@charset "utf-8";
/* ============================================================
   云巫官网 · 科技感主题（theme.css）
   在 index.css 之后加载，仅作用于新的语义化类名，不影响旧页面结构
   ============================================================ */

:root{
    --blue-900:#061A3F;
    --blue-800:#0A2E6B;
    --blue-700:#0B4FD8;
    --blue-600:#0A73F5;
    --blue-500:#1E90FF;
    --cyan-400:#38C6FF;
    --ink:#0F172A;
    --text:#334155;
    --muted:#64748B;
    --line:#E6EDF7;
    --soft:#F5F9FF;
    --grad:linear-gradient(120deg,#0A73F5 0%,#1E90FF 45%,#38C6FF 100%);
    --grad-deep:linear-gradient(120deg,#062A63 0%,#0B4FD8 55%,#1E9BFF 100%);
    --shadow-s:0 6px 20px rgba(13,60,140,.06);
    --shadow-m:0 16px 40px rgba(13,60,140,.10);
    --shadow-l:0 28px 60px rgba(13,60,140,.16);
    --radius:18px;
}

*{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
    margin:0;
    padding-top:76px;
    background:#fff;
    color:var(--text);
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    -webkit-font-smoothing:antialiased;
}

body.yw-lock{ overflow:hidden; }

a{ text-decoration:none; color:inherit; }
img{ max-width:100%; }
p{ margin:0; }

.yw-container{
    width:1200px;
    max-width:calc(100% - 48px);
    margin:0 auto;
}

/* ---------------- 顶部导航 ---------------- */
.site-header{
    position:fixed;
    left:0; top:0; right:0;
    z-index:900;
    height:76px;
    background:rgba(255,255,255,.86);
    backdrop-filter:saturate(180%) blur(14px);
    -webkit-backdrop-filter:saturate(180%) blur(14px);
    border-bottom:1px solid rgba(15,23,42,.06);
    transition:box-shadow .3s ease,background .3s ease;
}
.site-header.is-scrolled{
    background:rgba(255,255,255,.96);
    box-shadow:0 8px 24px rgba(13,60,140,.08);
}
.header-inner{
    height:76px;
    display:flex;
    align-items:center;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand img{ height:44px; width:auto; display:block; }

.nav{
    display:flex;
    align-items:center;
    gap:6px;
    margin-left:56px;
}
.nav a{
    position:relative;
    display:block;
    padding:0 18px;
    line-height:76px;
    font-size:16px;
    color:#1E293B;
    transition:color .25s ease;
}
.nav a::after{
    content:"";
    position:absolute;
    left:18px; right:18px; bottom:20px;
    height:2px;
    border-radius:2px;
    background:var(--grad);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .3s cubic-bezier(.2,.7,.3,1);
}
.nav a:hover{ color:var(--blue-600); }
.nav a:hover::after,
.nav a.active::after{ transform:scaleX(1); }
.nav a.active{ color:var(--blue-600); font-weight:600; }

.header-right{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:24px;
}
.contact-info{
    display:flex;
    flex-direction:column;
    align-items:flex-end;
    gap:2px;
    font-size:13px;
    color:var(--muted);
    letter-spacing:.3px;
}
.contact-info span:first-child{ color:#475569; }

.btn-cta{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    height:42px;
    padding:0 26px;
    border-radius:10px;
    font-size:15px;
    color:#fff;
    background:var(--grad);
    box-shadow:0 10px 22px rgba(10,115,245,.28);
    transition:transform .25s ease,box-shadow .25s ease;
}
.btn-cta:hover{
    transform:translateY(-2px);
    box-shadow:0 16px 30px rgba(10,115,245,.36);
    color:#fff;
}

/* ---------------- 通用按钮 ---------------- */
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    height:52px;
    padding:0 34px;
    border-radius:12px;
    font-size:16px;
    letter-spacing:.5px;
    transition:transform .25s ease,box-shadow .25s ease,background .25s ease;
}
.btn-primary{
    color:#fff;
    background:linear-gradient(120deg,#1268F0,#1E90FF);
    box-shadow:0 14px 30px rgba(18,104,240,.38);
}
.btn-primary:hover{ transform:translateY(-3px); box-shadow:0 20px 38px rgba(18,104,240,.46); color:#fff; }
.btn-ghost{
    color:#fff;
    border:1px solid rgba(255,255,255,.55);
    background:rgba(255,255,255,.12);
    backdrop-filter:blur(6px);
}
.btn-ghost:hover{ background:rgba(255,255,255,.22); transform:translateY(-3px); color:#fff; }

/* ---------------- 首屏 ---------------- */
.hero{
    position:relative;
    overflow:hidden;
    background:linear-gradient(100deg,#0779FB 0%,#1B8BFF 32%,#3AADFE 62%,#57D7FC 100%);
    border-radius:0 0 36px 36px;
}
.hero::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:
        linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
    background-size:64px 64px;
    -webkit-mask-image:radial-gradient(circle at 60% 45%,#000 0%,transparent 78%);
    mask-image:radial-gradient(circle at 60% 45%,#000 0%,transparent 78%);
    pointer-events:none;
}
.hero::after{
    content:"";
    position:absolute;
    right:-160px; top:-180px;
    width:560px; height:560px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(255,255,255,.42) 0%,rgba(255,255,255,0) 62%);
    pointer-events:none;
}
.hero-inner{
    position:relative;
    z-index:2;
    min-height:470px;
    display:flex;
    align-items:center;
    gap:24px;
    padding:56px 0 64px;
}
.hero-copy{ width:53%; }
.hero-eyebrow{
    display:inline-flex;
    align-items:center;
    gap:10px;
    height:30px;
    padding:0 14px;
    border-radius:999px;
    border:1px solid rgba(255,255,255,.34);
    background:rgba(255,255,255,.14);
    color:#fff;
    font-size:13px;
    letter-spacing:2px;
}
.hero-eyebrow::before{
    content:"";
    width:6px; height:6px;
    border-radius:50%;
    background:#7CF4FF;
    box-shadow:0 0 10px #7CF4FF;
}
.hero-title{
    margin:22px 0 0;
    font-size:56px;
    line-height:1.16;
    font-weight:800;
    color:#fff;
    letter-spacing:2px;
    text-shadow:0 8px 26px rgba(3,40,110,.22);
}
.hero-sub{
    margin-top:20px;
    max-width:520px;
    font-size:18px;
    line-height:1.95;
    color:rgba(255,255,255,.92);
}
.hero-actions{
    margin-top:40px;
    display:flex;
    gap:16px;
    flex-wrap:wrap;
}
.hero-art{
    width:47%;
    display:flex;
    justify-content:flex-end;
    align-items:center;
}
.hero-art img{
    display:block;
    width:auto;
    max-width:100%;
    max-height:440px;
    animation:yw-float 7s ease-in-out infinite;
}
@keyframes yw-float{
    0%,100%{ transform:translateY(0); }
    50%{ transform:translateY(-14px); }
}
.hero-sm .hero-inner{ min-height:360px; padding:48px 0 56px; }
.hero-sm .hero-title{ font-size:46px; }
.hero-sm .hero-sub{ margin-top:16px; font-size:17px; }
.hero-sm .hero-art img{ max-height:360px; }

/* ---------------- 区块通用 ---------------- */
.section{ padding:92px 0; position:relative; }
.section--soft{ background:linear-gradient(180deg,#F7FBFF 0%,#FFFFFF 100%); }
.section--dots::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:radial-gradient(rgba(10,115,245,.14) 1px,transparent 1px);
    background-size:26px 26px;
    -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000,transparent 70%);
    mask-image:radial-gradient(ellipse at 50% 0%,#000,transparent 70%);
    pointer-events:none;
}
.section > .yw-container{ position:relative; z-index:1; }

.section-head{
    text-align:center;
    margin-bottom:56px;
}
.section-head .eyebrow{
    display:inline-block;
    font-size:12px;
    font-weight:700;
    letter-spacing:4px;
    text-transform:uppercase;
    color:#2E8BFF;
}
.section-head h2{
    margin:14px 0 0;
    font-size:36px;
    line-height:1.3;
    font-weight:800;
    color:var(--ink);
    letter-spacing:1px;
}
.section-head h2 em{
    font-style:normal;
    background:var(--grad);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
}
.section-head .lead{
    margin:16px auto 0;
    max-width:640px;
    font-size:16px;
    line-height:1.9;
    color:var(--muted);
}
.section-head .bar{
    width:56px; height:4px;
    border-radius:4px;
    margin:22px auto 0;
    background:var(--grad);
}

/* ---------------- 卡片 ---------------- */
.card{
    position:relative;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius);
    box-shadow:var(--shadow-s);
    transition:transform .35s cubic-bezier(.2,.7,.3,1),box-shadow .35s ease,border-color .35s ease;
}
.card:hover{
    transform:translateY(-8px);
    box-shadow:var(--shadow-l);
    border-color:rgba(30,144,255,.34);
}

.grid{ display:grid; gap:26px; }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }

/* 三大业务模块 */
.biz-card{ padding:44px 34px 38px; overflow:hidden; }
.biz-card::after{
    content:"";
    position:absolute;
    left:0; right:0; top:0;
    height:3px;
    background:var(--grad);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .4s ease;
}
.biz-card:hover::after{ transform:scaleX(1); }
.biz-num{
    font-size:40px;
    font-weight:800;
    line-height:1;
    background:linear-gradient(120deg,#CFE4FF,#8FC4FF);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
    letter-spacing:1px;
}
.biz-card h3{
    margin:20px 0 14px;
    font-size:22px;
    font-weight:700;
    color:var(--ink);
    letter-spacing:.5px;
}
.biz-card p{
    font-size:15px;
    line-height:1.95;
    color:var(--muted);
}

/* 图文左右分栏 */
.feature-row{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:70px;
    align-items:center;
    padding:52px 0;
}
.feature-row + .feature-row{ border-top:1px dashed var(--line); }
.feature-media{
    position:relative;
    border-radius:24px;
    background:linear-gradient(150deg,#EEF6FF 0%,#F7FBFF 60%,#FFFFFF 100%);
    border:1px solid var(--line);
    box-shadow:var(--shadow-s);
    padding:24px;
    display:flex;
    align-items:center;
    justify-content:center;
    min-height:300px;
    overflow:hidden;
}
.feature-media::before{
    content:"";
    position:absolute;
    left:-60px; bottom:-80px;
    width:220px; height:220px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(56,198,255,.28),transparent 68%);
}
.feature-media img{
    position:relative;
    z-index:1;
    display:block;
    max-height:330px;
    width:auto;
}
.feature-copy .eyebrow{
    display:inline-flex;
    align-items:center;
    height:28px;
    padding:0 12px;
    border-radius:8px;
    background:#EDF5FF;
    color:#1E7BE8;
    font-size:13px;
    font-weight:600;
    letter-spacing:1px;
}
.feature-copy h3{
    margin:18px 0 16px;
    font-size:30px;
    font-weight:800;
    color:var(--ink);
    letter-spacing:1px;
}
.feature-copy p{
    font-size:16px;
    line-height:2;
    color:var(--muted);
}
.feature-row.reverse .feature-media{ order:2; }

/* 模块能力分组（产品中心） */
.cap-card{ padding:40px; }
.cap-card + .cap-card{ margin-top:26px; }
.cap-head{
    display:flex;
    align-items:center;
    gap:20px;
    padding-bottom:26px;
    border-bottom:1px solid var(--line);
}
.cap-head img{
    width:132px;
    height:auto;
    display:block;
    border-radius:14px;
    background:linear-gradient(140deg,#EFF7FF,#FFFFFF);
    padding:10px;
}
.cap-head h3{
    margin:0 0 10px;
    font-size:24px;
    font-weight:800;
    color:var(--ink);
    letter-spacing:1px;
}
.cap-head p{
    font-size:15px;
    line-height:1.85;
    color:var(--muted);
}
.cap-groups{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
    gap:22px 28px;
    padding-top:28px;
}
.cap-group h4{
    margin:0 0 12px;
    font-size:15px;
    font-weight:700;
    color:var(--blue-600);
    letter-spacing:.5px;
}
.chip{
    display:inline-block;
    margin:0 8px 8px 0;
    padding:5px 13px;
    border-radius:999px;
    background:#F2F7FF;
    color:#47617F;
    font-size:13px;
    line-height:1.6;
    transition:background .25s ease,color .25s ease;
}
.chip:hover{ background:#E3EFFF; color:var(--blue-600); }

/* 核心优势 */
.adv-card{ padding:38px 30px; text-align:center; }
.adv-icon{
    width:72px; height:72px;
    margin:0 auto 22px;
    border-radius:20px;
    display:flex;
    align-items:center;
    justify-content:center;
    background:linear-gradient(150deg,#EAF4FF,#F8FCFF);
    border:1px solid #E1EFFF;
    box-shadow:inset 0 1px 0 #fff;
}
.adv-icon img{ width:38px; height:auto; display:block; }
.adv-card h3{
    margin:0 0 14px;
    font-size:19px;
    font-weight:700;
    color:var(--ink);
    letter-spacing:.5px;
}
.adv-card p{
    font-size:14px;
    line-height:1.95;
    color:var(--muted);
    text-align:left;
}

/* 全幅影像带 */
.band{
    position:relative;
    overflow:hidden;
    color:#fff;
    background-size:cover;
    background-position:center;
}
.band::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(100deg,rgba(4,28,72,.82) 0%,rgba(6,52,132,.62) 45%,rgba(10,115,245,.38) 100%);
}
.band--grad{ background:var(--grad-deep); }
.band--grad::after{
    background-image:
        radial-gradient(circle at 78% 18%,rgba(84,209,255,.34) 0%,transparent 55%),
        linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
    background-size:auto,64px 64px,64px 64px;
}
.band .yw-container{
    position:relative;
    z-index:1;
    padding:86px 0;
}
.band-center{ text-align:center; }
.band h2{
    margin:0;
    font-size:38px;
    font-weight:800;
    letter-spacing:2px;
    color:#fff;
}
.band .band-sub{
    margin-top:16px;
    font-size:17px;
    color:rgba(255,255,255,.86);
    letter-spacing:1px;
}
.band-values{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:26px;
    margin-top:54px;
}
.band-value{
    padding:30px 24px;
    border-radius:18px;
    border:1px solid rgba(255,255,255,.24);
    background:rgba(255,255,255,.10);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    text-align:center;
    transition:transform .35s ease,background .35s ease;
}
.band-value::before{
    content:"";
    display:block;
    width:28px; height:3px;
    border-radius:3px;
    margin:0 auto 16px;
    background:rgba(255,255,255,.75);
}
.band-value:hover{ transform:translateY(-6px); background:rgba(255,255,255,.16); }
.band-value h3{
    margin:0 0 10px;
    font-size:19px;
    font-weight:700;
    letter-spacing:1px;
    color:#fff;
}
.band-value p{
    font-size:14px;
    line-height:1.9;
    color:rgba(255,255,255,.82);
}

/* 产品卡片（云巫产品页） */
.product-card{
    position:relative;
    width:100%;
    margin-bottom:30px;
    background-repeat:no-repeat;
    background-size:100% 100%;
    border-radius:20px;
    overflow:hidden;
    box-shadow:var(--shadow-m);
    transition:transform .4s cubic-bezier(.2,.7,.3,1),box-shadow .4s ease;
}
.product-card:hover{
    transform:translateY(-6px);
    box-shadow:0 34px 64px rgba(13,60,140,.20);
}
.product-card1{ padding-top:25.47%; background-image:url(../images/p_shaonian.png); }
.product-card2{ padding-top:25.99%; background-image:url(../images/p_baowan.png); }
.product-card3{ padding-top:25.89%; background-image:url(../images/p_fangai.png); }
.product-info{
    position:absolute;
    left:0; top:17%;
    width:55%;
    padding-left:4.5%;
}
.product-name{
    font-size:34px;
    line-height:1.3;
    font-weight:800;
    color:#22303F;
    letter-spacing:1px;
}
.product-price{ margin-top:52px; }
.product-price .num{
    font-size:40px;
    color:#FF6600;
    font-weight:600;
    letter-spacing:.5px;
}
.product-price .unit{
    margin-left:8px;
    font-size:16px;
    color:#6B6B6B;
}

/* 价值 / 使命卡片 */
.value-card{
    position:relative;
    overflow:hidden;
    padding:42px;
}
.value-card::before{
    content:"";
    position:absolute;
    left:0; top:0; bottom:0;
    width:4px;
    background:var(--grad);
}
.value-card .k{
    margin:0 0 14px;
    font-size:13px;
    font-weight:700;
    letter-spacing:3px;
    color:#2E8BFF;
}
.value-card h3{
    margin:0 0 14px;
    font-size:26px;
    font-weight:800;
    color:var(--ink);
    letter-spacing:1px;
}
.value-card p{
    font-size:17px;
    line-height:1.9;
    color:#334155;
}

/* 合作案例 */
.case-card{
    display:grid;
    grid-template-columns:220px 1fr;
    gap:52px;
    align-items:center;
    padding:48px 54px;
    background:linear-gradient(140deg,#F4F9FF 0%,#FFFFFF 55%,#F7FBFF 100%);
    border:1px solid var(--line);
    border-radius:24px;
    box-shadow:var(--shadow-s);
}
.case-card img{ display:block; width:100%; height:auto; }
.case-card h3{
    margin:0 0 14px;
    font-size:24px;
    font-weight:800;
    color:var(--ink);
    letter-spacing:1px;
}
.case-card p{ font-size:15px; line-height:2; color:var(--muted); }

/* 需求 / 方案 双卡 */
.pair-card{ padding:44px 40px; }
.pair-card .tag{
    display:inline-flex;
    align-items:center;
    height:30px;
    padding:0 14px;
    border-radius:999px;
    font-size:13px;
    font-weight:600;
    letter-spacing:1px;
    background:#EDF5FF;
    color:#1E7BE8;
}
.pair-card .tag.warn{ background:#FFF3E8; color:#E1731A; }
.pair-card h3{
    margin:18px 0 24px;
    font-size:24px;
    font-weight:800;
    color:var(--ink);
}
.pair-item + .pair-item{
    margin-top:22px;
    padding-top:22px;
    border-top:1px dashed var(--line);
}
.pair-item h4{
    margin:0 0 8px;
    font-size:16px;
    font-weight:700;
    color:#22303F;
}
.pair-item p{ font-size:14px; line-height:1.95; color:var(--muted); }

/* ---------------- 联系与页脚 ---------------- */
.contact-band{
    position:relative;
    overflow:hidden;
    border-radius:28px;
    padding:56px 56px;
    color:#fff;
    background:var(--grad-deep);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:40px;
    flex-wrap:wrap;
}
.contact-band::before{
    content:"";
    position:absolute;
    right:-80px; top:-120px;
    width:340px; height:340px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(84,209,255,.45),transparent 66%);
}
.contact-band h2{
    position:relative;
    margin:0;
    font-size:32px;
    font-weight:800;
    letter-spacing:1px;
    color:#fff;
}
.contact-band p{
    position:relative;
    margin-top:12px;
    font-size:15px;
    color:rgba(255,255,255,.82);
    letter-spacing:.5px;
}
.contact-band .actions{ position:relative; display:flex; gap:14px; flex-wrap:wrap; }

.site-footer{
    margin-top:92px;
    background:#071224;
    color:#8FA3BF;
    padding:64px 0 0;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1.2fr;
    gap:48px;
    padding-bottom:48px;
    border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand img{ height:46px; width:auto; display:block; filter:brightness(0) invert(1); opacity:.92; }
.footer-brand p{
    margin-top:20px;
    font-size:14px;
    line-height:1.9;
    color:#7E93B0;
    max-width:300px;
}
.footer-col h4{
    margin:0 0 18px;
    font-size:15px;
    font-weight:700;
    color:#E6EEF9;
    letter-spacing:1px;
}
.footer-col a,
.footer-col p{
    display:block;
    margin-bottom:12px;
    font-size:14px;
    color:#8FA3BF;
    line-height:1.7;
    transition:color .25s ease;
}
.footer-col a:hover{ color:#59B6FF; }
.footer-bottom{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    flex-wrap:wrap;
    padding:26px 0;
    font-size:13px;
    color:#6C7F9B;
}
.footer-bottom a{ color:#6C7F9B; }
.footer-bottom a:hover{ color:#59B6FF; }
.footer-bottom .sep{ margin:0 10px; color:#33445E; }

/* ---------------- 政策/声明页 ---------------- */
.policy-wrap{ padding:64px 0 0; }
.policy-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:22px;
    box-shadow:var(--shadow-m);
    padding:56px 64px;
}
.policy-card .wangzhanziti1{
    display:block;
    margin:34px 0 12px;
    font-size:18px;
    font-weight:700;
    color:var(--ink);
    line-height:1.7;
}
.policy-card .wangzhanziti1:first-child{ margin-top:0; }
.policy-card .wangzhanziti2{
    display:block;
    margin:0 0 14px;
    font-size:15px;
    color:#4B5768;
    line-height:2.1;
    text-align:justify;
}
.policy-card .wangzhanziti2:empty{ display:none; }

/* ---------------- 弹层 ---------------- */
.yw-modal{
    position:fixed;
    inset:0;
    z-index:1200;
    display:none;
    align-items:center;
    justify-content:center;
    padding:24px;
}
.yw-modal.is-open{ display:flex; }
.yw-modal__mask{
    position:absolute;
    inset:0;
    background:rgba(4,16,38,.58);
    backdrop-filter:blur(3px);
}
.yw-modal__box{
    position:relative;
    z-index:1;
    width:420px;
    max-width:100%;
    border-radius:22px;
    background:#fff;
    box-shadow:0 40px 80px rgba(3,20,50,.34);
    padding:34px 34px 30px;
    text-align:center;
    animation:yw-pop .28s cubic-bezier(.2,.8,.3,1);
}
@keyframes yw-pop{
    from{ opacity:0; transform:translateY(14px) scale(.97); }
    to{ opacity:1; transform:none; }
}
.yw-modal__box h3{
    margin:0 0 6px;
    font-size:20px;
    font-weight:800;
    color:var(--ink);
    letter-spacing:1px;
}
.yw-modal__box .tip{
    font-size:13px;
    color:var(--muted);
    margin-bottom:22px;
}
.yw-modal__box img{
    display:block;
    width:100%;
    border-radius:12px;
}
.yw-modal__close{
    position:absolute;
    right:14px; top:14px;
    width:34px; height:34px;
    border:none;
    border-radius:50%;
    background:#F1F5FB;
    color:#64748B;
    font-size:20px;
    line-height:1;
    cursor:pointer;
    transition:background .25s ease,color .25s ease;
}
.yw-modal__close:hover{ background:#E2ECFA; color:#0F172A; }

/* ---------------- 入场动画 ---------------- */
/* 默认可见；仅在 JS 可用时（html.js）才隐藏后淡入，避免脚本失效导致内容不可见 */
.reveal{
    transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1);
    transition-delay:var(--d,0ms);
}
html.js .reveal{
    opacity:0;
    transform:translateY(28px);
}
html.js .reveal.is-in{ opacity:1; transform:none; }

@media (prefers-reduced-motion:reduce){
    html.js .reveal{ opacity:1; transform:none; transition:none; }
    .hero-art img{ animation:none; }
    html{ scroll-behavior:auto; }
}

/* ---------------- 响应式 ---------------- */
@media (max-width:1180px){
    .hero-title{ font-size:48px; }
    .footer-grid{ grid-template-columns:1fr 1fr; gap:36px; }
    .grid-4{ grid-template-columns:repeat(2,1fr); }
}

@media (max-width:1024px){
    body{ padding-top:68px; }
    .site-header,.header-inner{ height:68px; }
    .nav a{ line-height:68px; padding:0 14px; }
    .nav a::after{ bottom:16px; left:14px; right:14px; }
    .nav{ margin-left:24px; }
    .contact-info{ display:none; }
    .hero-inner{ flex-direction:column; align-items:flex-start; min-height:0; padding:52px 0 60px; }
    .hero-copy,.hero-art{ width:100%; }
    .hero-art{ justify-content:center; margin-top:36px; }
    .hero-title{ font-size:42px; }
    .section{ padding:68px 0; }
    .feature-row{ grid-template-columns:1fr; gap:36px; padding:40px 0; }
    .feature-row.reverse .feature-media{ order:0; }
    .grid-3{ grid-template-columns:repeat(2,1fr); }
    .case-card{ grid-template-columns:1fr; gap:28px; padding:36px; }
    .policy-card{ padding:40px 32px; }
    .contact-band{ padding:40px 32px; }
}

@media (max-width:720px){
    .yw-container{ max-width:calc(100% - 32px); }
    .brand img{ height:32px; }
    .nav{ margin-left:8px; gap:0; }
    .nav a{ padding:0 8px; font-size:14px; letter-spacing:0; }
    .nav a::after{ left:8px; right:8px; bottom:18px; }
    .header-right{ gap:0; }
    .btn-cta{ height:34px; padding:0 12px; font-size:13px; border-radius:8px; }
    .hero-title{ font-size:32px; letter-spacing:1px; }
    .hero-sub{ font-size:15px; }
    .hero-actions .btn{ height:46px; padding:0 24px; font-size:15px; }
    .section-head h2{ font-size:26px; }
    .grid-2,.grid-3,.grid-4,.band-values{ grid-template-columns:1fr; }
    .biz-card,.adv-card,.pair-card,.cap-card{ padding:30px 24px; }
    .cap-head{ flex-direction:column; align-items:flex-start; gap:16px; }
    .product-info{ width:70%; top:12%; }
    .product-name{ font-size:22px; }
    .product-price{ margin-top:22px; }
    .product-price .num{ font-size:26px; }
    .product-price .unit{ font-size:13px; margin-left:4px; }
    .contact-band h2{ font-size:24px; }
    .footer-grid{ grid-template-columns:1fr; gap:30px; }
    .policy-card{ padding:28px 20px; }
    .policy-card .wangzhanziti1{ font-size:16px; }
    .policy-card .wangzhanziti2{ font-size:14px; }
}