:root{
  --ink:#24333A; --teal:#2F5D62; --teal-deep:#22464B; --teal-soft:#E9F0F1;
  --paper:#F7F9FA; --card:#FFFFFF; --line:#DCE4E7; --line-soft:#EDF1F2;
  --amber:#C07A3E; --amber-soft:#F6E9DC; --muted:#6B7C84; --warn:#A03D2E;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--paper);color:var(--ink);line-height:1.8;font-size:15px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
section{padding:64px 0}
/* ===== 顶部导航 ===== */
.nav{position:sticky;top:0;z-index:60;background:rgba(247,249,250,.94);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:28px;height:70px}
.logo{display:flex;align-items:center;gap:12px;flex:none}
.logo .mark{position:relative;width:52px;height:52px;display:grid;place-items:center}
.logo .mark .ring{position:absolute;inset:0;border-radius:14px;border:1.5px solid var(--teal);background:conic-gradient(from 0deg,transparent 0 82%,var(--amber) 82% 100%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;padding:2px;animation:spin 9s linear infinite}
.logo .mark b{font-family:"Noto Serif SC",serif;font-size:21px;color:var(--teal-deep);font-weight:900}
.logo .name{display:flex;flex-direction:column;line-height:1.25}
.logo .name b{font-family:"Noto Serif SC",serif;font-size:20px;color:var(--teal-deep);letter-spacing:2px}
.logo .name span{font-size:11px;color:var(--muted);letter-spacing:1.5px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{font-size:14.5px;color:var(--ink);padding:8px 13px;border-radius:8px;transition:.2s}
.nav-links a:hover{background:var(--teal-soft);color:var(--teal-deep)}
.nav-links a.on{color:var(--teal-deep);font-weight:700;box-shadow:inset 0 -2px 0 var(--amber)}
.nav-hot{margin-left:6px;display:flex;align-items:center;gap:8px;font-size:14px;color:var(--teal-deep);font-weight:700}
.nav-hot i{width:8px;height:8px;border-radius:50%;background:var(--amber);animation:pulse 2s ease-in-out infinite}
.nav-burger{display:none;margin-left:8px;width:44px;height:44px;flex:none;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--teal-deep);align-items:center;justify-content:center;cursor:pointer;transition:.2s}
.nav-burger:hover{background:var(--teal-soft);border-color:var(--teal)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
@keyframes spin{to{transform:rotate(360deg)}}
/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:linear-gradient(150deg,#EFF4F4 0%,#E4ECEE 60%,#DCE7E8 100%);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;padding:72px 0 64px;align-items:center}
.hero .tagline{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(47,93,98,.4);background:rgba(255,255,255,.6);color:var(--teal-deep);border-radius:999px;padding:4px 16px;font-size:13px;letter-spacing:2px}
.hero h1{font-family:"Noto Serif SC",serif;font-size:42px;font-weight:900;line-height:1.3;margin:20px 0 16px;color:var(--teal-deep)}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero p.sub{font-size:16px;color:#55686F;max-width:560px}
.hero-cta{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:10px;padding:12px 26px;font-size:15px;font-weight:700;cursor:pointer;border:none;transition:.2s}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{background:var(--teal-deep);transform:translateY(-2px)}
.btn-line{border:1.5px solid var(--teal);color:var(--teal-deep);background:transparent}
.btn-line:hover{background:var(--teal-soft);transform:translateY(-2px)}
.hero .fig{position:relative}
.hero .fig .imgwrap{border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:0 18px 40px rgba(35,74,83,.14);background:#fff}
.hero .fig img{width:100%;height:340px;object-fit:cover;object-position:center}
.hero .fig .badge{position:absolute;left:-14px;bottom:-16px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 16px;display:flex;align-items:center;gap:10px;box-shadow:0 10px 24px rgba(35,74,83,.12)}
.hero .fig .badge b{font-family:"Noto Serif SC",serif;font-size:24px;color:var(--amber);line-height:1}
.hero .fig .badge span{font-size:12.5px;color:var(--muted);line-height:1.35}
/* ===== 生命周期轴 ===== */
.life{background:#fff;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.life-in{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.life .ph{padding:22px 20px;border-right:1px solid var(--line-soft);position:relative}
.life .ph:last-child{border-right:none}
.life .ph .no{font-family:"Noto Serif SC",serif;font-size:12px;color:var(--amber);letter-spacing:2px;font-weight:700}
.life .ph h4{font-family:"Noto Serif SC",serif;font-size:17px;color:var(--teal-deep);margin:4px 0 8px}
.life .ph p{font-size:13px;color:var(--muted);line-height:1.7;min-height:44px}
.life .ph .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.life .ph .tags span{font-size:11.5px;background:var(--teal-soft);color:var(--teal-deep);border-radius:999px;padding:2px 10px}
.life .ph::after{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform .5s}
.life .ph:hover::after{transform:scaleX(1)}
/* ===== 通用标题 ===== */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px}
.sec-head h2{font-family:"Noto Serif SC",serif;font-size:27px;font-weight:900;color:var(--teal-deep);line-height:1.35}
.sec-head h2 span{display:block;font-size:13px;color:var(--amber);letter-spacing:3px;font-weight:600;margin-bottom:8px}
.sec-head p{color:var(--muted);font-size:14px;max-width:480px}
/* ===== 细分密度 ===== */
.density{background:var(--teal-deep);position:relative;overflow:hidden}
.density::before{content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(192,122,62,.18),transparent 70%)}
.density-in{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.density .cell{padding:40px 30px;border-right:1px solid rgba(255,255,255,.1);text-align:center}
.density .cell:last-child{border-right:none}
.density .cell b{font-family:"Noto Serif SC",serif;font-size:44px;font-weight:900;color:#fff;line-height:1.1;display:block}
.density .cell b i{font-style:normal;color:var(--amber)}
.density .cell span{color:rgba(255,255,255,.75);font-size:14px;margin-top:8px;display:block}
.density .cell .s{font-size:12px;color:rgba(255,255,255,.5);margin-top:2px}
/* ===== 业务板块 ===== */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.svc{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px;cursor:pointer;transition:.25s;position:relative}
.svc:hover{transform:translateY(-4px);border-color:var(--teal);box-shadow:0 12px 28px rgba(35,74,83,.10)}
.svc .ic{width:44px;height:44px;border-radius:11px;background:var(--teal-soft);display:grid;place-items:center;color:var(--teal-deep);margin-bottom:12px}
.svc h3{font-family:"Noto Serif SC",serif;font-size:16.5px;color:var(--teal-deep);display:flex;align-items:center;gap:8px}
.svc h3 em{font-style:normal;font-size:11px;font-weight:600;color:var(--amber);border:1px solid var(--amber);border-radius:999px;padding:0 8px;line-height:1.7}
.svc p{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.7}
.svc .subs{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.svc .subs span{font-size:11.5px;background:var(--paper);border:1px solid var(--line-soft);border-radius:6px;padding:2px 8px;color:var(--muted)}
/* ===== 资质精选 ===== */
.qual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.qual{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px;cursor:pointer;transition:.25s}
.qual:hover{transform:translateY(-4px);border-color:var(--amber);box-shadow:0 12px 28px rgba(192,122,62,.12)}
.qual h3{font-family:"Noto Serif SC",serif;font-size:16px;color:var(--teal-deep);display:flex;justify-content:space-between;align-items:center}
.qual h3 i{font-style:normal;font-size:12px;color:var(--amber);font-weight:600}
.qual p{font-size:13px;color:var(--muted);margin:6px 0 10px;line-height:1.6}
.qual .subs{display:flex;flex-wrap:wrap;gap:6px}
.qual .subs span{font-size:11.5px;background:var(--amber-soft);color:#8A5A2B;border-radius:6px;padding:2px 8px}
/* ===== 双栏场景 ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.split .media{border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:0 16px 36px rgba(35,74,83,.12)}
.split .media img{width:100%;height:340px;object-fit:cover}
.split h3{font-family:"Noto Serif SC",serif;font-size:24px;font-weight:900;color:var(--teal-deep);margin-bottom:14px;line-height:1.4}
.split p{color:var(--muted);font-size:14.5px;line-height:1.9}
.split .chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.split .chips span{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:5px 14px;font-size:13px;color:var(--ink)}
/* ===== 知识库 ===== */
.kb-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.kb{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;cursor:pointer;transition:.25s}
.kb:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(35,74,83,.10)}
.kb .cover{height:130px;display:grid;place-items:center;color:#fff;font-family:"Noto Serif SC",serif;font-size:20px;font-weight:900;letter-spacing:6px}
.kb .body{padding:14px 18px 16px}
.kb .meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);margin-bottom:8px}
.kb .meta .col{color:var(--teal-deep);font-weight:700}
.kb .meta .views{display:inline-flex;align-items:center;gap:4px;margin-left:auto}
.kb h3{font-size:14.5px;color:var(--ink);line-height:1.6;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
/* ===== 信任 ===== */
.trust{background:#fff;border-top:1px solid var(--line-soft)}
.trust-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.trust .certs{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.trust .cert{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:16px;text-align:center}
.trust .cert img{width:100%;height:200px;object-fit:contain;background:#fff;border-radius:8px}
.trust .cert p{font-size:12.5px;color:var(--muted);margin-top:8px}
.trust .facts{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px}
.trust .fact{background:var(--paper);border:1px solid var(--line-soft);border-radius:12px;padding:14px 16px}
.trust .fact b{font-family:"Noto Serif SC",serif;font-size:20px;color:var(--teal-deep);display:block}
.trust .fact span{font-size:13px;color:var(--muted)}
/* ===== 页脚 ===== */
.footer{background:var(--paper);border-top:1px solid var(--line);padding:44px 0 30px}
.footer .top{border-top:1px solid var(--teal);padding-top:10px;margin-bottom:22px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:26px}
.footer h4{font-family:"Noto Serif SC",serif;font-size:15px;color:var(--teal-deep);margin-bottom:12px}
.footer a{display:block;font-size:13px;color:var(--muted);padding:3px 0;transition:.15s}
.footer a:hover{color:var(--teal-deep)}
.footer .links{display:flex;flex-wrap:wrap;gap:6px}
.footer .links a{font-size:12px;border:1px solid var(--line);border-radius:999px;padding:3px 12px}
.footer .brand p{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.8}
.footer .hot{font-size:24px;font-family:"Noto Serif SC",serif;color:var(--teal-deep);font-weight:900;letter-spacing:1px}
.footer .hot span{display:block;font-size:12px;color:var(--muted);font-weight:400;letter-spacing:0}
.copy{border-top:1px solid var(--line-soft);margin-top:28px;padding-top:16px;text-align:center;font-size:12.5px;color:var(--muted)}
/* ===== 导航下拉二级 ===== */
.nav-in{max-width:1280px}
.nav-item{position:relative}
.nav-links>.nav-item>a{display:inline-flex;align-items:center;gap:4px}
.nav-item .caret{font-size:9px;opacity:.65;transition:transform .2s}
.nav-item:hover .caret{transform:rotate(180deg)}
.drop{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(10px);background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 44px rgba(35,74,83,.16);padding:10px;min-width:252px;opacity:0;visibility:hidden;transition:.22s;z-index:70}
.drop::before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px}
.drop.cols2{min-width:452px;display:grid;grid-template-columns:1fr 1fr;gap:2px}
.nav-item:hover .drop,.nav-item:focus-within .drop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.drop a{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink);padding:7px 10px;border-radius:8px;white-space:nowrap}
.drop a:hover{background:var(--teal-soft);color:var(--teal-deep)}
.drop a i{font-style:normal;font-size:10px;color:var(--amber);font-weight:700;flex:none}
/* ===== 400 热线循环特效 ===== */
.nav-hot{position:relative}
.hot-num{position:relative;display:inline-flex;align-items:center;gap:8px;padding:7px 16px 7px 13px;border:1px solid rgba(192,122,62,.45);border-radius:999px;background:linear-gradient(120deg,rgba(246,233,220,.9),rgba(255,255,255,.95));font-weight:800;letter-spacing:.5px;overflow:hidden;font-size:14px}
.hot-num::before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(192,122,62,.30) 50%,transparent 70%);background-size:250% 100%;animation:shine 2.6s linear infinite}
.hot-num::after{content:"";position:absolute;left:-70px;top:-70px;width:150px;height:150px;border-radius:50%;background:radial-gradient(circle,rgba(192,122,62,.38),transparent 70%);animation:halo 3.2s ease-in-out infinite}
.hot-num .ring{position:absolute;inset:-3px;border-radius:999px;border:1px solid rgba(192,122,62,.55);animation:ripple 2.2s ease-out infinite;pointer-events:none}
.hot-num .ring.r2{animation-delay:1.1s}
@keyframes shine{0%{background-position:0% 0}100%{background-position:250% 0}}
@keyframes halo{0%,100%{opacity:.15;transform:scale(.9)}50%{opacity:.7;transform:scale(1.18)}}
@keyframes ripple{0%{transform:scale(.92);opacity:.95}75%{transform:scale(1.1);opacity:0}100%{opacity:0}}
/* ===== 创业一站式套餐 ===== */
.pack{background:linear-gradient(160deg,#F7F9FA,#EAF0F1 55%,#E2EBEC)}
.pack-grid{display:grid;grid-template-columns:1.25fr .95fr;gap:34px;align-items:stretch}
.pack-items{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pack-it{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:14px 15px;display:flex;gap:11px;align-items:flex-start;transition:.22s;cursor:pointer}
.pack-it:hover{transform:translateY(-3px);border-color:var(--teal);box-shadow:0 10px 22px rgba(35,74,83,.09)}
.pack-it .n{flex:none;width:30px;height:30px;border-radius:9px;background:var(--amber-soft);color:#8A5A2B;font-family:"Noto Serif SC",serif;font-weight:900;font-size:14px;display:grid;place-items:center}
.pack-it h4{font-size:14.5px;color:var(--teal-deep);font-weight:700}
.pack-it p{font-size:12.5px;color:var(--muted);margin-top:2px;line-height:1.55}
.pack-plans{display:flex;flex-direction:column;gap:14px}
.plan{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:19px 22px;position:relative;overflow:hidden;transition:.25s}
.plan:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(35,74,83,.10)}
.plan.hot{border-color:var(--amber)}
.plan.hot::before{content:"推荐";position:absolute;right:-28px;top:12px;background:var(--amber);color:#fff;font-size:11px;padding:3px 30px;transform:rotate(45deg);font-weight:700;letter-spacing:2px}
.plan .t{font-size:13px;color:var(--muted)}
.plan .price{font-family:"Noto Serif SC",serif;font-size:30px;font-weight:900;color:var(--teal-deep);margin:2px 0 4px;line-height:1.15}
.plan .price i{font-style:normal;font-size:14px;color:var(--amber);font-weight:700}
.plan .price em{font-style:normal;font-size:13.5px;color:var(--muted);font-weight:500}
.plan p{font-size:12.5px;color:var(--muted);line-height:1.7}
.plan .btn{width:100%;justify-content:center;margin-top:13px}
.pack-note{font-size:12px;color:var(--muted);margin-top:10px}
.assure{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.assure span{font-size:12px;background:var(--teal-soft);color:var(--teal-deep);border-radius:999px;padding:4px 13px}
/* ===== 公司转让 ===== */
.tr-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.tr{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:17px 18px;transition:.25s;position:relative;cursor:pointer}
.tr:hover{transform:translateY(-4px);border-color:var(--amber);box-shadow:0 14px 30px rgba(192,122,62,.13)}
.tr .no{font-size:11px;color:var(--muted);display:flex;justify-content:space-between;gap:8px}
.tr .no b{font-weight:600;color:var(--amber);white-space:nowrap}
.tr h3{font-family:"Noto Serif SC",serif;font-size:16.5px;color:var(--teal-deep);margin:8px 0 10px}
.tr .kv{display:grid;grid-template-columns:1fr 1fr;gap:6px 12px;font-size:12px;color:var(--muted)}
.tr .kv span{display:flex;justify-content:space-between;gap:6px}
.tr .kv span.full{grid-column:1/-1;justify-content:flex-start;flex-wrap:wrap}
.tr .kv span.full i{text-align:left}
.tr .kv span i{font-style:normal;color:var(--ink);text-align:right}
.tr .price{border-top:1px dashed var(--line);margin-top:12px;padding-top:10px;display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.tr .price b{font-family:"Noto Serif SC",serif;font-size:21px;font-weight:900;color:var(--amber)}
.tr .price span{font-size:11px;color:var(--muted)}
/* ===== 服务流程 ===== */
.flow{position:relative;overflow:hidden;background:var(--teal-deep)}
.flow::before{content:"";position:absolute;left:-140px;top:-140px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(192,122,62,.22),transparent 70%)}
.flow .sec-head h2{color:#fff}
.flow .sec-head p{color:rgba(255,255,255,.72)}
.flow-in{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;margin-top:8px}
.flow-line{position:absolute;top:34px;left:7%;right:7%;height:2px;background:linear-gradient(90deg,rgba(192,122,62,0),rgba(192,122,62,.9),rgba(192,122,62,0));overflow:hidden}
.flow-line::after{content:"";position:absolute;top:0;left:-30%;width:30%;height:100%;background:linear-gradient(90deg,transparent,#F6E9DC,transparent);animation:flowrun 2.8s linear infinite}
@keyframes flowrun{0%{left:-30%}100%{left:100%}}
.flow-step{position:relative;text-align:center;padding:0 10px}
.flow-step .dot{width:68px;height:68px;margin:0 auto;border-radius:50%;background:#fff;border:3px solid var(--amber);display:grid;place-items:center;font-family:"Noto Serif SC",serif;font-size:22px;font-weight:900;color:var(--teal-deep);position:relative;z-index:2;animation:breathe 3.4s ease-in-out infinite}
.flow-step .dot::after{content:"";position:absolute;inset:-7px;border-radius:50%;border:1.5px solid rgba(192,122,62,.5);animation:ripple 2.8s ease-out infinite}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.06)}}
.flow-step h4{color:#fff;font-size:15px;font-family:"Noto Serif SC",serif;margin-top:16px}
.flow-step p{color:rgba(255,255,255,.68);font-size:12px;line-height:1.65;margin-top:4px}
/* ===== 知识库卡片升级 ===== */
.kb .cover{height:0;padding-top:56.25%;position:relative;overflow:hidden}
.kb .cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .55s}
.kb:hover .cover img{transform:scale(1.07)}
.kb .cover .badge-col{position:absolute;left:10px;top:10px;background:rgba(34,70,75,.82);color:#fff;font-size:11.5px;padding:2px 10px;border-radius:999px;letter-spacing:1px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.kb .desc{font-size:13px;color:var(--muted);line-height:1.7;margin:8px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.kb .more{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--teal-deep);font-weight:700}
.kb .more svg{transition:transform .25s}
.kb:hover .more svg{transform:translateX(4px)}
/* ===== 页脚 ===== */
.footer .addr{font-size:13px;color:var(--muted);line-height:1.9;margin-top:8px}
.footer .qr{display:flex;gap:14px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px;margin-top:12px}
.footer .qr .qbox{width:84px;height:84px;flex:none;border:1px dashed var(--line);border-radius:8px;display:grid;place-items:center;color:var(--muted);font-size:10px;text-align:center;line-height:1.5}
.footer .qr p{font-size:12px;color:var(--muted);line-height:1.7}
.friends{border-top:1px solid var(--line-soft);margin-top:22px;padding-top:14px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.friends b{font-weight:700;color:var(--muted)}
.friends a{color:var(--muted);padding:2px 11px;border:1px solid var(--line);border-radius:999px;font-size:12px}
.friends a:hover{color:var(--teal-deep);border-color:var(--teal)}
/* ===== 动效 reveal ===== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
/* ===== 响应式 ===== */
@media (max-width:1024px){
  .nav-links{display:flex;position:absolute;top:70px;left:0;right:0;margin-left:0;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 40px rgba(35,74,83,.14);padding:0 20px;max-height:0;overflow:hidden;opacity:0;transition:max-height .32s ease,opacity .28s ease,padding .32s ease}
  .nav-links.open{max-height:80vh;overflow:auto;opacity:1;padding:12px 20px 20px}
  .nav-burger{display:inline-flex}
  .nav-item{width:100%}
  .nav-links>.nav-item>a{width:100%;justify-content:space-between}
  .drop{position:static;left:auto;transform:none;opacity:1;visibility:visible;min-width:0;box-shadow:none;border:none;background:var(--paper);border-radius:12px;margin:4px 0 6px;display:none;padding:8px}
  .drop.cols2{grid-template-columns:1fr 1fr;min-width:0}
  .nav-item.open .drop,.nav-item.open .drop.cols2,.nav-item:hover .drop,.nav-item:hover .drop.cols2{display:grid}
  .drop a{white-space:normal}
  .hero-grid{grid-template-columns:1fr;gap:32px;padding:48px 0 44px}
  .hero h1{font-size:32px}
  .hero .fig .imgwrap img{height:260px}
  .life-in{grid-template-columns:repeat(2,1fr)}
  .life .ph:nth-child(2){border-right:none}
  .life .ph{border-bottom:1px solid var(--line-soft)}
  .density-in{grid-template-columns:repeat(2,1fr)}
  .density .cell:nth-child(2){border-right:none}
  .density .cell{border-bottom:1px solid rgba(255,255,255,.1)}
  .svc-grid,.qual-grid,.kb-grid{grid-template-columns:repeat(2,1fr)}
  .split,.trust-grid{grid-template-columns:1fr}
  .pack-grid{grid-template-columns:1fr}
  .tr-grid{grid-template-columns:repeat(2,1fr)}
  .flow-in{grid-template-columns:repeat(3,1fr);gap:22px}
  .flow-line{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  section{padding:46px 0}
  .hero h1{font-size:26px}
  .hero-cta .btn{padding:11px 20px;font-size:14px}
  .svc-grid,.qual-grid,.kb-grid{grid-template-columns:1fr}
  .life-in,.density-in{grid-template-columns:1fr}
  .density .cell{border-right:none}
  .sec-head{flex-direction:column;align-items:flex-start}
  .trust .certs,.trust .facts{grid-template-columns:1fr}
  .pack-items{grid-template-columns:1fr}
  .tr-grid{grid-template-columns:1fr}
  .flow-in{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .nav-hot{font-size:12px}
  .drop.cols2{grid-template-columns:1fr}
  .nav-links a{font-size:14px;padding:9px 8px}
}

/* ===== 顶栏 ===== */
.topbar{background:#fff;border-bottom:1px solid var(--line-soft);font-size:12.5px;color:var(--muted)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;min-height:34px;gap:12px}
.topbar .links{display:flex;gap:16px;flex:none}
.topbar .links a{color:var(--muted);transition:color .2s}
.topbar .links a:hover{color:var(--teal-deep)}

/* ===== 卡片链接化 ===== */
.svc,.qual,.kb,.tr,.pack-it{display:block}