
.main-nav{position:sticky;top:0;z-index:1030;background:var(--ink);border-bottom:1px solid var(--line-dark);}
.nav-inner{display:flex;align-items:center;gap:32px;min-height:76px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--lime);display:flex;align-items:center;justify-content:center;}
.brand-text{font-size:19px;font-weight:800;color:#fff;letter-spacing:.01em;white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--lime);}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav-links a{position:relative;display:inline-block;font-size:15px;font-weight:500;color:#D5DED0;padding:6px 0;white-space:nowrap;}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);}
.nav-links a:hover{color:var(--lime);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--lime);}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.nav-tel{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:#D5DED0;}
.nav-tel:hover{color:var(--lime);}
.nav-toggle{width:46px;height:46px;border-radius:var(--r-sm);border:1px solid var(--line-dark);background:rgba(255,255,255,.04);
  display:none;align-items:center;justify-content:center;color:var(--dark-text);}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime);}
.offcanvas.mobile-drawer{background:var(--ink);color:var(--dark-text);width:86%;}
.mobile-drawer .offcanvas-header{border-bottom:1px solid var(--line-dark);padding:20px 22px;}
.mobile-drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.8;}
.mobile-drawer .offcanvas-body{padding:22px;display:flex;flex-direction:column;gap:8px;}
.mobile-drawer .m-link{display:block;font-size:18px;font-weight:600;color:#D5DED0;padding:14px 4px;border-bottom:1px solid rgba(38,51,42,.7);}
.mobile-drawer .m-link:hover,.mobile-drawer .m-link.is-active{color:var(--lime);}
.mobile-drawer .m-foot{margin-top:24px;display:grid;gap:14px;}
.mobile-drawer .m-tel{font-size:15px;color:var(--dark-muted);}
.mobile-drawer .m-tel strong{display:block;font-size:21px;color:var(--dark-text);}

/* Hero */
.hero{position:relative;background:var(--ink);color:var(--dark-text);overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(216,255,62,.07) 0 1px,transparent 1px 90px);
  pointer-events:none;}
.hero-inner{position:relative;display:grid;grid-template-columns:58% 42%;gap:48px;align-items:center;
  min-height:660px;padding:80px 0;max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px;}
.hero-copy{max-width:640px;}
.hero h1{font-size:56px;font-weight:900;line-height:1.08;letter-spacing:-.02em;margin:22px 0 20px;color:#fff;}
.hero h1 span{color:var(--lime);}
.hero-sub{font-size:17px;line-height:1.8;color:var(--dark-muted);margin-bottom:32px;max-width:520px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:34px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#C7D2C2;
  border:1px solid var(--line-dark);background:rgba(255,255,255,.03);padding:7px 14px;border-radius:999px;}
.hero-tags span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);}
.hero-media{position:relative;}
.hero-media .pic{border-radius:20px;overflow:hidden;border:1px solid var(--line-dark);box-shadow:var(--shadow-dark);}
.hero-media .pic img{width:100%;height:520px;object-fit:cover;}
.hero-media .pic::after{content:"";position:absolute;inset:0;border-radius:20px;
  background:linear-gradient(90deg,rgba(11,15,12,.72) 0%,rgba(11,15,12,.18) 48%,rgba(11,15,12,.05) 100%);}
.scorecard{position:absolute;left:-28px;bottom:28px;z-index:2;background:var(--card-dark);border:1px solid var(--line-dark);
  border-radius:var(--r-md);padding:16px 20px;display:flex;gap:26px;box-shadow:var(--shadow-dark);}
.scorecard .cell{min-width:88px;}
.scorecard .cell b{display:block;font-size:28px;font-weight:800;color:var(--lime);line-height:1.1;font-family:"Bahnschrift","DIN Alternate",Arial,sans-serif;font-variant-numeric:tabular-nums;}
.scorecard .cell small{display:block;font-size:12px;color:var(--dark-muted);margin-top:4px;}

/* 数据条 */
.stats{background:var(--paper-2);border-bottom:1px solid var(--line-light);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:34px 24px;border-right:1px solid #CFD6C8;text-align:left;}
.stat:last-child{border-right:0;}
.stat b{display:block;font-size:32px;font-weight:800;color:var(--pitch);line-height:1.1;font-family:"Bahnschrift","DIN Alternate",Arial,sans-serif;font-variant-numeric:tabular-nums;}
.stat span{display:block;font-size:13px;color:var(--muted);margin-top:8px;}

/* 阶梯 */
.ladder{background:var(--paper);}
.ladder-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:end;}
.step{position:relative;background:#fff;border:1px solid var(--line-light);border-radius:var(--r-lg);padding:32px 28px;
  box-shadow:var(--shadow-light);overflow:hidden;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:#C4CDBC;}
.step .wm{position:absolute;right:14px;top:6px;font-size:86px;font-weight:900;color:var(--pitch);opacity:.08;line-height:1;font-family:"Bahnschrift","DIN Alternate",Arial,sans-serif;}
.step h3{font-size:22px;margin-bottom:8px;position:relative;z-index:1;}
.step .fit{font-size:13px;color:var(--muted);margin-bottom:20px;position:relative;z-index:1;}
.step ul{margin-bottom:24px;position:relative;z-index:1;}
.step ul li{position:relative;padding-left:24px;font-size:15px;color:#2C352D;margin-bottom:12px;line-height:1.65;}
.step ul li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;background:var(--pitch);}
.step.tall{padding-top:44px;padding-bottom:40px;}
.step.tall ul li::before{background:#7A8B7C;}
.step.recommend{background:var(--card-dark);border-color:var(--lime);color:var(--dark-text);padding-top:52px;padding-bottom:48px;box-shadow:var(--shadow-dark);}
.step.recommend h3{color:#fff;}
.step.recommend .fit{color:var(--dark-muted);}
.step.recommend ul li{color:#D5DED0;}
.step.recommend ul li::before{background:var(--lime);}
.step.recommend .wm{color:var(--lime);opacity:.12;}
.badge-lime{display:inline-flex;align-items:center;gap:6px;background:var(--lime);color:var(--ink);font-size:12px;font-weight:800;
  padding:4px 10px;border-radius:999px;}
.step.recommend .badge-lime{position:absolute;right:24px;top:22px;}
.step .step-cta{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--pitch);
  border-bottom:1px solid rgba(30,58,43,.3);padding-bottom:4px;}
.step .step-cta:hover{color:#3F6B1E;border-color:#3F6B1E;}
.step.recommend .step-cta{color:var(--lime);border-color:rgba(216,255,62,.45);}
.step.recommend .step-cta:hover{color:var(--lime-bright);border-color:var(--lime-bright);}

/* 对比表 */
.compare{background:#fff;border-top:1px solid var(--line-light);border-bottom:1px solid var(--line-light);}
.table-scroll{overflow-x:auto;border-radius:var(--r-lg);border:1px solid var(--line-light);background:#fff;}
.cmp{width:100%;min-width:820px;border-collapse:separate;border-spacing:0;}
.cmp th,.cmp td{padding:0 20px;height:54px;font-size:15px;text-align:center;vertical-align:middle;border-bottom:1px solid #E7ECE1;}
.cmp thead th{background:var(--pitch);color:#fff;font-weight:700;height:auto;padding:20px;vertical-align:top;text-align:center;}
.cmp thead th:first-child{text-align:left;background:var(--ink);}
.cmp thead th .plan{display:block;font-size:19px;font-weight:800;color:#fff;margin-bottom:6px;}
.cmp thead th .for{display:block;font-size:12px;color:#B9C7BA;font-weight:400;line-height:1.6;margin-bottom:14px;}
.cmp thead th .price{display:block;font-size:14px;color:var(--lime);font-weight:700;margin-bottom:14px;}
.cmp thead th .btn{min-height:40px;font-size:13px;padding:0 16px;width:100%;}
.cmp tbody th{text-align:left;font-weight:600;color:var(--text);background:#FBFCF8;position:sticky;left:0;z-index:2;min-width:170px;
  border-right:1px solid #E7ECE1;}
.cmp tbody tr:nth-child(even) td{background:#F7F9F3;}
.cmp tbody tr:hover td{background:#F1F7E4;}
.cmp .col-best{background:#F3FFD6 !important;border-top:2px solid var(--lime);}
.cmp thead th.col-best{background:#2A4534;border-top:3px solid var(--lime);}
.cmp .yes{display:inline-flex;color:#3F6B1E;}
.cmp .no{color:#A9B3A5;}
.scroll-hint{display:none;font-size:12px;color:var(--muted);margin-top:12px;text-align:center;}

/* 最新信息 */
.news{background:var(--paper);}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.news-card{background:#fff;border:1px solid var(--line-light);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-light);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  display:flex;flex-direction:column;}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:#C4CDBC;}
.news-card .thumb{overflow:hidden;aspect-ratio:16/9;background:var(--paper-2);}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.news-card:hover .thumb img{transform:scale(1.04);}
.news-card .body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-card.feature{grid-column:span 2;flex-direction:row;}
.news-card.feature .thumb{flex:0 0 46%;aspect-ratio:auto;min-height:300px;}
.news-card.feature .body{padding:32px;justify-content:center;}
.news-card.feature h3{font-size:26px;}
.news-card h3{font-size:19px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card h3 a:hover{color:var(--pitch);}
.news-card p{font-size:14px;color:var(--muted);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.meta-row{display:flex;align-items:center;gap:14px;font-size:12px;color:var(--muted);margin-top:auto;}
.chip{display:inline-flex;align-items:center;background:var(--lime);color:var(--ink);font-size:12px;font-weight:800;padding:4px 10px;border-radius:999px;}
.chip-ghost{display:inline-flex;align-items:center;border:1px solid var(--line-light);color:var(--muted);font-size:12px;padding:3px 10px;border-radius:999px;}
.empty-state{border:1px dashed #C3CCBC;border-radius:var(--r-lg);padding:56px 24px;text-align:center;background:#FBFCF8;grid-column:span 2;}
.empty-state svg{margin:0 auto 16px;color:#9AA79B;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:16px;}

/* 限时带 */
.band{background:var(--ink);color:var(--dark-text);position:relative;overflow:hidden;}
.band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(216,255,62,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;}
.band::after{content:"";position:absolute;left:-10%;right:-10%;bottom:-40%;height:70%;
  background:repeating-linear-gradient(100deg,rgba(216,255,62,.07) 0 2px,transparent 2px 110px);pointer-events:none;}
.band-inner{position:relative;display:grid;grid-template-columns:60% 40%;gap:48px;align-items:center;padding:88px 0;z-index:1;}
.band h2{font-size:36px;font-weight:800;color:#fff;margin:18px 0 14px;}
.band p{color:var(--dark-muted);font-size:16px;max-width:520px;margin-bottom:28px;}
.band small.note{display:block;font-size:12px;color:#7E8C80;margin-top:22px;}
.slots{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.slot{background:var(--card-dark);border:1px solid var(--line-dark);border-radius:var(--r-md);padding:20px;transition:border-color .22s var(--ease),transform .22s var(--ease);}
.slot:hover{border-color:rgba(216,255,62,.55);transform:translateY(-2px);}
.slot b{display:block;font-size:26px;color:var(--lime);line-height:1.1;font-family:"Bahnschrift","DIN Alternate",Arial,sans-serif;}
.slot span{display:block;font-size:12px;color:var(--dark-muted);margin-top:8px;line-height:1.6;}
.slot a{display:inline-block;font-size:13px;font-weight:700;color:#D5DED0;margin-top:10px;}
.slot a:hover{color:var(--lime);}

/* 表单 */
.consult{background:var(--paper);}
.consult-grid{display:grid;grid-template-columns:42% 58%;gap:32px;align-items:stretch;}
.consult-panel{background:var(--pitch);color:var(--dark-text);border-radius:var(--r-xl);padding:40px 34px;display:flex;flex-direction:column;
  gap:22px;position:relative;overflow:hidden;}
.consult-panel::after{content:"";position:absolute;right:-40px;bottom:-60px;width:220px;height:220px;border-radius:50%;
  border:1px solid rgba(216,255,62,.18);}
.consult-panel h2{font-size:30px;color:#fff;margin-bottom:6px;}
.consult-panel .point{display:flex;gap:14px;align-items:flex-start;position:relative;z-index:1;}
.consult-panel .point .ico{width:36px;height:36px;border-radius:10px;background:rgba(216,255,62,.14);display:flex;align-items:center;justify-content:center;flex:0 0 auto;color:var(--lime);}
.consult-panel .point b{display:block;font-size:15px;color:#fff;margin-bottom:2px;}
.consult-panel .point span{font-size:13px;color:#B9C7BA;line-height:1.7;}
.consult-panel .telbox{margin-top:auto;border-top:1px solid rgba(216,255,62,.18);padding-top:20px;position:relative;z-index:1;}
.consult-panel .telbox small{display:block;font-size:12px;color:#9AA79B;}
.consult-panel .telbox strong{display:block;font-size:26px;color:var(--lime);font-family:"Bahnschrift","DIN Alternate",Arial,sans-serif;margin:4px 0;}
.form-card{background:#fff;border:1px solid var(--line-light);border-radius:var(--r-xl);padding:32px;box-shadow:var(--shadow-light);}
.form-card h3{font-size:21px;margin-bottom:6px;}
.form-card .hint{font-size:13px;color:var(--muted);margin-bottom:24px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:600;color:#2C352D;margin-bottom:7px;}
.field label .req{color:var(--orange);}
.field .form-control,.field .form-select{height:48px;border-radius:var(--r-sm);border:1px solid #DDE3D6;background:#F7F9F3;
  color:var(--text);font-size:15px;padding:0 14px;box-shadow:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);}
.field textarea.form-control{height:auto;min-height:110px;padding:12px 14px;line-height:1.7;}
.field .form-control:focus,.field .form-select:focus{border-color:var(--lime);background:#fff;box-shadow:0 0 0 4px rgba(216,255,62,.28);}
.field .form-control::placeholder{color:#9FA99A;}
.was-validated .form-control:invalid,.was-validated .form-select:invalid{border-color:var(--orange);background:#FFF7F3;}
.was-validated .form-control:valid,.was-validated .form-select:valid{border-color:#A9C46A;}
.invalid-feedback{font-size:12px;color:#C24A18;margin-top:6px;}
.form-check-input{width:18px;height:18px;margin-top:3px;border:1px solid #C3CCBC;background:#F7F9F3;border-radius:5px;}
.form-check-input:checked{background:var(--pitch);border-color:var(--pitch);}
.form-check-input:focus{box-shadow:0 0 0 4px rgba(216,255,62,.32);border-color:var(--lime);}
.form-check-label{font-size:13px;color:var(--muted);line-height:1.7;}
.form-ok{background:#F3FFD6;border:1px solid #C9E27A;color:#3E5413;border-radius:var(--r-sm);padding:12px 16px;font-size:14px;margin-top:16px;}

/* FAQ */
.faq{background:#fff;border-top:1px solid var(--line-light);}
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{border:0;border-bottom:1px solid var(--line-light);background:transparent;}
.accordion-item:first-of-type{border-top:1px solid var(--line-light);}
.accordion-button{background:transparent;box-shadow:none;font-size:18px;font-weight:700;color:var(--text);padding:24px 48px 24px 0;line-height:1.5;border-radius:0;}
.accordion-button:not(.collapsed){background:transparent;color:var(--pitch);box-shadow:none;}
.accordion-button::after{display:none;}
.accordion-button .plus{position:absolute;right:0;top:50%;transform:translateY(-50%);width:20px;height:20px;transition:transform .24s var(--ease);color:var(--pitch);}
.accordion-button:not(.collapsed) .plus{transform:translateY(-50%) rotate(45deg);color:#3F6B1E;}
.accordion-button:focus{box-shadow:none;outline:none;}
.accordion-button:focus-visible{outline:3px solid var(--lime);outline-offset:4px;}
.accordion-body{padding:0 0 26px;font-size:15px;line-height:1.85;color:#3C463D;border-left:3px solid var(--lime);padding-left:18px;margin-left:2px;}

/* 页脚 */
.site-footer{background:var(--ink);color:var(--dark-muted);padding-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:56px;}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.foot-brand .brand-text{font-size:19px;}
.site-footer p.desc{font-size:14px;line-height:1.8;color:var(--dark-muted);max-width:300px;margin-bottom:0;}
.site-footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.site-footer li{margin-bottom:12px;}
.site-footer li a{font-size:14px;color:var(--dark-muted);}
.site-footer li a:hover{color:var(--lime);}
.foot-contact li{font-size:14px;color:var(--dark-muted);margin-bottom:14px;}
.foot-contact li b{display:block;font-size:12px;color:#6F7D71;font-weight:600;margin-bottom:2px;}
.foot-contact li span{color:var(--dark-text);font-size:15px;}
.footer-bottom{border-top:1px solid var(--line-dark);padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12px;color:#6F7D71;}
.footer-bottom a{color:#8B998D;}
.footer-bottom a:hover{color:var(--lime);}

/* 响应式 */
@media (max-width:1199px){
  .hero h1{font-size:48px;}
  .hero-media .pic img{height:460px;}
  .sec-head h2{font-size:34px;}
}
@media (max-width:991px){
  .nav-links,.nav-tel,.nav-cta{display:none !important;}
  .nav-toggle{display:flex;}
  .nav-inner{min-height:66px;gap:16px;}
  .hero-inner{grid-template-columns:1fr;min-height:auto;padding:56px 24px 64px;gap:36px;}
  .hero-copy{max-width:none;}
  .hero h1{font-size:40px;}
  .hero-media .pic img{height:360px;}
  .scorecard{left:auto;right:16px;bottom:-18px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat{border-right:0;border-bottom:1px solid #CFD6C8;padding:26px 20px;}
  .stat:nth-child(odd){border-right:1px solid #CFD6C8;}
  .stat:nth-last-child(-n+2){border-bottom:0;}
  .ladder-grid{grid-template-columns:1fr;gap:20px;align-items:stretch;}
  .step{display:grid;grid-template-columns:1fr;padding:26px 22px;border-left:3px solid var(--pitch);}
  .step.recommend{border-left:3px solid var(--lime);}
  .step .wm{font-size:64px;}
  .news-grid{grid-template-columns:1fr;}
  .news-card.feature{grid-column:span 1;flex-direction:column;}
  .news-card.feature .thumb{flex:none;aspect-ratio:16/9;min-height:0;}
  .news-card.feature .body{padding:24px;}
  .news-card.feature h3{font-size:21px;}
  .empty-state{grid-column:span 1;}
  .band-inner{grid-template-columns:1fr;gap:36px;padding:64px 0;}
  .band h2{font-size:30px;}
  .consult-grid{grid-template-columns:1fr;}
  .consult-panel{padding:32px 26px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .section{padding:72px 0;}
  .section-sm{padding:56px 0;}
}
@media (max-width:767px){
  .wrap{padding:0 16px;}
  .hero-inner{padding-left:16px;padding-right:16px;}
  .hero h1{font-size:34px;}
  .hero-sub{font-size:16px;}
  .hero-cta .btn{width:100%;}
  .hero-media .pic img{height:280px;}
  .scorecard{position:static;margin-top:16px;left:auto;right:auto;bottom:auto;width:100%;justify-content:space-between;}
  .sec-head h2{font-size:28px;}
  .sec-head{margin-bottom:32px;}
  .stat b{font-size:26px;}
  .cmp{min-width:760px;}
  .table-scroll{position:relative;}
  .scroll-hint{display:block;}
  .form-card{padding:24px 18px;}
  .consult-panel h2{font-size:26px;}
  .accordion-button{font-size:16px;padding:20px 40px 20px 0;}
  .accordion-body{font-size:14.5px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:40px;}
  .footer-bottom{flex-direction:column;}
  .slots{grid-template-columns:1fr 1fr;}
  .slot b{font-size:22px;}
  .section{padding:48px 0;}
  .section-sm{padding:44px 0;}
  .band h2{font-size:26px;}
  .ladder-grid .step{padding:24px 18px;}
}
@media (max-width:420px){
  .slots{grid-template-columns:1fr;}
  .hero h1{font-size:30px;}
  .brand-text{font-size:17px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --ink:#0B0F0C;
  --ink-2:#151C16;
  --green:#1E3A2B;
  --lime:#D8FF3E;
  --lime-bright:#E6FF75;
  --orange:#FF6B35;
  --paper:#F4F5EF;
  --paper-2:#E4E8DD;
  --text:#141A15;
  --muted:#5E6B60;
  --line-dark:#26332A;
  --line-light:#D9DFD3;
  --dark-text:#EDF3E8;
  --dark-muted:#9AA79B;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-xs:10px;
  --shadow-light:0 12px 32px rgba(17,26,19,.08);
  --shadow-light-hover:0 22px 60px rgba(17,26,19,.14);
  --shadow-dark:0 18px 50px rgba(0,0,0,.35);
  --ease:cubic-bezier(.2,.8,.2,1);
  --t:220ms;
  --font-cn:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Bahnschrift","DIN Alternate","Arial Narrow",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--t) var(--ease)}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px;border-radius:4px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:#070A07;border-bottom:1px solid #17211a;color:var(--dark-muted);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:36px}
.topbar-note{display:flex;align-items:center;gap:8px;letter-spacing:.01em}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(216,255,62,.16);flex:none}
.topbar-tel{display:inline-flex;align-items:center;gap:6px;color:var(--dark-text);font-family:var(--font-num);letter-spacing:.04em}
.topbar-tel:hover{color:var(--lime)}

/* ---------- 主导航 ---------- */
.main-nav{position:sticky;top:0;z-index:1030;background:var(--ink);border-bottom:1px solid var(--line-dark)}
.nav-inner{display:flex;align-items:center;gap:32px;height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--lime);display:inline-flex;align-items:center;justify-content:center;flex:none}
.brand-text{font-size:19px;font-weight:800;color:#fff;letter-spacing:-.01em}
.brand-text em{font-style:normal;color:var(--lime)}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav-links a{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--dark-text)}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform var(--t) var(--ease)}
.nav-links a:hover{color:var(--lime)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--lime)}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.nav-tel{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-family:var(--font-num);letter-spacing:.03em;color:var(--dark-text);padding:8px 12px;border:1px solid var(--line-dark);border-radius:999px}
.nav-tel:hover{color:var(--lime);border-color:#3A4A3E}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--r-sm);font-weight:700;font-size:15px;line-height:1;padding:0 22px;height:48px;transition:transform var(--t) var(--ease),background var(--t) var(--ease),box-shadow var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease)}
.btn-lime{background:var(--lime);color:var(--ink);box-shadow:0 8px 24px rgba(216,255,62,.16)}
.btn-lime:hover{background:var(--lime-bright);color:var(--ink);transform:translateY(-2px);box-shadow:0 14px 32px rgba(216,255,62,.28)}
.btn-lime:active{transform:translateY(0)}
.btn-line{background:transparent;border-color:#3A4A3E;color:var(--dark-text)}
.btn-line:hover{color:var(--lime);border-color:var(--lime);background:rgba(216,255,62,.06);transform:translateY(-2px)}
.btn-dark-line{background:transparent;border-color:#B9C3B1;color:var(--text)}
.btn-dark-line:hover{border-color:var(--text);background:#E9ECE2;transform:translateY(-2px)}
.nav-cta{height:48px}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--r-xs);background:transparent;border:1px solid var(--line-dark);color:var(--dark-text)}
.nav-toggle:hover{color:var(--lime);border-color:var(--lime)}
.nav-drawer{background:var(--ink);color:var(--dark-text);width:86%!important;border-left:1px solid var(--line-dark)}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--line-dark);padding:18px 20px}
.nav-drawer .offcanvas-title{font-size:18px;font-weight:800;color:#fff}
.nav-drawer .offcanvas-title em{font-style:normal;color:var(--lime)}
.nav-drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.8}
.nav-drawer .offcanvas-body{padding:20px;display:flex;flex-direction:column;gap:18px}
.drawer-links{display:flex;flex-direction:column;gap:2px}
.drawer-links a{display:block;font-size:18px;font-weight:600;padding:14px 4px;border-bottom:1px solid rgba(38,51,42,.9);color:var(--dark-text)}
.drawer-links a:hover,.drawer-links a.is-active{color:var(--lime)}
.drawer-tel{background:var(--ink-2);border:1px solid var(--line-dark);border-radius:var(--r-md);padding:16px 18px}
.drawer-tel b{display:block;font-size:12px;color:var(--dark-muted);font-weight:600;letter-spacing:.06em}
.drawer-tel span{font-family:var(--font-num);font-size:22px;color:var(--lime);letter-spacing:.04em}

/* ---------- 面包屑 ---------- */
.crumb{background:var(--paper-2);border-bottom:1px solid var(--line-light)}
.crumb-inner{display:flex;align-items:center;gap:10px;height:52px;font-size:13px;color:var(--muted);overflow:hidden}
.crumb-inner a{color:var(--muted)}
.crumb-inner a:hover{color:#3F6B1E}
.crumb-sep{color:#A9B4A4}
.crumb-now{color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:56vw}

/* ---------- 文章头部 ---------- */
.article-head{padding:64px 0 0}
.article-head-inner{max-width:860px;margin:0 auto;padding:0 24px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;letter-spacing:.04em;padding:4px 12px;border-radius:999px;line-height:1.6}
.badge-lime{background:var(--lime);color:var(--ink)}
.badge-ghost{background:transparent;border:1px solid var(--line-light);color:var(--muted)}
.article-head h1{font-size:clamp(28px,4vw,42px);font-weight:900;line-height:1.2;letter-spacing:-.02em;margin:18px 0 20px;word-break:break-word}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:var(--muted);padding-bottom:28px;border-bottom:1px solid var(--line-light)}
.article-meta .m-item{display:inline-flex;align-items:center;gap:6px}
.article-meta .m-num{font-family:var(--font-num);letter-spacing:.04em}

/* ---------- 封面 ---------- */
.cover{max-width:1000px;margin:36px auto 0;padding:0 24px}
.cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-lg);background:var(--paper-2)}
.cover figcaption{margin-top:12px;font-size:12px;color:var(--muted);text-align:center}

/* ---------- 正文布局 ---------- */
.article-main{padding:56px 0 88px}
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:64px;justify-content:center;align-items:start}
.article-body{font-size:17.5px;line-height:1.9;color:#26312A;word-break:break-word}
.article-body p{margin:0 0 1.2em}
.article-body h2{font-size:clamp(23px,2.6vw,28px);font-weight:800;line-height:1.35;color:var(--text);margin:2.4em 0 .8em;padding-left:14px;border-left:4px solid var(--lime);scroll-margin-top:110px}
.article-body h3{font-size:21px;font-weight:700;line-height:1.45;color:var(--text);margin:2em 0 .6em;scroll-margin-top:110px}
.article-body h2:first-child,.article-body h3:first-child{margin-top:0}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.55em}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.78em;width:8px;height:8px;background:var(--lime);border-radius:2px}
.article-body ol{counter-reset:artnum}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:.55em;counter-increment:artnum}
.article-body ol li::before{content:counter(artnum);position:absolute;left:0;top:.22em;width:20px;height:20px;border-radius:6px;background:var(--paper-2);color:#3F6B1E;font-family:var(--font-num);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
.article-body blockquote{margin:1.7em 0;padding:20px 24px;background:var(--paper-2);border-left:4px solid var(--lime);border-radius:0 12px 12px 0;color:#33402F;font-size:16.5px}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:#3F6B1E;text-decoration:underline;text-underline-offset:4px}
.article-body a:hover{color:#28470F}
.article-body img{border-radius:12px;margin:1.5em 0}
.article-body figure{margin:1.5em 0}
.article-body figcaption{font-size:12px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th{background:var(--ink);color:var(--dark-text);text-align:left;padding:13px 16px;font-weight:600}
.article-body td{padding:13px 16px;border-bottom:1px solid var(--line-light)}
.article-body tbody tr:nth-child(even){background:#FAFBF5}
.article-body hr{border:0;border-top:1px solid var(--line-light);margin:2.2em 0}
.article-body strong{color:var(--text);font-weight:700}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px}
.toc-card{background:#fff;border:1px solid var(--line-light);border-radius:var(--r-md);padding:22px 20px}
.toc-card h3{font-size:14px;font-weight:800;letter-spacing:.04em;color:var(--muted);margin-bottom:14px}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow:auto}
.toc-list a{display:block;font-size:14px;line-height:1.5;color:#44523F;padding:7px 0 7px 12px;border-left:2px solid transparent}
.toc-list a:hover{color:#3F6B1E;border-left-color:#B7C4A9}
.toc-list a.is-current{color:var(--text);font-weight:700;border-left-color:var(--lime)}
.toc-item.toc-l3 a{padding-left:26px;font-size:13px;color:#6A776A}
.side-cta{background:var(--ink);border:1px solid var(--line-dark);border-radius:var(--r-md);padding:24px 22px;box-shadow:var(--shadow-dark)}
.side-cta h3{color:#fff;font-size:19px;font-weight:800;line-height:1.4;margin-bottom:10px}
.side-cta p{color:var(--dark-muted);font-size:13.5px;line-height:1.7;margin-bottom:18px}
.side-cta .btn{width:100%}
.side-fact{display:flex;flex-direction:column;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line-dark)}
.side-fact span{display:flex;justify-content:space-between;font-size:12.5px;color:var(--dark-muted)}
.side-fact b{color:var(--dark-text);font-weight:600}
.toc-mobile{display:none;margin-bottom:28px;border:1px solid var(--line-light);border-radius:var(--r-md);background:#fff;overflow:hidden}
.toc-mobile-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:16px 18px;background:#fff;border:0;font-size:15px;font-weight:700;color:var(--text);text-align:left}
.toc-mobile-btn svg{transition:transform var(--t) var(--ease)}
.toc-mobile-btn[aria-expanded="true"] svg{transform:rotate(180deg)}
.toc-mobile-body{padding:0 18px 16px}
.toc-mobile-body .toc-list{max-height:none}

/* ---------- 文末 ---------- */
.article-end{margin-top:44px;padding-top:28px;border-top:1px solid var(--line-light);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.empty-box{border:1px dashed #C6CFBD;border-radius:var(--r-md);padding:44px 24px;text-align:center;background:#FAFBF5}
.empty-box svg{color:#A9B4A4;margin-bottom:14px}
.empty-box h2{font-size:20px;font-weight:800;margin-bottom:8px}
.empty-box p{color:var(--muted);font-size:14px;margin-bottom:20px}

/* ---------- 相关推荐 ---------- */
.related{padding:80px 0;background:var(--paper-2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:900;line-height:1.2}
.section-head p{color:var(--muted);font-size:14px;margin-top:8px}
.rel-list{display:flex;flex-direction:column;gap:18px}
.rel-card{display:grid;grid-template-columns:190px minmax(0,1fr);gap:24px;align-items:center;background:#fff;border:1px solid var(--line-light);border-radius:var(--r-md);padding:18px;transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease)}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-light-hover);border-color:#C3CDB9}
.rel-thumb{overflow:hidden;border-radius:14px}
.rel-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 600ms var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body h3{font-size:18px;font-weight:700;line-height:1.5;margin:10px 0 8px}
.rel-card:hover .rel-body h3{color:#3F6B1E}
.rel-body p{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-date{font-family:var(--font-num);font-size:12.5px;color:#8B968A;letter-spacing:.04em;margin-top:12px;display:block}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--ink);position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:
  repeating-linear-gradient(115deg,rgba(216,255,62,.06) 0 2px,transparent 2px 46px);pointer-events:none}
.cta-inner{position:relative;display:grid;grid-template-columns:1.35fr .65fr;gap:48px;align-items:center;padding:72px 0}
.cta-inner h2{color:#fff;font-size:clamp(25px,3.2vw,36px);font-weight:900;line-height:1.25;margin-bottom:14px}
.cta-inner p{color:var(--dark-muted);font-size:15px;line-height:1.8;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-note{margin-top:14px;font-size:12px;color:#7F8C80;text-align:right;width:100%}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--dark-muted);padding:64px 0 0;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .brand-text{font-size:18px}
.site-footer .desc{font-size:13.5px;line-height:1.8;color:var(--dark-muted);max-width:260px}
.site-footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.03em}
.site-footer ul{display:flex;flex-direction:column;gap:10px}
.site-footer ul a{font-size:13.5px;color:var(--dark-muted)}
.site-footer ul a:hover{color:var(--lime)}
.foot-contact li{display:flex;flex-direction:column;gap:2px;font-size:13.5px}
.foot-contact b{font-size:12px;font-weight:600;color:#7F8C80;letter-spacing:.05em}
.foot-contact span{color:var(--dark-text)}
.footer-bottom{border-top:1px solid var(--line-dark);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:12.5px;color:#74806F}
.footer-bottom span{font-family:var(--font-num);letter-spacing:.03em}

@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .article-side{display:none}
  .toc-mobile{display:block}
}
@media (max-width:991.98px){
  .nav-links,.nav-tel{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{height:68px;gap:16px}
  .brand-text{font-size:17px}
  .article-head{padding:44px 0 0}
  .article-main{padding:40px 0 64px}
  .article-body{font-size:17px;line-height:1.85}
  .cta-inner{grid-template-columns:1fr;gap:28px;padding:56px 0}
  .cta-actions{justify-content:flex-start}
  .cta-note{text-align:left}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .related{padding:60px 0}
}
@media (max-width:767.98px){
  .topbar-inner{height:34px}
  .topbar-note{font-size:12px}
  .rel-card{grid-template-columns:1fr;gap:14px;padding:14px}
  .rel-thumb img{aspect-ratio:16/9}
  .article-meta{gap:8px 14px;font-size:12.5px}
  .cover{margin-top:26px}
  .article-body ul li::before{top:.72em}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px}
  .brand-text{font-size:16px}
  .nav-cta{height:44px;padding:0 16px;font-size:14px}
  .nav-cta svg{display:none}
  .crumb-now{max-width:46vw}
  .article-head h1{font-size:27px;line-height:1.28}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .article-body{font-size:16.5px}
  .article-body blockquote{padding:16px 18px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

/* roulang page: category1 */
:root{
  --ink:#0B0F0C;
  --green:#1E3A2B;
  --lime:#D8FF3E;
  --lime-hi:#E6FF75;
  --orange:#FF6B35;
  --paper:#F4F5EF;
  --paper-2:#E4E8DD;
  --text:#141A15;
  --muted:#5E6B60;
  --dark-text:#EDF3E8;
  --dark-muted:#9AA79B;
  --line:#D9DFD3;
  --line-dark:#26332A;
  --card-dark:#151C16;
  --radius-lg:24px;
  --radius:18px;
  --radius-sm:12px;
  --radius-xs:10px;
  --shadow-dark:0 18px 50px rgba(0,0,0,.35);
  --shadow-light:0 12px 32px rgba(17,26,19,.08);
  --ease:cubic-bezier(.2,.8,.2,1);
  --num-font:Bahnschrift,"DIN Alternate","Arial Narrow","HarmonyOS Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.2;letter-spacing:-.02em}
p{margin:0}
button{font:inherit}
::selection{background:var(--lime);color:var(--ink)}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-white{background:#fff}
.section-paper{background:var(--paper)}
.section-dark{background:var(--ink);color:var(--dark-text)}
.section-head{max-width:740px;margin-bottom:48px}
.section-head h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:14px}
.section-head p{font-size:16px;color:var(--muted);line-height:1.8}
.section-dark .section-head p{color:var(--dark-muted)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;color:#3F6B1E;letter-spacing:.04em;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px}
.eyebrow.on-dark{color:var(--lime)}
.eyebrow.on-dark::before{background:var(--lime)}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);border-bottom:1px solid var(--line-dark);color:var(--dark-muted);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.topbar-note{display:inline-flex;align-items:center;gap:8px}
.topbar-note .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(216,255,62,.16)}
.topbar-tel{color:var(--dark-text);font-variant-numeric:tabular-nums}
.topbar-tel:hover{color:var(--lime)}

/* ---------- 主导航 ---------- */
.main-nav{position:sticky;top:0;z-index:1030;background:var(--ink);border-bottom:1px solid var(--line-dark)}
.nav-inner{display:flex;align-items:center;gap:32px;height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:900;color:var(--dark-text);flex:0 0 auto}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--lime);display:grid;place-items:center;flex:0 0 auto}
.brand-text em{font-style:normal;color:var(--lime)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--dark-muted);transition:color .2s var(--ease)}
.nav-links a:hover{color:var(--lime)}
.nav-links a.is-active{color:var(--lime);font-weight:700}
.nav-links a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:var(--lime)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:18px}
.nav-tel{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--dark-muted);font-variant-numeric:tabular-nums;transition:color .2s var(--ease)}
.nav-tel:hover{color:var(--lime)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;
  border-radius:12px;border:1px solid #3A4A3E;background:rgba(216,255,62,.1);color:var(--lime);cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:rgba(216,255,62,.2);border-color:var(--lime)}
.nav-toggle:focus-visible{outline:3px solid rgba(216,255,62,.55);outline-offset:3px}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 24px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn:focus-visible{outline:3px solid rgba(216,255,62,.6);outline-offset:3px}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:var(--lime-hi);color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 28px rgba(216,255,62,.26)}
.btn-lime:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:#3A4A3E;color:var(--dark-text)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(216,255,62,.07);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-outline-dark{background:transparent;border-color:#B9C2B4;color:var(--text)}
.btn-outline-dark:hover{border-color:var(--text);background:rgba(20,26,21,.05);transform:translateY(-2px)}
.btn-lg{height:52px;padding:0 28px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;pointer-events:none}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;line-height:1.6;
}
.badge-lime{background:var(--lime);color:var(--ink)}
.badge-outline{border:1px solid #3A4A3E;color:var(--dark-text);background:rgba(255,255,255,.03)}
.badge-soft{background:rgba(216,255,62,.16);color:#2F4E15}
.tag{
  display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(216,255,62,.2);color:#2F4E15;margin-bottom:12px;
}

/* ---------- Hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--ink);color:var(--dark-text);padding:76px 0 88px}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(216,255,62,.07) 0 2px,transparent 2px 68px);
}
.cat-hero::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(30,58,43,.85),transparent 70%);pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
.hero-copy h1{font-size:clamp(34px,4.4vw,58px);font-weight:900;line-height:1.1;letter-spacing:-.03em;margin:18px 0 18px}
.hero-sub{font-size:17px;line-height:1.85;color:var(--dark-muted);max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:12px}
.hero-tags li{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  border:1px solid #3A4A3E;font-size:13px;color:var(--dark-text);background:rgba(255,255,255,.03);
}
.hero-tags li i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:8/6;object-fit:cover;border-radius:20px;box-shadow:var(--shadow-dark)}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:20px;
  background:linear-gradient(90deg,rgba(11,15,12,.62),rgba(11,15,12,.05) 70%);
  pointer-events:none;
}
.score-card{
  position:absolute;left:20px;bottom:-24px;z-index:3;
  display:flex;gap:8px;padding:14px;border-radius:16px;
  background:rgba(21,28,22,.94);border:1px solid var(--line-dark);box-shadow:var(--shadow-dark);
}
.score-item{padding:6px 16px;text-align:left}
.score-item + .score-item{border-left:1px solid var(--line-dark)}
.score-num{display:block;font-family:var(--num-font);font-size:26px;font-weight:900;color:var(--lime);line-height:1.1;font-variant-numeric:tabular-nums}
.score-label{display:block;font-size:12px;color:var(--dark-muted);margin-top:4px}

/* ---------- 数据条 ---------- */
.stat-strip{background:var(--paper-2);border-bottom:1px solid var(--line)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-cell{padding:34px 24px;border-left:1px solid var(--line)}
.stat-cell:first-child{border-left:0}
.stat-num{font-family:var(--num-font);font-size:32px;font-weight:900;line-height:1.15;letter-spacing:-.02em;color:var(--text);font-variant-numeric:tabular-nums}
.stat-num span{font-size:16px;font-weight:700;margin-left:4px}
.stat-label{font-size:13px;color:var(--muted);margin-top:6px}

/* ---------- 锚点布局 ---------- */
.anchor-layout{display:grid;grid-template-columns:248px 1fr;gap:56px;align-items:start}
.anchor-rail{position:sticky;top:104px}
.rail-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.06em}
.anchor-list{display:flex;flex-direction:column;margin:14px 0 26px;border-left:1px solid var(--line);overflow:visible}
.anchor-list a{
  display:block;padding:11px 0 11px 16px;margin-left:-1px;border-left:2px solid transparent;
  font-size:15px;color:var(--muted);min-height:44px;transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.anchor-list a:hover{color:var(--text);background:rgba(216,255,62,.12)}
.anchor-list a.is-current{
  color:var(--text);font-weight:700;border-left-color:var(--lime);
  background:linear-gradient(90deg,rgba(216,255,62,.2),rgba(216,255,62,0));
}
.rail-card{background:var(--ink);color:var(--dark-text);border-radius:var(--radius);padding:24px}
.rail-card h3{font-size:17px;margin-bottom:8px}
.rail-card p{font-size:13px;line-height:1.8;color:var(--dark-muted);margin-bottom:16px}
.rail-card .rail-tel{display:block;font-family:var(--num-font);font-size:20px;font-weight:900;color:var(--lime);margin-bottom:16px;font-variant-numeric:tabular-nums}
.anchor-main{display:flex;flex-direction:column;gap:56px}

/* ---------- 内容块 ---------- */
.block-item{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.block-item.reverse .block-media{order:2}
.block-media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-light)}
.block-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .6s var(--ease)}
.block-item:hover .block-media img{transform:scale(1.04)}
.block-body h3{font-size:22px;margin-bottom:10px}
.block-body p{font-size:15px;line-height:1.85;color:var(--muted);margin-bottom:14px}
.tick-list{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.tick-list li{position:relative;padding-left:20px;font-size:14px;color:var(--text);line-height:1.75}
.tick-list li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--lime);box-shadow:0 0 0 3px rgba(216,255,62,.22)}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:#3F6B1E;border-bottom:1px solid rgba(63,107,30,.35);padding-bottom:3px;min-height:32px;transition:color .2s var(--ease),border-color .2s var(--ease),gap .2s var(--ease)}
.link-arrow:hover{color:var(--green);border-color:var(--green);gap:12px}
.link-arrow:focus-visible{outline:2px solid #3F6B1E;outline-offset:3px}

/* ---------- 流程时间轴 ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:2%;right:2%;top:26px;height:2px;
  background-image:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 18px);
}
.timeline li{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.timeline li:hover{transform:translateY(-4px);box-shadow:var(--shadow-light);border-color:#C7D0BE}
.step-num{
  display:inline-grid;place-items:center;width:46px;height:46px;border-radius:12px;
  background:var(--lime);color:var(--ink);font-family:var(--num-font);font-size:17px;font-weight:900;
  margin-bottom:16px;line-height:1;
}
.timeline h3{font-size:18px;margin-bottom:8px}
.timeline p{font-size:14px;line-height:1.8;color:var(--muted)}

/* ---------- 深色保障区 ---------- */
.support-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center}
.support-copy h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:16px}
.support-copy p{font-size:16px;line-height:1.85;color:var(--dark-muted);margin-bottom:26px;max-width:460px}
.support-list{display:grid;grid-template-columns:1fr 1fr;gap:0 32px}
.support-list li{display:flex;align-items:flex-start;gap:12px;padding:14px 0;border-bottom:1px solid var(--line-dark);font-size:15px;color:var(--dark-text)}
.support-list li svg{flex:0 0 auto;margin-top:4px;color:var(--lime)}
.support-list li span small{display:block;font-size:12px;color:var(--dark-muted);margin-top:2px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-wrap .accordion{--bs-accordion-bg:transparent;--bs-accordion-border-width:0}
.faq-wrap .accordion-item{background:transparent;border:0;border-top:1px solid var(--line)}
.faq-wrap .accordion-item:last-child{border-bottom:1px solid var(--line)}
.faq-wrap .accordion-button{
  background:transparent;color:var(--text);font-size:18px;font-weight:700;line-height:1.5;
  padding:22px 8px 22px 0;box-shadow:none;border-radius:0;transition:color .2s var(--ease),padding .2s var(--ease);
}
.faq-wrap .accordion-button:hover{color:#3F6B1E}
.faq-wrap .accordion-button:not(.collapsed){color:var(--text);background:transparent;box-shadow:none;border-left:3px solid var(--lime);padding-left:16px}
.faq-wrap .accordion-button::after{
  flex:0 0 auto;width:24px;height:24px;background-image:none;content:"+";
  display:grid;place-items:center;font-size:24px;font-weight:400;line-height:1;color:var(--muted);
  transform:none;transition:transform .25s var(--ease),color .25s var(--ease);
}
.faq-wrap .accordion-button:not(.collapsed)::after{content:"+";transform:rotate(45deg);color:#3F6B1E}
.faq-wrap .accordion-button:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.faq-wrap .accordion-body{padding:0 40px 26px 8px;font-size:15px;line-height:1.85;color:var(--muted)}
.faq-wrap .accordion-button:not(.collapsed) + .accordion-collapse .accordion-body{padding-left:16px}

/* ---------- 咨询 CTA ---------- */
.cta-band{background:var(--ink);color:var(--dark-text);padding:88px 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(216,255,62,.06) 0 2px,transparent 2px 60px);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cta-copy h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:16px;line-height:1.25}
.cta-copy p{font-size:16px;line-height:1.85;color:var(--dark-muted);margin-bottom:22px;max-width:460px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px}
.cta-points li{font-size:13px;padding:7px 14px;border-radius:999px;border:1px solid #3A4A3E;color:var(--dark-text)}
.cta-form{background:var(--card-dark);border:1px solid var(--line-dark);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-dark)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:600;color:var(--dark-text)}
.field label .req{color:var(--orange);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--radius-xs);
  background:#0E1410;border:1px solid #2E3D31;color:var(--dark-text);font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field select{appearance:none;background-image:none}
.field input::placeholder,.field textarea::placeholder{color:#6C7A6D}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);background:#111A13;box-shadow:0 0 0 3px rgba(216,255,62,.18);
}
.form-hint{font-size:12px;color:var(--dark-muted);margin-top:12px;line-height:1.7}
.form-ok{
  margin-top:16px;padding:12px 16px;border-radius:var(--radius-xs);
  background:rgba(216,255,62,.14);border:1px solid rgba(216,255,62,.4);color:var(--lime);font-size:14px;
}
.form-ok[hidden]{display:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--dark-muted);padding:72px 0 0;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px;padding-bottom:56px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:900;color:var(--dark-text);margin-bottom:14px}
.site-footer .desc{font-size:14px;line-height:1.8;max-width:280px}
.site-footer h4{font-size:15px;font-weight:700;color:var(--dark-text);margin-bottom:16px}
.site-footer ul li{margin-bottom:10px;font-size:14px;line-height:1.7}
.site-footer ul li a{display:inline-block;min-height:28px;transition:color .2s var(--ease)}
.site-footer ul li a:hover{color:var(--lime)}
.foot-contact li{display:flex;flex-direction:column;gap:2px;margin-bottom:14px}
.foot-contact b{font-size:12px;font-weight:600;color:#7F8D80;letter-spacing:.04em}
.foot-contact span{font-size:14px;color:var(--dark-text)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  border-top:1px solid var(--line-dark);padding:22px 0;font-size:12px;color:#7A8779;
}
.footer-bottom span{line-height:1.7}

/* ---------- 移动导航抽屉 ---------- */
.offcanvas.mobile-nav{background:var(--ink);color:var(--dark-text);width:86%;max-width:400px}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line-dark);padding:18px 22px}
.mobile-nav .offcanvas-body{padding:22px;display:flex;flex-direction:column}
.mobile-links li a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;font-size:18px;font-weight:600;color:var(--dark-text);
  border-bottom:1px solid var(--line-dark);min-height:44px;transition:color .2s var(--ease);
}
.mobile-links li a:hover,.mobile-links li a.is-active{color:var(--lime)}
.mobile-contact{margin-top:24px}
.mobile-contact .rail-tel{display:block;font-family:var(--num-font);font-size:22px;font-weight:900;color:var(--lime);margin-bottom:16px;font-variant-numeric:tabular-nums}
.mobile-contact p{font-size:13px;color:var(--dark-muted);margin-bottom:18px}
.mobile-nav .btn-close{filter:invert(1) grayscale(1) brightness(2)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-inner{gap:24px}
  .nav-links{gap:20px}
  .anchor-layout{gap:40px;grid-template-columns:220px 1fr}
  .block-item{gap:26px}
}
@media (max-width:991px){
  .topbar-note{display:none}
  .topbar-inner{justify-content:center}
  .nav-inner{height:66px;gap:16px}
  .nav-links,.nav-tel{display:none}
  .nav-toggle{display:inline-flex}
  .cat-hero{padding:52px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:2}
  .score-card{left:16px;bottom:-20px}
  .stat-grid{grid-template-columns:1fr 1fr}
  .stat-cell{border-left:0;border-top:1px solid var(--line);padding:26px 18px}
  .stat-cell:nth-child(odd){border-right:1px solid var(--line)}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-top:0}
  .section{padding:72px 0}
  .anchor-layout{grid-template-columns:1fr;gap:32px}
  .anchor-rail{position:static}
  .anchor-list{flex-direction:row;overflow-x:auto;border-left:0;border-bottom:1px solid var(--line);padding-bottom:2px;gap:4px;-webkit-overflow-scrolling:touch}
  .anchor-list li{flex:0 0 auto}
  .anchor-list a{margin-left:0;border-left:0;border-bottom:2px solid transparent;padding:10px 14px;white-space:nowrap}
  .anchor-list a.is-current{border-left:0;border-bottom-color:var(--lime);background:rgba(216,255,62,.14)}
  .anchor-main{gap:40px}
  .timeline{grid-template-columns:1fr 1fr}
  .timeline::before{display:none}
  .support-grid{grid-template-columns:1fr;gap:36px}
  .support-list{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section-head{margin-bottom:36px}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .nav-cta{display:none}
  .nav-actions{gap:10px}
  .hero-copy h1{margin:14px 0}
  .hero-sub{font-size:16px}
  .hero-cta .btn{flex:1 1 auto}
  .block-item,.block-item.reverse{grid-template-columns:1fr}
  .block-item.reverse .block-media{order:0}
  .block-media img{aspect-ratio:16/10}
  .timeline{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .cta-form{padding:24px}
  .cta-band{padding:64px 0}
  .score-card{position:static;margin-top:14px;width:100%;justify-content:space-between}
  .hero-visual::after{display:none}
  .faq-wrap .accordion-button{font-size:16px;padding-right:4px}
  .faq-wrap .accordion-body{padding-right:16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (max-width:575px){
  .section{padding:48px 0}
  .stat-num{font-size:26px}
  .hero-tags li{font-size:12px}
  .btn{height:46px;padding:0 18px;font-size:14px}
  .btn-lg{height:50px;padding:0 22px}
  .score-item{padding:4px 10px}
  .score-num{font-size:22px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --ink:#0B0F0C;
  --field:#1E3A2B;
  --lime:#D8FF3E;
  --lime-soft:#E6FF75;
  --orange:#FF6B35;
  --paper:#F4F5EF;
  --paper-2:#E4E8DD;
  --text:#141A15;
  --muted:#5E6B60;
  --on-dark:#EDF3E8;
  --on-dark-muted:#9AA79B;
  --line-dark:#26332A;
  --line-light:#D9DFD3;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-light:0 12px 32px rgba(17,26,19,.08);
  --shadow-light-hover:0 22px 60px rgba(17,26,19,.14);
  --shadow-dark:0 18px 50px rgba(0,0,0,.35);
  --ease:cubic-bezier(.2,.8,.2,1);
  --wrap:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;color:var(--text);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.22;font-weight:800;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:#3F6B1E;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:#2B4F12;}
button{font-family:inherit;}
:focus-visible{outline:2px solid #3F6B1E;outline-offset:3px;border-radius:6px;}
.page-hero :focus-visible,.main-nav :focus-visible,.site-footer :focus-visible,.consult :focus-visible{outline-color:var(--lime);}
.wrap{max-width:var(--wrap);width:100%;margin:0 auto;padding:0 24px;}

/* ================= 通用按钮 ================= */
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-sm);
  background:var(--lime);color:var(--ink);border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;white-space:nowrap;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
}
.btn-lime:hover{background:var(--lime-soft);color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 26px rgba(216,255,62,.28);}
.btn-lime:active{transform:translateY(0);box-shadow:none;}
.btn-lime:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius-sm);
  background:transparent;color:var(--on-dark);border:1px solid #3A4A3E;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(216,255,62,.06);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}

/* ================= 导航 ================= */
.main-nav{position:sticky;top:0;z-index:1030;background:var(--ink);border-bottom:1px solid var(--line-dark);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--lime);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;}
.brand-text{font-size:20px;font-weight:900;color:var(--on-dark);letter-spacing:-.01em;line-height:1;}
.brand-text em{font-style:normal;color:var(--lime);}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{position:relative;display:inline-block;padding:8px 0;color:var(--on-dark-muted);font-size:15px;font-weight:500;transition:color .2s var(--ease);}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--lime);}
.nav-links a:hover::after,.nav-links a:focus-visible::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--lime);}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:18px;}
.nav-tel{display:inline-flex;align-items:center;gap:8px;color:var(--on-dark-muted);font-size:14px;font-variant-numeric:tabular-nums;transition:color .2s var(--ease);}
.nav-tel:hover{color:var(--lime);}
.nav-cta{height:44px;padding:0 20px;font-size:14px;border-radius:12px;}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;background:transparent;border:1px solid var(--line-dark);border-radius:10px;color:var(--on-dark);cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease);}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime);}

/* 移动抽屉 */
.mobile-nav{width:86vw;max-width:380px;background:var(--ink);color:var(--on-dark);border-left:1px solid var(--line-dark);}
.mobile-nav .offcanvas-header{padding:20px 24px;border-bottom:1px solid var(--line-dark);display:flex;align-items:center;justify-content:space-between;}
.m-close{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--line-dark);border-radius:10px;color:var(--on-dark);cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease);}
.m-close:hover{border-color:var(--lime);color:var(--lime);}
.mobile-nav .offcanvas-body{padding:20px 24px 32px;display:flex;flex-direction:column;}
.m-link{display:block;padding:15px 0;font-size:18px;font-weight:700;color:var(--on-dark);border-bottom:1px solid rgba(255,255,255,.07);}
.m-link:hover{color:var(--lime);}
.m-link.is-active{color:var(--lime);}
.m-cta{margin-top:22px;width:100%;}
.m-tel{margin-top:12px;display:flex;justify-content:center;align-items:center;height:48px;border-radius:12px;border:1px solid var(--line-dark);color:var(--on-dark-muted);font-variant-numeric:tabular-nums;font-size:15px;}
.m-tel:hover{color:var(--lime);border-color:var(--lime);}

/* ================= Hero ================= */
.page-hero{position:relative;overflow:hidden;background:var(--ink);color:var(--on-dark);padding:104px 0 88px;scroll-margin-top:90px;}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.5;}
.hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,15,12,.96) 10%,rgba(11,15,12,.84) 46%,rgba(30,58,43,.48) 100%);}
.hero-inner{position:relative;z-index:2;max-width:880px;}
.kicker{display:inline-flex;align-items:center;gap:9px;padding:7px 14px;border-radius:999px;border:1px solid rgba(216,255,62,.35);background:rgba(216,255,62,.08);color:var(--lime);font-size:13px;font-weight:600;letter-spacing:.04em;}
.kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(216,255,62,.16);}
.page-hero h1{margin:20px 0 18px;font-size:clamp(2.1rem,4.4vw,3.6rem);font-weight:900;line-height:1.12;letter-spacing:-.02em;color:#fff;}
.hero-sub{max-width:620px;font-size:17px;line-height:1.85;color:#C3CEC0;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:38px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);}
.hero-tags li{display:inline-flex;align-items:center;gap:9px;font-size:14px;color:#A9B6A6;}
.hero-tags li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--lime);transform:rotate(45deg);flex:0 0 auto;}

/* ================= 数据条 ================= */
.stat-bar{background:var(--paper-2);border-bottom:1px solid var(--line-light);}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);}
.stat-item{position:relative;padding:36px 32px;border-right:1px solid rgba(20,26,21,.12);}
.stat-item:last-child{border-right:0;}
.stat-no{position:absolute;right:26px;top:18px;font-size:46px;font-weight:900;line-height:1;color:rgba(20,26,21,.07);font-variant-numeric:tabular-nums;letter-spacing:-.04em;}
.stat-item h3{font-size:19px;font-weight:800;margin-bottom:8px;}
.stat-item p{font-size:14px;color:var(--muted);}

/* ================= 板块 ================= */
.section{padding:96px 0;scroll-margin-top:90px;}
.section--white{background:#fff;}
.section--paper{background:var(--paper);}
.sec-head{max-width:740px;margin-bottom:48px;}
.sec-head h2{font-size:clamp(1.6rem,2.8vw,2.35rem);letter-spacing:-.01em;margin-bottom:14px;}
.sec-head p{font-size:16px;color:var(--muted);line-height:1.85;}

/* 问题—方案 */
.pair-list{border-top:1px solid var(--line-light);}
.pair-row{display:grid;grid-template-columns:1fr 1fr;gap:36px;padding:34px 0;border-bottom:1px solid var(--line-light);align-items:start;}
.pair-row h3{font-size:20px;margin-bottom:10px;}
.pair-row p{font-size:15px;color:var(--muted);line-height:1.85;}
.pair-label{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;letter-spacing:.06em;padding:4px 11px;border-radius:999px;margin-bottom:14px;}
.pair-label.is-q{background:rgba(255,107,53,.12);color:#B4461C;border:1px solid rgba(255,107,53,.3);}
.pair-label.is-a{background:rgba(216,255,62,.24);color:#3F6B1E;border:1px solid rgba(63,107,30,.28);}
.pair-sol{padding-left:34px;border-left:2px solid var(--line-light);}

/* 对比表 */
.table-card{border:1px solid var(--line-light);border-radius:var(--radius-md);background:#fff;overflow:hidden;box-shadow:var(--shadow-light);}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.cmp{width:100%;min-width:760px;border-collapse:collapse;font-size:15px;}
.cmp thead th{background:var(--ink);color:var(--on-dark);font-size:14px;font-weight:700;text-align:left;padding:18px 20px;border-bottom:1px solid var(--line-dark);white-space:nowrap;}
.cmp thead th.is-rec{background:#22321E;color:var(--lime);}
.cmp tbody td{padding:16px 20px;border-bottom:1px solid var(--line-light);color:var(--text);vertical-align:top;}
.cmp tbody tr:last-child td{border-bottom:0;}
.cmp tbody tr:nth-child(even) td{background:#FAFBF6;}
.cmp tbody td:first-child{font-weight:700;color:var(--ink);white-space:nowrap;}
.cmp tbody td.is-rec{background:#F3FFD6;font-weight:600;}
.cmp tbody tr:nth-child(even) td.is-rec{background:#EEFCC6;}
.cmp .tag-rec{display:inline-block;margin-left:8px;padding:2px 8px;border-radius:999px;background:var(--lime);color:var(--ink);font-size:11px;font-weight:800;letter-spacing:.02em;}
.table-hint{margin-top:14px;font-size:13px;color:var(--muted);display:none;}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:0.82fr 1.18fr;gap:56px;align-items:start;}
.faq-figure{border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--line-light);box-shadow:var(--shadow-light);}
.faq-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.faq-side-note{margin-top:22px;font-size:14px;color:var(--muted);line-height:1.85;}
.faq-acc .accordion-item{border:0;border-bottom:1px solid var(--line-light);background:transparent;}
.faq-acc .accordion-item:first-child{border-top:1px solid var(--line-light);}
.faq-acc .accordion-button{
  position:relative;width:100%;display:block;background:transparent;border:0;text-align:left;
  color:var(--ink);font-size:18px;font-weight:700;line-height:1.6;
  padding:22px 52px 22px 20px;box-shadow:none;border-radius:0;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--ink);background:rgba(216,255,62,.1);box-shadow:none;}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-acc .accordion-button:focus-visible{outline:2px solid #3F6B1E;outline-offset:-2px;}
.faq-acc .accordion-button::after{
  content:"";position:absolute;right:20px;top:50%;width:16px;height:16px;margin:0;
  transform:translateY(-50%);
  background:
    linear-gradient(var(--ink),var(--ink)) center/16px 2px no-repeat,
    linear-gradient(var(--ink),var(--ink)) center/2px 16px no-repeat;
  transition:transform .24s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(45deg);}
.faq-acc .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:2px;background:var(--lime);
}
.faq-acc .accordion-body{padding:0 52px 24px 20px;font-size:15px;line-height:1.85;color:var(--muted);}

/* 咨询 */
.consult{background:var(--field);color:var(--on-dark);padding:96px 0;scroll-margin-top:90px;position:relative;overflow:hidden;}
.consult::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(216,255,62,.09) 0 1px,transparent 1px 90px);
  opacity:.55;pointer-events:none;
}
.consult .wrap{position:relative;z-index:2;}
.consult-grid{display:grid;grid-template-columns:0.85fr 1.15fr;gap:52px;align-items:start;}
.consult h2{color:#fff;font-size:clamp(1.6rem,2.8vw,2.2rem);margin-bottom:16px;}
.consult-lead{font-size:15px;line-height:1.85;color:#BFCBBB;margin-bottom:28px;max-width:400px;}
.consult-points{display:grid;gap:14px;margin-bottom:32px;}
.consult-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#D6E0D2;line-height:1.7;}
.consult-points .tick{flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:rgba(216,255,62,.16);display:inline-flex;align-items:center;justify-content:center;margin-top:3px;}
.consult-tel{display:inline-flex;align-items:center;gap:12px;padding:16px 20px;border-radius:14px;border:1px solid var(--line-dark);background:rgba(0,0,0,.18);}
.consult-tel b{display:block;font-size:12px;font-weight:600;color:var(--on-dark-muted);letter-spacing:.04em;}
.consult-tel span{display:block;font-size:20px;font-weight:900;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.2;}
.consult-tel:hover{border-color:var(--lime);}

.form-card{background:#fff;border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-dark);}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-note{font-size:13px;color:var(--muted);margin-bottom:24px;}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;}
.field.full{grid-column:1/-1;}
.field label{font-size:13px;font-weight:600;color:#4A574C;margin-bottom:8px;}
.field label .req{color:#C0392B;margin-left:3px;}
.form-control,.form-select{
  height:48px;border-radius:10px;border:1px solid var(--line-light);background:#F7F8F2;
  font-size:15px;padding:0 14px;color:var(--text);box-shadow:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.form-control::placeholder{color:#9AA79B;}
.form-control:focus,.form-select:focus{background:#fff;border-color:#9CCF2A;box-shadow:0 0 0 4px rgba(216,255,62,.38);color:var(--text);}
textarea.form-control{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-control.is-invalid,.form-select.is-invalid{border-color:#C0392B;background:#FFF7F6;}
.err{display:block;font-size:12px;color:#C0392B;margin-top:6px;min-height:0;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7;margin-top:4px;}
.check-row input{width:16px;height:16px;margin-top:3px;accent-color:#6FA80F;flex:0 0 auto;}
.submit-row{margin-top:24px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.submit-row .btn-lime{flex:1 1 240px;}
.form-ok{margin-top:18px;padding:14px 18px;border-radius:12px;background:#F3FFD6;border:1px solid #C9E87A;color:#3F6B1E;font-size:14px;font-weight:600;}

/* ================= 页脚 ================= */
.site-footer{background:var(--ink);color:var(--on-dark-muted);padding:72px 0 0;border-top:1px solid var(--line-dark);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .brand-text{color:var(--on-dark);font-size:19px;}
.site-footer .desc{font-size:14px;line-height:1.85;max-width:300px;color:var(--on-dark-muted);}
.site-footer h4{color:var(--on-dark);font-size:15px;font-weight:700;margin:0 0 16px;}
.site-footer ul{display:grid;gap:11px;}
.site-footer a{color:var(--on-dark-muted);font-size:14px;transition:color .2s var(--ease);}
.site-footer a:hover{color:var(--lime);}
.foot-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;}
.foot-contact b{color:var(--on-dark);font-weight:600;flex:0 0 62px;}
.footer-bottom{border-top:1px solid var(--line-dark);padding:22px 0 26px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:#7C8A7E;}

/* ================= 响应式 ================= */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:32px;}
  .footer-grid > div:last-child{grid-column:1/-1;}
  .foot-contact{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .nav-tel{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:72px 0;}
  .page-hero{padding:80px 0 68px;}
  .consult{padding:72px 0;}
  .consult-grid{grid-template-columns:1fr;gap:36px;}
  .faq-grid{grid-template-columns:1fr;gap:36px;}
  .faq-figure img{aspect-ratio:16/9;}
  .pair-row{grid-template-columns:1fr;gap:20px;padding:28px 0;}
  .pair-sol{padding-left:0;border-left:0;padding-top:20px;border-top:1px dashed var(--line-light);}
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{border-right:0;border-bottom:1px solid rgba(20,26,21,.12);padding:26px 24px;}
  .stat-item:last-child{border-bottom:0;}
  .stat-no{font-size:38px;top:14px;right:20px;}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px;}
  .nav-inner{min-height:66px;gap:12px;}
  .brand-text{font-size:18px;}
  .brand-mark{width:32px;height:32px;border-radius:9px;}
  .page-hero h1{font-size:2.15rem;line-height:1.16;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn-lime,.hero-actions .btn-ghost{flex:1 1 100%;}
  .hero-tags{gap:10px 20px;}
  .section{padding:56px 0;}
  .sec-head{margin-bottom:32px;}
  .form-card{padding:24px 20px;border-radius:18px;}
  .field-grid{grid-template-columns:1fr;gap:16px;}
  .faq-acc .accordion-button{font-size:16px;padding:18px 46px 18px 16px;}
  .faq-acc .accordion-body{padding:0 46px 20px 16px;font-size:14.5px;}
  .cmp{min-width:680px;font-size:14px;}
  .cmp thead th,.cmp tbody td{padding:14px 16px;}
  .table-hint{display:block;}
  .cmp thead th:first-child,.cmp tbody td:first-child{position:sticky;left:0;z-index:2;box-shadow:1px 0 0 var(--line-light);}
  .cmp thead th:first-child{background:var(--ink);}
  .cmp tbody td:first-child{background:#fff;}
  .cmp tbody tr:nth-child(even) td:first-child{background:#FAFBF6;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .foot-contact{grid-template-columns:1fr;}
  .site-footer{padding-top:52px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .consult-tel{display:flex;width:100%;}
}
@media (max-width:520px){
  .page-hero{padding:64px 0 56px;}
  .page-hero h1{font-size:1.95rem;}
  .kicker{font-size:12px;padding:6px 12px;}
  .btn-lime,.btn-ghost{height:46px;font-size:14.5px;padding:0 18px;}
  .nav-toggle{width:40px;height:40px;}
  .stat-item{padding:22px 18px;}
}

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

/* roulang page: category3 */
:root{
  --ink:#0B0F0C;
  --field:#1E3A2B;
  --lime:#D8FF3E;
  --lime-hi:#E6FF75;
  --orange:#FF6B35;
  --paper:#F4F5EF;
  --paper-2:#E4E8DD;
  --text:#141A15;
  --muted:#5E6B60;
  --ink-text:#EDF3E8;
  --ink-muted:#9AA79B;
  --line:#D9DFD3;
  --line-dark:#26332A;
  --card-dark:#151C16;
  --green-deep:#26431B;
  --green-link:#3F6B1E;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-xs:10px;
  --sh-light:0 12px 32px rgba(17,26,19,.08);
  --sh-light-hover:0 22px 60px rgba(17,26,19,.12);
  --sh-dark:0 18px 50px rgba(0,0,0,.35);
  --t:230ms cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,dl,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t)}
img{max-width:100%;display:block}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(216,255,62,.75);outline-offset:3px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* 顶部信息条 */
.topbar{background:var(--ink);color:var(--ink-muted);font-size:13px;min-height:36px;display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.topbar-note{display:inline-flex;align-items:center;gap:8px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--lime);display:inline-block;box-shadow:0 0 0 3px rgba(216,255,62,.18)}
.topbar-tel{color:var(--ink-text);font-variant-numeric:tabular-nums}
.topbar-tel:hover{color:var(--lime)}

/* 主导航 */
.main-nav{position:sticky;top:0;z-index:1030;background:var(--ink);border-bottom:1px solid var(--line-dark)}
.nav-inner{display:flex;align-items:center;gap:28px;height:76px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--lime);display:grid;place-items:center;flex:0 0 auto}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.01em;color:var(--ink-text)}
.brand-text em{font-style:normal;color:var(--lime)}
.nav-links{display:flex;align-items:center;gap:28px;margin:0 0 0 8px;padding:0}
.nav-links a{position:relative;display:inline-block;font-size:15px;font-weight:500;color:#C9D3C7;padding:8px 0}
.nav-links a:hover{color:var(--lime)}
.nav-links a.is-active{color:var(--lime)}
.nav-links a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--lime)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:18px}
.nav-tel{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:#C9D3C7;font-variant-numeric:tabular-nums}
.nav-tel:hover{color:var(--lime)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid #3A4A3E;background:transparent;color:var(--ink-text);align-items:center;justify-content:center;cursor:pointer;transition:all var(--t)}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:12px;border:1px solid transparent;font-size:15px;font-weight:700;line-height:1;cursor:pointer;transition:all var(--t);white-space:nowrap}
.btn svg{flex:0 0 auto}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:var(--lime-hi);color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 28px rgba(216,255,62,.28)}
.btn-lime:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:#3A4A3E;color:#E7EFE3}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(216,255,62,.06);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-outline-dark{background:transparent;border-color:#BFC9B8;color:var(--text)}
.btn-outline-dark:hover{border-color:var(--field);color:var(--field);background:#EAF0E0;transform:translateY(-2px)}
.btn-outline-dark:active{transform:translateY(0)}
.btn-lg{height:52px;padding:0 28px;font-size:16px}

/* 移动端抽屉 */
.offcanvas.mobile-nav{background:var(--ink);color:var(--ink-text);width:86%;max-width:360px;border-right:1px solid var(--line-dark)}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line-dark);padding:18px 22px}
.mobile-nav .offcanvas-title{font-size:17px;font-weight:800;color:var(--ink-text)}
.mobile-nav .btn-close{filter:invert(1) grayscale(1) brightness(1.8);opacity:.75}
.mobile-nav .offcanvas-body{padding:22px}
.mobile-nav-list{display:grid;gap:4px;margin-bottom:24px}
.mobile-nav-list a{display:block;padding:12px 0;font-size:18px;font-weight:600;color:#DDE6DA;border-bottom:1px solid rgba(38,51,42,.9)}
.mobile-nav-list a:hover,.mobile-nav-list a.is-active{color:var(--lime)}
.mobile-nav .btn{width:100%}
.mobile-tel{display:flex;align-items:center;gap:10px;margin-top:18px;padding:14px 16px;border:1px solid var(--line-dark);border-radius:14px;font-size:14px;color:var(--ink-muted)}
.mobile-tel b{color:var(--ink-text);font-size:16px;font-variant-numeric:tabular-nums}

/* Hero */
.hero-gear{position:relative;overflow:hidden;padding:72px 0 64px;background:linear-gradient(180deg,#F7F8F2 0%,var(--paper) 100%)}
.hero-gear::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.07;
  background-image:repeating-linear-gradient(115deg,var(--field) 0 1px,transparent 1px 90px);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--green-deep);background:#E9F2D2;border:1px solid #D6E5B4;border-radius:999px;padding:6px 14px}
.hero-title{font-size:clamp(34px,5vw,56px);font-weight:900;line-height:1.1;letter-spacing:-.02em;color:var(--ink);margin:20px 0 16px}
.hero-lead{font-size:17px;color:var(--muted);max-width:34em}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--field);background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 13px}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;box-shadow:var(--sh-light)}
.hero-stat{position:absolute;left:18px;bottom:18px;display:flex;gap:22px;background:rgba(11,15,12,.92);color:var(--ink-text);border:1px solid var(--line-dark);border-radius:14px;padding:14px 20px}
.hero-stat b{display:block;font-size:20px;font-weight:900;color:var(--lime);line-height:1.2;font-variant-numeric:tabular-nums}
.hero-stat span{font-size:12px;color:var(--ink-muted)}
.filter-row{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}
.filter-row .filter-label{font-size:13px;font-weight:700;color:var(--muted);margin-right:4px}
.filter-chip{display:inline-flex;align-items:center;font-size:14px;font-weight:600;color:var(--field);background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 18px;transition:all var(--t)}
.filter-chip:hover{border-color:var(--field);color:var(--green-deep);background:#F1F7E3;transform:translateY(-2px)}

/* 板块 */
.section{padding:96px 0}
.section-alt{background:#EFF2E7}
.section-head{max-width:780px;margin-bottom:44px}
.kicker{display:block;font-size:13px;font-weight:800;letter-spacing:.04em;color:var(--green-link);margin-bottom:10px}
.section-title{font-size:clamp(26px,3vw,38px);font-weight:800;line-height:1.22;letter-spacing:-.01em;color:var(--ink)}
.section-desc{margin-top:14px;font-size:16px;color:var(--muted)}

/* 装备卡片网格 */
.gear-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;align-items:start}
.gear-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-light);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.gear-card:nth-child(2n){margin-top:48px}
.gear-card:hover{transform:translateY(-4px);box-shadow:var(--sh-light-hover);border-color:#C6D2BC}
.gear-thumb{overflow:hidden}
.gear-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 600ms cubic-bezier(.2,.8,.2,1)}
.gear-card:hover .gear-thumb img{transform:scale(1.04)}
.gear-body{padding:22px 24px 26px}
.badge-lime{display:inline-block;font-size:12px;font-weight:700;color:var(--ink);background:var(--lime);border-radius:999px;padding:4px 12px;margin-bottom:12px}
.badge-line{display:inline-block;font-size:12px;font-weight:600;color:var(--field);border:1px solid var(--line);border-radius:999px;padding:4px 12px;margin-bottom:12px}
.gear-body h3{font-size:21px;font-weight:700;line-height:1.35;color:var(--ink)}
.gear-body p{font-size:15px;color:var(--muted);margin-top:10px}
.spec-list{display:grid;gap:9px;margin:16px 0 20px}
.spec-list li{display:flex;gap:10px;font-size:14px;color:#45503F;line-height:1.6}
.spec-list li::before{content:"";flex:0 0 auto;width:7px;height:7px;margin-top:8px;border-radius:2px;background:var(--green-link)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--green-deep);border-bottom:1px solid rgba(38,67,27,.35);padding-bottom:3px}
.link-arrow:hover{color:var(--green-link);border-color:var(--green-link);gap:10px}

/* 规格表 */
.table-shell{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-light);overflow:hidden}
.table-scroll{overflow-x:auto}
table.spec-table{width:100%;min-width:840px;border-collapse:collapse;font-size:15px}
table.spec-table thead th{background:var(--field);color:var(--ink-text);font-size:14px;font-weight:700;text-align:left;padding:16px 18px;white-space:nowrap}
table.spec-table tbody td{padding:16px 18px;border-top:1px solid var(--line);color:#3C463A;vertical-align:top;line-height:1.65}
table.spec-table tbody tr:nth-child(even){background:#F7F9F1}
table.spec-table tbody td:first-child{font-weight:700;color:var(--ink);white-space:nowrap}
.scroll-hint{margin-top:12px;font-size:12px;color:var(--muted)}

/* 流程时间线 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px 22px 24px;box-shadow:var(--sh-light);transition:transform var(--t),box-shadow var(--t)}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-light-hover)}
.step-num{display:block;font-size:34px;font-weight:900;line-height:1;color:#DCE5D0;font-variant-numeric:tabular-nums;margin-bottom:14px}
.step h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.7}

/* 保障区 */
.assure{display:grid;grid-template-columns:.92fr 1.08fr;gap:56px;align-items:center}
.assure-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-md);box-shadow:var(--sh-light)}
.assure-list{display:grid;gap:22px;margin-top:30px}
.assure-item{display:grid;grid-template-columns:44px 1fr;gap:16px;padding-bottom:22px;border-bottom:1px dashed var(--line)}
.assure-item:last-child{border-bottom:0;padding-bottom:0}
.assure-item .idx{width:44px;height:44px;border-radius:12px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-size:14px;font-weight:800;font-variant-numeric:tabular-nums}
.assure-item h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:6px}
.assure-item p{font-size:15px;color:var(--muted);line-height:1.7}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-wrap .accordion-item{background:transparent;border:0;border-top:1px solid var(--line)}
.faq-wrap .accordion-item:last-child{border-bottom:1px solid var(--line)}
.faq-wrap .accordion-button{
  background:transparent;color:var(--ink);font-size:18px;font-weight:700;line-height:1.5;
  padding:24px 46px 24px 18px;box-shadow:none;border-radius:0;transition:color var(--t),border-color var(--t)
}
.faq-wrap .accordion-button:hover{color:var(--green-deep)}
.faq-wrap .accordion-button:focus{box-shadow:none;outline:3px solid rgba(216,255,62,.75);outline-offset:-3px}
.faq-wrap .accordion-button:not(.collapsed){color:var(--green-deep);border-left:3px solid var(--lime);padding-left:15px;background:transparent;box-shadow:none}
.faq-wrap .accordion-button::after{
  width:20px;height:20px;background-size:20px;background-position:center;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23141A15' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  transform:rotate(0deg);transition:transform var(--t)
}
.faq-wrap .accordion-button:not(.collapsed)::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2326431B' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  transform:rotate(45deg)
}
.faq-wrap .accordion-body{padding:0 46px 26px 18px;font-size:15px;line-height:1.85;color:var(--muted)}

/* CTA 带 */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:var(--ink-text);padding:80px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.1;pointer-events:none;
  background-image:repeating-linear-gradient(120deg,var(--lime) 0 1px,transparent 1px 76px),
                   radial-gradient(circle,var(--lime) 1px,transparent 1.5px);
  background-size:auto,26px 26px;
}
.cta-grid{position:relative;display:grid;grid-template-columns:1.35fr .65fr;gap:48px;align-items:center}
.cta-band h2{font-size:clamp(26px,3vw,38px);font-weight:800;line-height:1.24;color:#fff;letter-spacing:-.01em}
.cta-band p{margin-top:14px;font-size:16px;color:var(--ink-muted);max-width:36em}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:stretch}
.cta-actions .btn{width:100%}
.cta-note{font-size:12px;color:#7D8A7E;margin-top:4px;text-align:center}

/* 页脚 */
.site-footer{background:var(--ink);color:var(--ink-muted);border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.site-footer .desc{font-size:14px;color:var(--ink-muted);max-width:22em;line-height:1.75}
.site-footer h4{font-size:15px;font-weight:700;color:var(--ink-text);margin-bottom:16px}
.site-footer ul li{margin-bottom:10px}
.site-footer ul li a{font-size:14px;color:var(--ink-muted)}
.site-footer ul li a:hover{color:var(--lime)}
.foot-contact li{display:flex;gap:12px;font-size:14px;margin-bottom:12px}
.foot-contact b{flex:0 0 auto;color:#C6D2C3;font-weight:600}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:20px 0 32px;border-top:1px solid var(--line-dark);font-size:12px;color:#7D8A7E}

/* 响应式 */
@media (max-width:1199px){
  .hero-grid{gap:40px}
  .assure{gap:40px}
}
@media (max-width:991px){
  .wrap{padding:0 20px}
  .nav-links,.nav-tel{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{height:68px;gap:14px}
  .hero-gear{padding:56px 0 52px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{order:2}
  .assure{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .section{padding:72px 0}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .cta-actions{flex-direction:row;flex-wrap:wrap;align-items:center}
  .cta-actions .btn{width:auto;flex:1 1 200px}
  .cta-note{text-align:left;width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .hero-title{font-size:clamp(30px,7.4vw,38px)}
  .gear-grid{grid-template-columns:1fr}
  .gear-card:nth-child(2n){margin-top:0}
  .steps{grid-template-columns:1fr}
  .section{padding:48px 0}
  .section-head{margin-bottom:32px}
  .cta-band{padding:56px 0}
  .hero-stat{left:12px;right:12px;bottom:12px;gap:16px;padding:12px 16px}
}
@media (max-width:575px){
  .topbar-note{display:none}
  .topbar-inner{justify-content:center}
  .nav-cta{display:none}
  .hero-cta .btn{width:100%}
  .filter-chip{flex:1 1 auto;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px}
  .footer-bottom{flex-direction:column;gap:8px}
  .assure-item{grid-template-columns:38px 1fr;gap:12px}
  .assure-item .idx{width:38px;height:38px;border-radius:10px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}