/* ============================================================
   快连官网 · 第五套模板「FlexStart 蓝紫」全站样式
   依据参考模板（BootstrapMade FlexStart 中文演示版）复刻：
   白底 + 蓝紫 #4154f1 + 胶囊标签 + 2.5D 插画位 + 多彩图标卡
   ============================================================ */

/* ---------- 设计令牌 ---------- */
:root {
    --primary: #4154f1;
    --primary-dark: #3145e0;
    --primary-soft: #eceefe;
    --navy: #012970;
    --ink: #0a1e4a;
    --body: #4a5568;
    --muted: #8ba0b8;
    --bg: #ffffff;
    --bg-soft: #f6f9ff;
    --line: #e6ecf5;
    --radius: 14px;
    --shadow: 0 8px 24px rgba(1, 41, 112, .08);
    --shadow-lg: 0 18px 46px rgba(1, 41, 112, .14);
    --c1: #47b2e4;  /* 天蓝 */
    --c2: #ffa95e;  /* 橙 */
    --c3: #0dcaf0;  /* 青 */
    --c4: #ff6ec7;  /* 品红 */
    --c5: #8a2be2;  /* 紫 */
    --c6: #71c55d;  /* 绿 */
    --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
}

/* ---------- 基础 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--bg); color: var(--body); line-height: 1.75; -webkit-font-smoothing: antialiased; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
section { scroll-margin-top: 84px; }

/* ---------- 导航 ---------- */
.navbar { background: #fff; position: sticky; top: 0; z-index: 100; padding: 14px 0; border-bottom: 1px solid transparent; transition: box-shadow .2s; }
.navbar.scrolled { box-shadow: 0 8px 24px rgba(1,41,112,.08); border-bottom-color: var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.4rem; font-weight: 700; color: var(--navy); }
.logo .logo-lines { display: inline-flex; flex-direction: column; gap: 4px; }
.logo .logo-lines i { display: block; height: 3px; border-radius: 2px; background: var(--primary); }
.logo .logo-lines .l1 { width: 26px; } .logo .logo-lines .l2 { width: 18px; } .logo .logo-lines .l3 { width: 10px; }
.logo em { font-style: normal; color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a { display: inline-block; padding: 10px 14px; font-size: .94rem; color: var(--body); font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--primary); }
.nav-links a.active { color: var(--primary); }
.btn-primary { display: inline-flex; align-items: center; gap: 8px; background: var(--primary); color: #fff; border: none; border-radius: 8px; padding: 12px 28px; font-size: .95rem; font-weight: 600; cursor: pointer; transition: background .2s, transform .2s, box-shadow .2s; box-shadow: 0 6px 16px rgba(65, 84, 241, .3); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn-nav { padding: 9px 24px; font-size: .9rem; margin-left: 8px; }
.burger { display: none; background: none; border: none; font-size: 1.4rem; color: var(--navy); cursor: pointer; }

/* ---------- Hero ---------- */
.hero { background: linear-gradient(180deg, #f0f4ff 0%, #ffffff 100%); padding: 76px 0 64px; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; top: -120px; right: -80px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(65,84,241,.10), transparent 65%); }
.hero::after { content: ""; position: absolute; bottom: -140px; left: -100px; width: 380px; height: 380px; border-radius: 50%; background: radial-gradient(circle, rgba(71,178,228,.12), transparent 65%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; position: relative; z-index: 1; }
.hero h1 { font-size: 2.7rem; font-weight: 800; color: var(--navy); line-height: 1.25; margin-bottom: 16px; letter-spacing: -.5px; }
.hero-sub { font-size: 1.02rem; color: var(--body); max-width: 520px; margin-bottom: 28px; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; margin-bottom: 26px; }
.btn-play { display: inline-flex; align-items: center; gap: 10px; color: var(--navy); font-weight: 600; font-size: .95rem; }
.btn-play .play-ic { width: 40px; height: 40px; border-radius: 50%; border: 2px solid var(--primary); color: var(--primary); display: inline-flex; align-items: center; justify-content: center; font-size: .85rem; transition: background .2s, color .2s; }
.btn-play:hover .play-ic { background: var(--primary); color: #fff; }
.hero-link { font-size: .9rem; color: var(--primary); font-weight: 600; }
.hero-illus { position: relative; }
.illus-box { border-radius: 20px; background: linear-gradient(160deg, #eef2ff 0%, #e3ecff 100%); border: 1px solid rgba(65,84,241,.12); aspect-ratio: 4/3; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; color: var(--primary); box-shadow: var(--shadow); position: relative; }
.illus-box .ib-big { width: 96px; height: 96px; border-radius: 26px; background: linear-gradient(140deg, #4154f1, #7a8cff); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 2.4rem; box-shadow: 0 18px 40px rgba(65,84,241,.4); }
.illus-box .ib-t { font-size: 1rem; font-weight: 700; color: var(--navy); }
.illus-float { position: absolute; background: #fff; border-radius: 12px; box-shadow: var(--shadow-lg); padding: 10px 14px; display: flex; align-items: center; gap: 8px; font-size: .8rem; color: var(--body); }
.illus-float.f1 { top: -16px; left: -10px; }
.illus-float.f2 { bottom: 24px; right: -14px; }
.illus-float .ff-ic { width: 30px; height: 30px; border-radius: 8px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: .8rem; }
.ff-blue { background: var(--c1); } .ff-green { background: var(--c6); } .ff-pink { background: var(--c4); }

/* ---------- 区块通用 ---------- */
.section { padding: 70px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 42px; }
.section-label { display: inline-block; background: var(--primary-soft); color: var(--primary); font-size: .8rem; font-weight: 700; padding: 7px 20px; border-radius: 999px; margin-bottom: 12px; }
.section-title { font-size: 2rem; font-weight: 700; color: var(--navy); letter-spacing: -.4px; }
.section-intro { color: var(--body); margin-top: 10px; font-size: .97rem; }

/* ---------- 双栏（About） ---------- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; }
.tc-text h2 { font-size: 1.8rem; font-weight: 700; color: var(--navy); margin-bottom: 14px; letter-spacing: -.3px; line-height: 1.4; }
.tc-text p { color: var(--body); font-size: .96rem; line-height: 1.95; margin-bottom: 12px; }
.btn-more { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-weight: 600; font-size: .92rem; margin-top: 8px; }
.tc-visual { border-radius: 18px; background: linear-gradient(160deg, #eef2ff, #e3ecff); aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 3.2rem; box-shadow: var(--shadow); }

/* ---------- 价值观 3 卡 ---------- */
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 34px 28px; text-align: center; border: 1px solid var(--line); transition: transform .25s, box-shadow .25s; }
.value-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.value-card .v-illus { width: 96px; height: 96px; margin: 0 auto 18px; border-radius: 22px; display: flex; align-items: center; justify-content: center; font-size: 2rem; color: #fff; }
.vi-1 { background: linear-gradient(140deg, #47b2e4, #2b8fd0); }
.vi-2 { background: linear-gradient(140deg, #ff9a62, #ff6e4a); }
.vi-3 { background: linear-gradient(140deg, #71c55d, #4ba53c); }
.value-card h3 { font-size: 1.12rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.value-card p { font-size: .9rem; color: var(--body); line-height: 1.85; }

/* ---------- 数据条 ---------- */
.stats-bar { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--line); padding: 26px 10px; display: grid; grid-template-columns: repeat(4, 1fr); }
.stats-bar .sb { text-align: center; padding: 10px 6px; }
.stats-bar .sb-ic { font-size: 1.4rem; margin-bottom: 6px; }
.stats-bar .sb-num { font-size: 2rem; font-weight: 800; color: var(--ink); line-height: 1.2; }
.stats-bar .sb-lbl { font-size: .8rem; color: var(--muted); }

/* ---------- 功能 2×3 对勾卡（左插画） ---------- */
.feat-split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; }
.feat-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.feat-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); padding: 16px 18px; display: flex; align-items: center; gap: 12px; font-weight: 600; color: var(--navy); font-size: .95rem; transition: transform .2s, box-shadow .2s; }
.feat-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.feat-item .fi-ic { flex-shrink: 0; width: 34px; height: 34px; border-radius: 8px; background: var(--primary-soft); color: var(--primary); display: flex; align-items: center; justify-content: center; }

/* ---------- 功能详解 3×2（蓝图标 + 描述） ---------- */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.detail-item { display: flex; gap: 16px; padding: 14px 6px; }
.detail-item .d-ic { flex-shrink: 0; width: 46px; height: 46px; border-radius: 12px; background: var(--primary-soft); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 1.15rem; }
.detail-item h3 { font-size: 1.05rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.detail-item p { font-size: .88rem; color: var(--body); line-height: 1.8; }

/* ---------- 服务 3×2 彩色卡 ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 30px 26px 24px; text-align: center; border-bottom: 3px solid transparent; transition: transform .25s, box-shadow .25s, border-color .25s; position: relative; overflow: hidden; }
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-bottom-color: var(--sc); }
.service-card .sv-ic { width: 60px; height: 60px; margin: 0 auto 16px; border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--sc); background: var(--sc-soft); }
.service-card h3 { font-size: 1.12rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.service-card p { font-size: .89rem; color: var(--body); line-height: 1.85; margin-bottom: 12px; }
.service-card .sv-more { font-size: .85rem; color: var(--sc); font-weight: 600; }

/* ---------- 定价 4 卡 ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.price-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px 22px; text-align: center; position: relative; transition: transform .25s, box-shadow .25s; }
.price-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.price-card .p-ribbon { position: absolute; top: 22px; right: -36px; transform: rotate(45deg); background: var(--primary); color: #fff; font-size: .7rem; font-weight: 700; padding: 5px 40px; }
.price-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--navy); }
.price-card .p-price { font-size: 1.7rem; font-weight: 800; color: var(--navy); margin: 10px 0 4px; }
.price-card .p-price small { font-size: .8rem; color: var(--muted); font-weight: 400; }
.price-card .p-ic { font-size: 2rem; margin: 10px 0 12px; }
.price-card ul { margin-bottom: 18px; }
.price-card ul li { font-size: .85rem; color: var(--body); padding: 5px 0; }
.price-card ul li.off { color: #c3cbd6; }
.btn-outline-pill { display: inline-block; border: 1.5px solid var(--primary); color: var(--primary); border-radius: 999px; padding: 9px 30px; font-weight: 600; font-size: .88rem; transition: background .2s, color .2s; }
.btn-outline-pill:hover { background: var(--primary); color: #fff; }

/* ---------- FAQ 双栏手风琴 ---------- */
.faq-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 44px; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q { width: 100%; background: none; border: none; text-align: left; padding: 18px 0; font-size: .98rem; font-weight: 600; color: var(--ink); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px; font-family: inherit; }
.faq-q i { color: var(--primary); transition: transform .25s; font-size: .85rem; }
.faq-item.open .faq-q { color: var(--primary); }
.faq-item.open .faq-q i { transform: rotate(90deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-inner { padding: 0 0 16px; color: var(--body); font-size: .92rem; line-height: 1.9; }

/* ---------- 平台图网格（作品集式） ---------- */
.plat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.plat-tile { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3; box-shadow: var(--shadow); cursor: pointer; }
.plat-tile .pt-bg { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; color: #fff; font-size: 2.2rem; transition: transform .3s; }
.pt-1 { background: linear-gradient(140deg, #47b2e4, #2b7fc0); }
.pt-2 { background: linear-gradient(140deg, #4154f1, #6a5cff); }
.pt-3 { background: linear-gradient(140deg, #71c55d, #3f9a3a); }
.pt-4 { background: linear-gradient(140deg, #ff9a62, #ff5e3a); }
.pt-5 { background: linear-gradient(140deg, #ff6ec7, #d93a9b); }
.pt-6 { background: linear-gradient(140deg, #0dcaf0, #0a8bb8); }
.plat-tile:hover .pt-bg { transform: scale(1.06); }
.plat-tile .pt-name { font-size: .92rem; font-weight: 700; }
.plat-tile .pt-ov { position: absolute; inset: 0; background: rgba(1,41,112,.55); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity .25s; color: #fff; font-size: .9rem; font-weight: 600; }
.plat-tile:hover .pt-ov { opacity: 1; }

/* ---------- 承诺引言卡 ---------- */
.promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.promise-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--line); padding: 26px 26px 20px; position: relative; }
.promise-card .p-q { position: absolute; top: 14px; right: 18px; font-size: 2.6rem; color: var(--primary-soft); font-family: Georgia, serif; line-height: 1; }
.promise-card .p-stars { color: #ffb800; font-size: .85rem; margin-bottom: 10px; letter-spacing: 2px; }
.promise-card .p-text { font-size: .92rem; color: var(--body); font-style: italic; line-height: 1.9; margin-bottom: 14px; }
.promise-card .p-who { display: flex; align-items: center; gap: 10px; }
.promise-card .p-ava { width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: .85rem; }
.pa-1 { background: var(--c1); } .pa-2 { background: var(--c5); } .pa-3 { background: var(--c4); }
.promise-card .p-name { font-weight: 700; color: var(--navy); font-size: .9rem; font-style: normal; }
.promise-card .p-role { font-size: .78rem; color: var(--muted); font-style: normal; }

/* ---------- 里程碑 ---------- */
.mile-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.mile-item { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--line); padding: 22px 20px; }
.mile-item .m-date { display: inline-block; background: var(--primary-soft); color: var(--primary); font-size: .76rem; font-weight: 700; padding: 4px 12px; border-radius: 999px; margin-bottom: 10px; }
.mile-item h3 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.mile-item p { font-size: .84rem; color: var(--body); line-height: 1.8; }

/* ---------- 联系 ---------- */
.contact-top { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 28px; }
.contact-box { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--line); padding: 22px; display: flex; gap: 14px; align-items: flex-start; }
.contact-box .cb-ic { flex-shrink: 0; width: 42px; height: 42px; border-radius: 10px; background: var(--primary-soft); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.contact-box h4 { font-size: .85rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.contact-box p { font-size: .88rem; color: var(--body); }
.contact-form { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--line); padding: 30px; }
.contact-form .cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.contact-form label { display: block; font-size: .8rem; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.contact-form input, .contact-form textarea { width: 100%; border: 1px solid var(--line); border-radius: 8px; padding: 11px 14px; font-size: .93rem; color: var(--ink); outline: none; font-family: inherit; background: #fff; transition: border-color .2s; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--primary); }
.contact-form textarea { resize: vertical; min-height: 110px; margin-bottom: 18px; }

/* ---------- 页脚（深色） ---------- */
.footer { background: #0b1d3a; color: rgba(255,255,255,.72); padding: 54px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer .f-logo { display: flex; align-items: center; gap: 10px; font-size: 1.3rem; font-weight: 700; color: #fff; margin-bottom: 12px; }
.footer .f-logo .logo-lines i { background: var(--primary); }
.footer .f-logo em { color: #7a8cff; font-style: normal; }
.footer .f-about { font-size: .88rem; line-height: 1.9; max-width: 300px; }
.footer h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; }
.footer .f-col li { margin-bottom: 9px; }
.footer .f-col a { font-size: .88rem; transition: color .2s; }
.footer .f-col a:hover { color: #7a8cff; }
.footer .f-contact li { display: flex; gap: 8px; align-items: center; font-size: .85rem; margin-bottom: 8px; }
.footer .f-contact i { color: #7a8cff; width: 16px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; padding: 20px 0 24px; font-size: .8rem; }
.footer-bottom a { color: rgba(255,255,255,.6); }
.footer-bottom a:hover { color: #7a8cff; }
.footer-bottom .fb-social { display: flex; gap: 10px; }
.footer-bottom .fb-social a { width: 34px; height: 34px; border-radius: 50%; border: 1px solid rgba(255,255,255,.18); display: flex; align-items: center; justify-content: center; font-size: .85rem; transition: background .2s, border-color .2s; }
.footer-bottom .fb-social a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------- 返回顶部 ---------- */
.back-top { position: fixed; bottom: 28px; right: 28px; width: 44px; height: 44px; border-radius: 10px; border: none; background: var(--primary); color: #fff; font-size: 1rem; cursor: pointer; box-shadow: 0 10px 24px rgba(65,84,241,.4); display: none; align-items: center; justify-content: center; z-index: 90; }
.back-top:hover { background: var(--primary-dark); }

/* ---------- 子页 ---------- */
.page-hero { background: linear-gradient(180deg, #f0f4ff 0%, #ffffff 100%); padding: 54px 0 42px; }
.page-hero .crumb { font-size: .8rem; color: var(--muted); margin-bottom: 12px; }
.page-hero .crumb a:hover { color: var(--primary); }
.page-hero h1 { font-size: 2.15rem; font-weight: 800; color: var(--navy); letter-spacing: -.4px; margin-bottom: 12px; }
.page-hero h1 .hl { color: var(--primary); }
.page-hero p { color: var(--body); max-width: 680px; font-size: .97rem; line-height: 1.95; }
.spec-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.spec-table th, .spec-table td { padding: 14px 18px; text-align: left; font-size: .9rem; border-bottom: 1px solid var(--line); }
.spec-table thead th { background: var(--navy); color: #fff; }
.spec-table tbody tr:nth-child(even) { background: var(--bg-soft); }
.guide-block { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px 30px; margin-bottom: 18px; }
.guide-block h3 { font-size: 1.12rem; font-weight: 700; color: var(--navy); margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.guide-block h3 .g-ic { width: 38px; height: 38px; border-radius: 10px; background: var(--primary-soft); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.guide-steps { counter-reset: gs; display: grid; gap: 10px; }
.guide-steps li { counter-increment: gs; display: flex; gap: 12px; font-size: .93rem; color: var(--body); line-height: 1.85; }
.guide-steps li::before { content: counter(gs, decimal-leading-zero); flex-shrink: 0; width: 34px; height: 24px; border-radius: 6px; background: var(--primary-soft); color: var(--primary); font-size: .78rem; font-weight: 700; display: flex; align-items: center; justify-content: center; margin-top: 2px; }
.news-rows { display: grid; gap: 14px; }
.news-row { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px 26px; display: grid; grid-template-columns: 120px 1fr; gap: 20px; align-items: baseline; transition: border-color .2s; }
.news-row:hover { border-color: var(--primary); }
.news-row .n-date { font-size: .8rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.news-row h3 { font-size: 1.05rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.news-row .n-sum { font-size: .88rem; color: var(--body); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
    .hero-grid, .two-col, .feat-split { grid-template-columns: 1fr; gap: 40px; }
    .values-grid, .services-grid, .pricing-grid, .promise-grid, .plat-grid { grid-template-columns: 1fr 1fr; }
    .mile-grid { grid-template-columns: 1fr 1fr; }
    .contact-top { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .stats-bar { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .burger { display: block; }
    .nav-links { display: none; position: absolute; left: 0; right: 0; top: 100%; background: #fff; flex-direction: column; align-items: center; gap: 2px; padding: 12px 0 18px; border-bottom: 1px solid var(--line); box-shadow: 0 20px 40px rgba(1,41,112,.12); }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 11px 0; }
    .hero { padding: 52px 0 44px; }
    .hero h1 { font-size: 2rem; }
    .faq-2col { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: 1fr; }
    .contact-form .cf-row { grid-template-columns: 1fr; }
    .page-hero h1 { font-size: 1.7rem; }
}
@media (max-width: 480px) {
    .hero h1 { font-size: 1.65rem; }
    .hero-actions .btn-primary { width: 100%; justify-content: center; }
    .values-grid, .services-grid, .pricing-grid, .promise-grid, .plat-grid, .mile-grid, .stats-bar { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer .f-about { max-width: 100%; }
    .footer-bottom { justify-content: center; text-align: center; }
    .section { padding: 52px 0; }
    .container { padding: 0 16px; }
}