/* ============================================================
   京宝巴巴官网 · 设计系统
   深蓝主色 + 大留白 + 大图分区，全站共用
   ============================================================ */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --navy:#0a1c46; --navy-2:#0e2a63; --blue:#1a48aa; --sky:#4c84ff; --sky-soft:#eef4ff;
  --gold:#c99a3c; --gold-soft:#fbf5e8; --green:#0f8a2a;
  --ink:#151d2e; --grey:#5c6a80; --line:#e6ecf6; --bg:#f7f9fd; --white:#fff;
  --shadow:0 18px 44px rgba(10,28,70,.09); --shadow-lg:0 30px 70px rgba(10,28,70,.16);
}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.85;-webkit-font-smoothing:antialiased;overflow-x:hidden;letter-spacing:.2px}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 26px}
svg.si{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
[data-ph]{color:#c2a061;font-weight:600}
body.clean [data-ph]{display:none!important}
body.clean [data-ph-block]{display:none!important}

/* ---------- 顶栏 ---------- */
.hd{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.93);backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid rgba(230,236,246,.9)}
.hd-in{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:23px;color:var(--navy);letter-spacing:1.2px}
/* 品牌标记：蓝色渐变圆角方块 + 白「京」（与 favicon 同一套视觉） */
.brand-mark{width:42px;height:42px;flex:0 0 42px;display:grid;place-items:center;background:linear-gradient(140deg,var(--blue),var(--sky));color:#fff;border-radius:12px;font-size:21px;font-weight:800;box-shadow:0 8px 18px rgba(26,72,170,.32)}
.ft .brand-mark{width:58px;height:58px;flex:0 0 58px;font-size:28px;border-radius:15px;box-shadow:none}
.ft .brand small{font-size:11.5px;color:rgba(255,255,255,.68);letter-spacing:1.6px;margin-top:1px}
.brand-mark.txt{background:linear-gradient(140deg,var(--blue),var(--sky));color:#fff;border-radius:11px;font-size:19px;font-weight:700;box-shadow:0 8px 18px rgba(26,72,170,.32)}
.brand small{display:block;font-size:10.5px;font-weight:500;color:var(--grey);letter-spacing:2px;margin-top:-2px}
.menu{display:flex;gap:32px;list-style:none;font-size:15px;color:#44526b}
.menu a{position:relative;padding:8px 0;transition:color .2s}
.menu a:after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:2px;background:linear-gradient(90deg,var(--blue),var(--sky));transition:right .28s}
.menu a:hover,.menu a.active{color:var(--navy)}
.menu a:hover:after,.menu a.active:after{right:0}
.hd-cta{display:flex;align-items:center;gap:14px}
.hd-tel{font-weight:700;color:var(--navy);font-size:15px;padding:8px 14px;border-radius:999px;background:var(--sky-soft)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;border:0;cursor:pointer;transition:.24s;font-family:inherit;letter-spacing:.5px}
.btn-blue{background:linear-gradient(135deg,var(--blue),var(--sky));color:#fff;box-shadow:0 12px 26px rgba(26,72,170,.26)}
.btn-blue:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(26,72,170,.34)}
.btn-line{border:1px solid rgba(255,255,255,.5);color:#fff}
.btn-line:hover{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.8)}
.btn-ghost{border:1px solid var(--line);color:var(--blue);background:#fff}
.btn-ghost:hover{border-color:var(--sky);background:var(--sky-soft)}
.btn-sm{padding:10px 20px;font-size:14px}
.burger{display:none;background:none;border:0;color:var(--navy);cursor:pointer;padding:6px}
.burger svg{width:26px;height:26px}
.m-nav{display:none}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;overflow:hidden;background:
  radial-gradient(1100px 640px at 8% -12%,rgba(76,132,255,.40),transparent 60%),
  radial-gradient(820px 560px at 96% 112%,rgba(201,154,60,.18),transparent 62%),
  linear-gradient(152deg,#061229,var(--navy) 46%,#123c8e)}
.hero:before{content:"";position:absolute;inset:0;background-image:
  linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:70px 70px;-webkit-mask-image:radial-gradient(circle at 50% 26%,#000,transparent 76%);mask-image:radial-gradient(circle at 50% 26%,#000,transparent 76%)}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1.04fr .96fr;gap:60px;align-items:center;padding:96px 0 112px}
.kicker{display:inline-flex;align-items:center;gap:10px;padding:8px 17px;border-radius:999px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);font-size:13.5px;letter-spacing:1px}
.kicker i{width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(201,154,60,.22)}
.hero h1{margin-top:26px;font-size:clamp(32px,4.5vw,56px);line-height:1.22;font-weight:800;letter-spacing:1.6px}
.hero h1 em{font-style:normal;display:block;margin-top:6px;background:linear-gradient(96deg,#a9c7ff,#fff 62%,#ffe6b4);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{margin-top:24px;font-size:clamp(15px,1.55vw,17.5px);line-height:1.95;color:rgba(255,255,255,.82);max-width:560px}
.hero-cta{margin-top:38px;display:flex;gap:14px;flex-wrap:wrap}
.hero-facts{margin-top:44px;display:flex;flex-wrap:wrap}
.hero-facts div{padding-right:34px;margin-right:34px;border-right:1px solid rgba(255,255,255,.16)}
.hero-facts div:last-child{border:0;padding-right:0;margin-right:0}
.hero-facts b{display:block;font-size:26px;font-weight:800;color:#fff;line-height:1.25;letter-spacing:.5px}
.hero-facts span{font-size:13px;color:rgba(255,255,255,.66);letter-spacing:.6px}
.hero-art{position:relative}
.hero-art .shot{border-radius:26px;overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.14);background:#fff}
.hero-art .shot img{width:100%;height:auto;display:block}
.shot-cap{padding:14px 18px;font-size:13px;line-height:1.6;color:#4a5a72;letter-spacing:.4px;background:#fbfcff;border-top:1px solid rgba(26,72,170,.12)}
.hero-art .badge{position:static;margin-top:16px;background:#fff;color:var(--navy);border-radius:18px;padding:16px 20px;box-shadow:var(--shadow-lg);max-width:100%}
.hero-art .badge b{display:block;font-size:15px;letter-spacing:.5px}
.hero-art .badge span{font-size:12.5px;color:var(--grey);line-height:1.7;display:block;margin-top:5px}

/* ---------- 子页头部 ---------- */
.phead{position:relative;color:#fff;padding:74px 0 84px;overflow:hidden;background:
  radial-gradient(900px 460px at 12% -30%,rgba(76,132,255,.36),transparent 62%),
  linear-gradient(150deg,#061229,var(--navy) 55%,#123c8e)}
.phead:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:70px 70px;-webkit-mask-image:radial-gradient(circle at 30% 0%,#000,transparent 72%);mask-image:radial-gradient(circle at 30% 0%,#000,transparent 72%)}
.phead-in{position:relative;z-index:2;max-width:820px}
.crumb{font-size:13.5px;color:rgba(255,255,255,.6);letter-spacing:.6px}
.crumb a:hover{color:#fff}
.phead h1{margin-top:14px;font-size:clamp(28px,4vw,46px);font-weight:800;letter-spacing:1.2px;line-height:1.3}
.phead p{margin-top:18px;font-size:clamp(15px,1.5vw,17px);color:rgba(255,255,255,.8);max-width:720px}

/* ---------- 信任条 ---------- */
.trust{background:#fff;margin-top:-56px;position:relative;z-index:6}
.trust-in{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}
.trust-item{padding:28px 24px;display:flex;align-items:center;gap:14px;border-right:1px solid var(--line)}
.trust-item:last-child{border-right:0}
.trust-item .ti{width:44px;height:44px;flex:0 0 44px;border-radius:13px;background:var(--sky-soft);color:var(--blue);display:grid;place-items:center}
.trust-item b{display:block;font-size:15.5px;color:var(--navy)}
.trust-item span{font-size:12.5px;color:var(--grey)}

/* ---------- 通用区块 ---------- */
section{padding:94px 0}
.bg-soft{background:var(--bg)}
.bg-navy{background:linear-gradient(160deg,#061229,var(--navy) 52%,#123c8e);color:#fff}
.head{max-width:800px;margin:0 auto 54px;text-align:center}
.head .tag{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:var(--sky-soft);color:var(--blue);font-size:12.5px;font-weight:700;letter-spacing:1.6px;margin-bottom:18px}
.head h2{font-size:clamp(25px,3.2vw,37px);font-weight:800;line-height:1.4;letter-spacing:1px}
.head p{margin-top:18px;color:var(--grey);font-size:16px;line-height:1.95}
.bg-navy .head p{color:rgba(255,255,255,.76)}
.bg-navy .head .tag{background:rgba(255,255,255,.12);color:#cfe0ff}
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split.rev .txt{order:2}
.txt .num{font-size:12.5px;color:var(--sky);font-weight:800;letter-spacing:2.4px}
.txt h2{margin-top:12px;font-size:clamp(23px,2.9vw,33px);font-weight:800;line-height:1.45;letter-spacing:.8px}
.txt h3{margin-top:20px;font-size:18.5px;font-weight:800;letter-spacing:.5px}
.txt p{margin-top:18px;color:var(--grey);font-size:15.5px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{padding:9px 16px;border-radius:10px;background:#fff;border:1px solid var(--line);color:var(--blue);font-size:13.5px;font-weight:600}
.li-list{margin-top:26px;display:grid;gap:20px}
.li{display:flex;gap:15px;align-items:flex-start}
.li .ic{flex:0 0 40px;width:40px;height:40px;border-radius:12px;background:var(--sky-soft);color:var(--blue);display:grid;place-items:center}
.li b{display:block;font-size:16px;letter-spacing:.4px}
.li span{font-size:14.5px;color:var(--grey)}
.visual{border-radius:22px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:#fff}
.visual img{width:100%;height:auto}
.visual-cap{padding:16px 20px;font-size:14.5px;color:#4a5a72;border-top:1px solid var(--line);letter-spacing:.4px;background:#fbfcff}
/* 横行通栏图：整幅宽度、限制高度，避免把列高撑歪 */
.visual-wide img{width:100%;height:300px;object-fit:cover;object-position:center 32%}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cards.c4{grid-template-columns:repeat(4,1fr);gap:22px}
.cards.c2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px 28px;transition:.26s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px);border-color:#c9dcff;box-shadow:var(--shadow)}
.card .ic{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;background:var(--sky-soft);color:var(--blue);margin-bottom:20px}
.card h3{font-size:19px;margin-bottom:12px;letter-spacing:.5px}
.card p{font-size:14.5px;color:var(--grey)}
.card .kv{margin-top:16px;display:grid;gap:9px;font-size:14px;color:var(--grey)}
.card .kv i{font-style:normal;color:var(--navy);font-weight:700}
.card ul{margin-top:16px;list-style:none;font-size:14px;color:var(--grey);display:grid;gap:9px}
.card li{padding-left:18px;position:relative;line-height:1.75}
.card li:before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--sky)}
.bg-navy .card{background:rgba(255,255,255,.055);border-color:rgba(255,255,255,.14);color:#fff}
.bg-navy .card p,.bg-navy .card li,.bg-navy .card .kv{color:rgba(255,255,255,.72)}
.bg-navy .card .ic{background:rgba(255,255,255,.10);color:#a9c7ff}
.bg-navy .card .kv i{color:#fff}
.bg-navy .card li:before{background:var(--gold)}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px 26px}
.step:before{counter-increment:s;content:"0" counter(s);font-size:13.5px;font-weight:800;color:var(--sky);letter-spacing:2px}
.step h3{margin:14px 0 10px;font-size:17px;letter-spacing:.4px}
.step p{font-size:14px;color:var(--grey)}

/* 提示 / 合规说明 */
.note{margin-top:26px;padding:20px 22px;border-radius:16px;background:var(--gold-soft);border:1px solid #efe0c0;color:#7a5a18;font-size:14.5px;line-height:1.85}
.note b{color:#5f4610}
.note.blue{background:var(--sky-soft);border-color:#d7e4fb;color:#2b4a86}
.note.blue b{color:#1c3768}

/* FAQ */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:14px}

/* ===== GEO 结构化区块：问答 / 资讯文章（大模型可直接抽取） ===== */
.hero h1.geo{font-size:clamp(26px,3.4vw,42px);letter-spacing:1.2px}
.hero h1.geo em{font-size:clamp(19px,2.1vw,27px);margin-top:12px;letter-spacing:.6px;line-height:1.45}
.hero .lead.geo{max-width:640px}
.qa-list{max-width:900px;margin:0 auto;display:grid;gap:14px}
.qa{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 26px}
.qa h3{font-size:17px;line-height:1.6;margin-bottom:10px;letter-spacing:.3px}
.qa p{font-size:14.5px;color:var(--grey);line-height:1.9}
.qa h3 a{color:var(--navy)}
.qa h3 a:hover{color:var(--blue)}
.article{max-width:820px;margin:0 auto;font-size:16px;line-height:2;color:#33415c}
.article h2{font-size:22px;font-weight:800;color:var(--navy);margin:36px 0 14px;letter-spacing:.4px}
.article h3{font-size:17.5px;font-weight:700;color:var(--navy);margin:26px 0 10px}
.article p{margin:12px 0}
.article ul{margin:12px 0 16px;padding-left:22px}
.article li{margin:8px 0;list-style:disc}
.article strong{color:var(--navy)}
.post-tags{margin-top:26px;font-size:14px;color:var(--blue);letter-spacing:.4px}
@media(max-width:860px){.qa{padding:20px}.article{font-size:15.5px}}
details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0;overflow:hidden;transition:.24s}
details[open]{border-color:#c9dcff;box-shadow:var(--shadow)}
summary{cursor:pointer;list-style:none;padding:22px 26px;font-size:16.5px;font-weight:700;color:var(--navy);display:flex;align-items:flex-start;gap:14px;letter-spacing:.3px}
summary::-webkit-details-marker{display:none}
summary:before{content:"Q";flex:0 0 28px;height:28px;border-radius:9px;background:var(--sky-soft);color:var(--blue);display:grid;place-items:center;font-size:14px;font-weight:800}
summary:after{content:"+";margin-left:auto;color:var(--sky);font-size:22px;font-weight:400;line-height:1}
details[open] summary:after{content:"–"}
.ans{padding:0 26px 24px 68px;color:var(--grey);font-size:15px;position:relative}
.ans:before{content:"A";position:absolute;left:26px;top:1px;width:28px;height:28px;border-radius:9px;background:#eaf9ee;color:var(--green);display:grid;place-items:center;font-size:14px;font-weight:800}

/* 表格 */
.tbl{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;font-size:14.5px}
.tbl th,.tbl td{padding:18px 22px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{background:var(--sky-soft);color:var(--navy);font-weight:700;font-size:14.5px;letter-spacing:.4px}
.tbl tr:last-child td{border-bottom:0}
.tbl td:first-child{font-weight:700;color:var(--navy);width:180px}

.card .kv a{color:var(--blue);border-bottom:1px solid rgba(26,72,170,.28)}
.card .kv a:hover{color:var(--sky);border-color:var(--sky)}

/* 创始人名片 */
.bizcard{margin-top:22px;padding:20px 22px;border-radius:16px;background:linear-gradient(140deg,#f4f8ff,#eef4ff);border:1px solid #dbe6fb}
.bizcard-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.bizcard-name{font-size:19px;font-weight:800;color:var(--navy);letter-spacing:1px}
.bizcard-badge{font-size:12px;font-weight:700;color:#8a5b12;background:var(--gold-soft);border:1px solid #efe0c0;border-radius:999px;padding:3px 10px}
.bizcard-org{margin-top:8px;font-size:13.5px;color:var(--grey)}
.bizcard-line{margin-top:8px;font-size:13.5px;color:var(--grey)}
.bizcard-line a{color:var(--blue);font-weight:600;border-bottom:1px solid rgba(26,72,170,.28)}
.bizcard-line a:hover{color:var(--sky)}

/* 二维码 */
.qr-wrap{margin-top:22px;text-align:center}
.qr-img{width:100%;max-width:230px;height:auto;margin:0 auto;display:block;border-radius:14px;border:1px solid var(--line);background:#fff}
.qr-tip{margin-top:10px;font-size:12.5px;color:var(--grey)}
.ft-qr-img{width:96px;height:auto;display:block;border-radius:12px;background:#fff;padding:6px}

/* 名片 + 二维码 并排，消掉二维码旁的大片空白 */
.card-split{display:grid;grid-template-columns:1fr 128px;gap:22px;align-items:center;margin-top:22px}
.card-split .bizcard{margin-top:0;padding:18px 20px}
.qr-mini{text-align:center}
.qr-mini .qr-img{width:128px;max-width:100%;border-radius:12px;border:1px solid var(--line);background:#fff;display:block;margin:0 auto}
.qr-mini .qr-tip{margin-top:8px;font-size:12px;line-height:1.5}

/* ---------- 页脚 ---------- */
footer{background:#050f26;color:rgba(255,255,255,.7);padding:68px 0 28px;font-size:14px}
.ft{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.1fr;gap:40px}
footer h4{color:#fff;font-size:15.5px;margin-bottom:18px;letter-spacing:1.2px}
footer .brand{color:#fff;margin-bottom:16px}
footer p{margin-top:11px}
footer a:hover{color:#fff}
.ft-qr{width:122px;height:122px;border-radius:14px;background:rgba(255,255,255,.07);border:1px dashed rgba(255,255,255,.28);display:grid;place-items:center;font-size:12px;text-align:center;color:rgba(255,255,255,.6);padding:10px;line-height:1.9}
.ft-bot{margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55)}
.ft-bot a{color:rgba(255,255,255,.7)}
.ft-nav{display:flex;gap:18px;flex-wrap:wrap}

/* ---------- 表单 ---------- */
.join{display:grid;grid-template-columns:1.02fr .98fr;gap:46px;align-items:start}
form{background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:var(--shadow)}
.fld{margin-bottom:18px}
.fld label{display:block;font-size:13.5px;color:var(--grey);margin-bottom:9px}
.fld input,.fld select,.fld textarea{width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:12px;font-size:15px;font-family:inherit;background:#fbfcfe;transition:.18s;color:var(--ink)}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:0;border-color:var(--sky);background:#fff;box-shadow:0 0 0 4px rgba(76,132,255,.13)}
.fld.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.tip{font-size:12.5px;color:#98a4b8;margin-top:14px;text-align:center;line-height:1.7}
.ok{display:none;margin-top:16px;padding:14px 16px;border-radius:12px;background:#eaf9ee;color:#0f7a22;font-size:14px}

/* ---------- 滚动浮现（默认可见；仅 JS 可用时才隐藏→浮现，避免 JS 失效白屏） ---------- */
.rv{opacity:1;transform:none}
html.js .rv{opacity:0;transform:translateY(28px);transition:opacity .75s cubic-bezier(.2,.7,.3,1),transform .75s cubic-bezier(.2,.7,.3,1)}
html.js .rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html.js .rv{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* clean 模式：占位内容隐藏后页脚仍为 4 列（品牌 / 导航 / 导航 / 联系信息+二维码） */

/* ---------- 响应式 ---------- */
@media(max-width:1000px){
  .hero-in,.split,.join{grid-template-columns:1fr;gap:36px}
  .split.rev .txt{order:0}
  .cards,.cards.c4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .trust-in{grid-template-columns:repeat(2,1fr)}
  .trust-item:nth-child(2){border-right:0}
  .trust-item:nth-child(1),.trust-item:nth-child(2){border-bottom:1px solid var(--line)}
  .menu,.hd-tel{display:none}
  .burger{display:block}
  .ft{grid-template-columns:1fr 1fr}
  section{padding:66px 0}
  .hero-in{padding:70px 0 86px}
  .tbl td:first-child{width:130px}
}
@media(max-width:600px){
  .cards,.cards.c4,.cards.c2,.steps{grid-template-columns:1fr}
  .trust-in{grid-template-columns:1fr}
  .trust-item{border-right:0;border-bottom:1px solid var(--line)}
  .fld.two{grid-template-columns:1fr}
  .ft{grid-template-columns:1fr}
  .hero-art .badge{left:12px}
  .hero-facts div{border:0;padding-right:0;margin-right:26px}
  .ans{padding-left:26px}
  .ans:before{position:static;display:inline-grid;margin-right:8px;vertical-align:middle}
  .tbl th,.tbl td{padding:14px 16px}
  .tbl td:first-child{width:auto}
}