/* ========== 基础与变量 ========== */
:root{
    --bg:#f4f8fe;
    --bg-2:#eaf1fc;
    --white:#ffffff;
    --primary:#165dff;
    --primary-dark:#0e47d4;
    --cyan:#00b8ff;
    --teal:#0bbfb0;
    --purple:#6d5dfc;
    --green:#16b364;
    --navy:#0e2a66;
    --navy-2:#102f6e;
    --text:#1a2945;
    --text-2:#4c5c78;
    --text-3:#8a96ab;
    --border:#e3eaf6;
    --border-2:#d2def0;
    --grad-primary:linear-gradient(135deg,#165dff 0%,#00b8ff 100%);
    --grad-purple:linear-gradient(135deg,#6d5dfc,#165dff);
    --grad-hero:linear-gradient(180deg,#e7f0ff 0%,#f4f8fe 92%);
    --grad-cta:linear-gradient(125deg,#0b3aa8 0%,#165dff 48%,#00b8ff 100%);
    --grad-footer:linear-gradient(180deg,#0d2a66 0%,#0a1f4d 100%);
    --shadow-sm:0 2px 12px rgba(22,93,255,.06);
    --shadow:0 12px 36px rgba(22,93,255,.10);
    --shadow-lg:0 28px 66px rgba(22,93,255,.18);
    --radius:16px;
    --radius-lg:24px;
    --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
    font-family:var(--font);
    background:var(--bg);
    color:var(--text);
    line-height:1.7;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
ul,li{list-style:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
svg{display:block;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ========== 背景装饰 ========== */
.bg-decor{position:fixed;inset:0;z-index:-2;overflow:hidden;pointer-events:none;}
.bg-grid{
    position:absolute;inset:0;
    background-image:
        linear-gradient(rgba(22,93,255,.055) 1px,transparent 1px),
        linear-gradient(90deg,rgba(22,93,255,.055) 1px,transparent 1px);
    background-size:54px 54px;
    -webkit-mask-image:radial-gradient(ellipse 90% 65% at 50% 0%,#000 25%,transparent 72%);
    mask-image:radial-gradient(ellipse 90% 65% at 50% 0%,#000 25%,transparent 72%);
}
.bg-orb{position:absolute;border-radius:50%;filter:blur(100px);}
.orb-1{width:500px;height:500px;top:-170px;left:-130px;background:radial-gradient(circle,rgba(22,93,255,.20),transparent 70%);animation:drift 20s ease-in-out infinite alternate;}
.orb-2{width:440px;height:440px;top:140px;right:-160px;background:radial-gradient(circle,rgba(0,184,255,.18),transparent 70%);animation:drift 24s ease-in-out infinite alternate-reverse;}
.orb-3{width:400px;height:400px;top:1500px;left:42%;background:radial-gradient(circle,rgba(109,93,252,.14),transparent 70%);animation:drift 28s ease-in-out infinite alternate;}
@keyframes drift{
    0%{transform:translate(0,0) scale(1);}
    100%{transform:translate(60px,46px) scale(1.12);}
}

/* ========== 通用组件 ========== */
.text-rainbow{
    background:var(--grad-primary);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;color:transparent;
}
.glass-card{
    background:var(--white);
    border:1px solid var(--border);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow);
}
.eyebrow{
    display:inline-block;
    font-size:12px;letter-spacing:.26em;font-weight:700;
    color:var(--primary);
    padding:6px 15px;
    border:1px solid rgba(22,93,255,.22);
    border-radius:100px;
    background:rgba(22,93,255,.06);
    margin-bottom:20px;
}
.section{padding:108px 0;position:relative;}
.section-alt{background:var(--bg-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{text-align:center;max-width:680px;margin:0 auto 62px;}
.section-title{font-size:clamp(26px,3.4vw,40px);font-weight:800;letter-spacing:.01em;line-height:1.3;color:var(--navy);}
.section-desc{color:var(--text-2);margin-top:16px;font-size:16px;}

/* 按钮 */
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font-weight:600;font-size:15px;
    padding:12px 26px;border-radius:100px;
    transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease;
    white-space:nowrap;
}
.btn svg{width:18px;height:18px;}
.btn-sm{padding:9px 20px;font-size:14px;}
.btn-lg{padding:15px 34px;font-size:16px;}
.btn-primary{
    background:var(--grad-primary);
    background-size:160% 160%;
    color:#fff;
    box-shadow:0 10px 26px rgba(22,93,255,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(22,93,255,.45);}
.btn-outline{
    border:1px solid var(--border-2);
    color:var(--primary);
    background:var(--white);
}
.btn-outline:hover{border-color:var(--primary);background:rgba(22,93,255,.06);transform:translateY(-2px);}
.btn-ghost{color:var(--text);background:rgba(22,93,255,.06);border:1px solid var(--border-2);}
.btn-ghost:hover{background:rgba(22,93,255,.12);transform:translateY(-2px);}
.btn-white{background:#fff;color:var(--primary);box-shadow:0 12px 30px rgba(0,0,0,.2);}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(0,0,0,.28);}
.btn-light{border:1px solid rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.08);}
.btn-light:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);}

/* 滚动进入动画（仅JS可用时启用；无JS时内容默认可见） */
.js .reveal{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.22,.61,.36,1),transform .8s cubic-bezier(.22,.61,.36,1);}
.js .reveal.in{opacity:1;transform:none;}

/* ========== 导航栏（官方index2结构） ========== */
.head{
    position:fixed;top:0;left:0;right:0;z-index:998;
    background:rgba(255,255,255,.78);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-bottom:1px solid transparent;
    transition:background .3s ease;
}
.head::before{
    content:"";position:absolute;top:0;left:0;right:0;height:3px;
    background:linear-gradient(90deg,#ff5f8f,#ffb05c,#ffe45c,#3ee6a8,#43b8ff,#9b7bff);
}
.headK{max-width:1200px;margin:0 auto;padding:0 24px;height:76px;display:flex;align-items:center;}
.Logo{display:flex;align-items:center;}
.logo-link{display:flex;align-items:center;gap:11px;}
.logo-mark{width:38px;height:38px;display:flex;align-items:center;justify-content:center;border-radius:11px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-sm);}
.logo-mark svg{width:23px;height:23px;}
.logo-text{font-weight:800;font-size:19px;letter-spacing:.02em;color:var(--navy);}

.MenuPC{margin-left:auto;display:flex;align-items:center;gap:8px;}
.MenuA{
    padding:8px 15px;border-radius:100px;font-size:15px;font-weight:500;
    color:var(--text-2);transition:color .25s ease,background .25s ease;
}
.MenuA:hover,.MenuA.menu-home{color:var(--primary);background:rgba(22,93,255,.08);}
.hdLog{
    padding:9px 22px;border-radius:100px;font-size:14px;font-weight:600;
    color:var(--primary);background:#fff;border:1px solid var(--border-2);transition:.25s;
}
.hdLog:hover{border-color:var(--primary);background:rgba(22,93,255,.05);}
.hdReg{
    padding:9px 22px;border-radius:100px;font-size:14px;font-weight:600;color:#fff;
    background:var(--grad-primary);box-shadow:0 8px 20px rgba(22,93,255,.3);transition:.25s;
}
.hdReg:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(22,93,255,.42);}

.hd_nav{display:none;}
.wap_nav{display:none;}

.head.menu-on{background:var(--navy);border-bottom-color:transparent;}
.head.menu-on .logo-text{color:#fff;}
.head.menu-on .logo-mark{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2);box-shadow:none;}

/* 移动端导航（官方机制：点汉堡fadeIn全屏遮罩，层级低于头部保证X可点） */
@media (max-width:800px){
    .headK{height:64px;padding:0 18px;}
    .MenuPC{display:none;}
    .hd_nav{display:block;position:relative;width:42px;height:42px;margin-left:auto;cursor:pointer;}
    .hd_nav i{
        position:absolute;top:50%;left:50%;margin:-1px 0 0 -10px;
        display:block;width:20px;height:2px;border-radius:2px;background:var(--primary);transition:.2s;
    }
    .hd_nav:before,.hd_nav:after{
        content:"";position:absolute;top:50%;left:50%;margin-left:-10px;
        width:20px;height:2px;border-radius:2px;background:var(--primary);transition:.2s;
    }
    .hd_nav:before{margin-top:-7px;}
    .hd_nav:after{margin-top:5px;}
    .head.menu-on .hd_nav i{opacity:0;}
    .head.menu-on .hd_nav:before{transform:rotate(45deg);margin-top:-1px;background:#fff;}
    .head.menu-on .hd_nav:after{transform:rotate(-45deg);margin-top:-1px;background:#fff;}

    .wap_nav{
        position:fixed;top:0;left:0;width:100%;height:100%;
        background:linear-gradient(180deg,rgba(10,26,66,.98),rgba(8,20,52,.99));
        -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
        z-index:997;overflow-y:auto;
    }
    .wap_navK{width:84%;max-width:420px;margin:0 auto;padding:96px 0 50px;text-align:center;display:flex;flex-direction:column;}
    .wap-link{display:block;padding:15px;font-size:20px;font-weight:600;color:#fff;border-radius:14px;}
    .wap-link:hover{background:rgba(255,255,255,.08);}
    .wap-actions{display:flex;gap:12px;margin-top:30px;}
    .wap-btn{flex:1;padding:14px;border-radius:100px;font-size:15px;font-weight:600;}
    .wap-login{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.4);color:#fff;}
    .wap-reg{background:var(--grad-primary);color:#fff;box-shadow:0 10px 24px rgba(22,93,255,.4);}
}

/* ========== HERO ========== */
.hero{padding:148px 0 70px;position:relative;background:var(--grad-hero);}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;}
.hero-badge{
    display:inline-flex;align-items:center;gap:9px;
    font-size:13px;font-weight:600;color:var(--primary-dark);
    padding:7px 16px;border-radius:100px;
    background:#fff;border:1px solid rgba(22,93,255,.18);
    box-shadow:var(--shadow-sm);
    margin-bottom:28px;
}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(22,179,100,.55);animation:pulse 2s infinite;}
@keyframes pulse{
    0%{box-shadow:0 0 0 0 rgba(22,179,100,.5);}
    70%{box-shadow:0 0 0 9px rgba(22,179,100,0);}
    100%{box-shadow:0 0 0 0 rgba(22,179,100,0);}
}
.hero-title{font-size:clamp(32px,5vw,54px);font-weight:800;line-height:1.2;letter-spacing:.01em;color:var(--navy);}
.hero-desc{color:var(--text-2);font-size:17px;margin-top:24px;}
.hero-cta{display:flex;gap:16px;margin-top:38px;flex-wrap:wrap;}

/* 企业信任栏 */
.trust-row{display:flex;flex-wrap:wrap;gap:14px 26px;margin-top:34px;}
.trust-row span{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:600;color:var(--text-2);}
.trust-row svg{width:17px;height:17px;color:#fff;background:var(--grad-primary);border-radius:50%;padding:3px;box-shadow:0 3px 8px rgba(22,93,255,.3);}

/* 收银台卡片 */
.hero-visual{position:relative;}
.visual-decor{position:absolute;inset:0;z-index:0;pointer-events:none;}
.vd-ring{
    position:absolute;top:50%;left:50%;width:430px;height:430px;
    margin:-215px 0 0 -215px;border-radius:50%;
    border:1.5px dashed rgba(22,93,255,.28);
    animation:spin 40s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}
.vd-dot{position:absolute;border-radius:50%;}
.vd-d1{width:14px;height:14px;top:8%;right:10%;background:radial-gradient(circle,#00b8ff,rgba(0,184,255,.2));box-shadow:0 0 18px rgba(0,184,255,.5);}
.vd-d2{width:10px;height:10px;bottom:10%;left:4%;background:radial-gradient(circle,#6d5dfc,rgba(109,93,252,.2));box-shadow:0 0 16px rgba(109,93,252,.5);}
.vd-square{position:absolute;bottom:4%;right:6%;width:22px;height:22px;border-radius:7px;border:2px solid rgba(22,93,255,.35);transform:rotate(18deg);}

.pay-card{padding:30px;position:relative;z-index:1;box-shadow:var(--shadow-lg);}
.pay-card-top{display:flex;justify-content:space-between;align-items:center;color:var(--text-3);}
.pay-card-title{font-weight:700;font-size:15px;color:var(--text);}
.pay-card-wifi svg{width:22px;height:22px;color:var(--primary);}
.pay-amount{display:flex;align-items:baseline;justify-content:center;gap:4px;margin:26px 0 6px;}
.pay-amount .rmb{font-size:24px;font-weight:700;color:var(--primary);}
.pay-amount .num{font-size:52px;font-weight:800;letter-spacing:.01em;color:var(--navy);}
.pay-order{text-align:center;color:var(--text-3);font-size:13px;margin-bottom:24px;}
.pay-order span{color:var(--text-2);}
.pay-methods{display:flex;gap:10px;margin-bottom:24px;}
.pay-method{
    flex:1;display:flex;align-items:center;justify-content:center;gap:6px;
    padding:11px 6px;font-size:13px;font-weight:600;
    border-radius:12px;border:1px solid var(--border-2);
    background:var(--white);color:var(--text-2);
    transition:.25s;
}
.pay-method.active{border-color:var(--primary);background:rgba(22,93,255,.08);color:var(--primary);box-shadow:0 4px 14px rgba(22,93,255,.16);}
.pm-dot{width:8px;height:8px;border-radius:50%;}
.pm-dot.alipay{background:#1677ff;}
.pm-dot.wxpay{background:#16b364;}
.pm-dot.union{background:#ff5f6d;}
.pay-confirm{width:100%;padding:14px;font-size:16px;}
.pay-shield{display:flex;align-items:center;justify-content:center;gap:7px;margin-top:18px;font-size:12.5px;color:var(--text-3);}
.pay-shield svg{width:17px;height:17px;color:var(--teal);}
.float-chip{
    position:absolute;z-index:2;display:flex;align-items:center;gap:8px;
    padding:11px 16px;font-size:13px;font-weight:700;
    border-radius:14px;color:var(--text);
    background:#fff;border:1px solid var(--border);
    box-shadow:var(--shadow);
}
.float-chip svg{width:18px;height:18px;}
.chip-1{top:-22px;left:-30px;animation:floatY 5s ease-in-out infinite;}
.chip-2{bottom:-24px;right:-20px;animation:floatY 6s ease-in-out infinite reverse;}
@keyframes floatY{
    0%,100%{transform:translateY(0);}
    50%{transform:translateY(-12px);}
}

/* 数据统计条 */
.stats-bar{
    margin-top:78px;display:grid;grid-template-columns:repeat(4,1fr);
    padding:38px 20px;border-radius:var(--radius-lg);
    background:#fff;border:1px solid var(--border);
    box-shadow:var(--shadow);
}
.stat-item{text-align:center;position:relative;}
.stat-item:not(:last-child)::after{content:"";position:absolute;right:0;top:18%;height:64%;width:1px;background:var(--border);}
.stat-num{font-size:clamp(28px,3.2vw,40px);font-weight:800;line-height:1;color:var(--navy);}
.stat-num small{font-size:16px;font-weight:700;color:var(--primary);margin-left:2px;}
.stat-label{color:var(--text-2);font-size:14px;margin-top:10px;}

/* ========== 支付渠道 ========== */
.channel-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;}
.channel-card{
    display:flex;flex-direction:column;align-items:center;gap:14px;
    padding:30px 14px;border-radius:var(--radius);
    background:#fff;border:1px solid var(--border);
    box-shadow:var(--shadow-sm);
    transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.channel-card:hover{transform:translateY(-7px);border-color:rgba(22,93,255,.4);box-shadow:var(--shadow);}
.channel-ic{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;}
.channel-ic svg{width:28px;height:28px;}
.c-alipay{background:#eaf3ff;color:#1677ff;box-shadow:inset 0 0 0 1px rgba(22,119,255,.2);}
.c-wx{background:#e8f8f0;color:#16b364;box-shadow:inset 0 0 0 1px rgba(22,179,100,.2);}
.c-union{background:#ffedf0;color:#ff5f6d;box-shadow:inset 0 0 0 1px rgba(255,95,109,.2);}
.c-qq{background:#eceeff;color:#5a6df0;box-shadow:inset 0 0 0 1px rgba(90,109,240,.2);}
.c-jd{background:#fff0ec;color:#f0563a;box-shadow:inset 0 0 0 1px rgba(240,86,58,.2);}
.c-bank{background:#fff6e3;color:#e8a317;box-shadow:inset 0 0 0 1px rgba(232,163,23,.2);}
.channel-name{font-size:14px;font-weight:700;color:var(--text);}

/* ========== 场景卡片 ========== */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.scene-card{
    padding:34px 28px;border-radius:var(--radius);
    background:#fff;border:1px solid var(--border);
    box-shadow:var(--shadow-sm);
    transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
    position:relative;overflow:hidden;
}
.scene-card::before{
    content:"";position:absolute;top:0;left:0;right:0;height:3px;
    background:var(--grad-primary);opacity:0;transition:opacity .3s;
}
.scene-card:hover{transform:translateY(-7px);border-color:rgba(22,93,255,.35);box-shadow:var(--shadow);}
.scene-card:hover::before{opacity:1;}
.scene-ic{
    width:54px;height:54px;border-radius:15px;
    display:flex;align-items:center;justify-content:center;
    background:rgba(22,93,255,.09);
    box-shadow:inset 0 0 0 1px rgba(22,93,255,.18);
    color:var(--primary);margin-bottom:22px;
}
.scene-ic svg{width:27px;height:27px;}
.scene-card h3{font-size:17px;font-weight:700;margin-bottom:11px;color:var(--navy);}
.scene-card p{font-size:14px;color:var(--text-2);}

/* ========== 平台功能 ========== */
.fee-wrap{margin-bottom:26px;}
.fee-card{padding:40px 44px;box-shadow:var(--shadow);}
.fee-label{font-size:15px;font-weight:700;color:var(--primary);margin-bottom:26px;letter-spacing:.03em;}
.fee-modes{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.fee-mode{display:flex;gap:18px;align-items:flex-start;padding:26px;border-radius:var(--radius);background:var(--bg);border:1px solid var(--border);transition:.3s;}
.fee-mode:hover{border-color:rgba(22,93,255,.4);background:rgba(22,93,255,.05);}
.fee-mode-ic{flex-shrink:0;width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:rgba(22,93,255,.1);color:var(--primary);box-shadow:inset 0 0 0 1px rgba(22,93,255,.2);}
.fee-mode-ic svg{width:25px;height:25px;}
.fee-mode h4{font-size:16px;font-weight:700;margin-bottom:6px;color:var(--navy);}
.fee-mode p{font-size:14px;color:var(--text-2);}

.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.feature-card{
    padding:32px 26px;border-radius:var(--radius);
    background:#fff;border:1px solid var(--border);
    box-shadow:var(--shadow-sm);
    transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.feature-card:hover{transform:translateY(-7px);border-color:rgba(22,93,255,.35);box-shadow:var(--shadow);}
.feature-ic{
    width:52px;height:52px;border-radius:15px;margin-bottom:20px;
    display:flex;align-items:center;justify-content:center;
    background:linear-gradient(140deg,rgba(109,93,252,.12),rgba(0,184,255,.1));
    box-shadow:inset 0 0 0 1px rgba(109,93,252,.2);
    color:var(--purple);
}
.feature-ic svg{width:26px;height:26px;}
.feature-card h3{font-size:16.5px;font-weight:700;margin-bottom:9px;color:var(--navy);}
.feature-card p{font-size:13.5px;color:var(--text-2);}

/* ========== 核心优势 ========== */
.advantage-list{display:flex;flex-direction:column;gap:26px;}
.advantage-row{
    display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;
    padding:44px;border-radius:var(--radius-lg);
    background:#fff;border:1px solid var(--border);
    box-shadow:var(--shadow-sm);
}
.advantage-row.reverse .advantage-visual{order:2;}
.advantage-visual{display:flex;justify-content:center;}
.adv-visual-card{
    width:200px;height:200px;border-radius:30px;
    display:flex;align-items:center;justify-content:center;
    position:relative;
}
.adv-visual-card svg{width:92px;height:92px;}
.adv-visual-card::after{content:"";position:absolute;inset:-1px;border-radius:30px;filter:blur(30px);opacity:.4;z-index:-1;}
.v-server{background:linear-gradient(150deg,#e8f0ff,#e6f7ff);box-shadow:inset 0 0 0 1px rgba(22,93,255,.25);color:var(--primary);}
.v-server::after{background:rgba(22,93,255,.4);}
.v-fund{background:linear-gradient(150deg,#e7f8ef,#e6faf6);box-shadow:inset 0 0 0 1px rgba(22,179,100,.25);color:var(--green);}
.v-fund::after{background:rgba(22,179,100,.4);}
.v-service{background:linear-gradient(150deg,#fff3e6,#fff6e9);box-shadow:inset 0 0 0 1px rgba(240,140,30,.25);color:#f0801a;}
.v-service::after{background:rgba(240,140,30,.4);}
.v-rate{background:linear-gradient(150deg,#ffedf0,#f3ecff);box-shadow:inset 0 0 0 1px rgba(255,95,109,.25);color:#ff5f6d;}
.v-rate::after{background:rgba(255,95,109,.4);}
.adv-num{font-size:14px;font-weight:700;color:var(--text-3);letter-spacing:.15em;}
.advantage-text h3{font-size:clamp(22px,2.4vw,30px);font-weight:800;margin:12px 0 14px;color:var(--navy);}
.advantage-text p{color:var(--text-2);font-size:15.5px;margin-bottom:26px;}

/* ========== CTA ========== */
.cta-section{padding:108px 0;}
.cta-box{position:relative;text-align:center;padding:74px 40px;overflow:hidden;background:var(--grad-cta);border:none;box-shadow:var(--shadow-lg);}
.cta-glow{
    position:absolute;width:480px;height:480px;border-radius:50%;
    top:-300px;left:50%;transform:translateX(-50%);
    background:radial-gradient(circle,rgba(255,255,255,.28),transparent 70%);
    filter:blur(30px);pointer-events:none;
}
.cta-box::after{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
    background-size:48px 48px;
    -webkit-mask-image:radial-gradient(ellipse 80% 100% at 50% 0%,#000,transparent 75%);
    mask-image:radial-gradient(ellipse 80% 100% at 50% 0%,#000,transparent 75%);
}
.cta-box h2{font-size:clamp(26px,3.6vw,42px);font-weight:800;position:relative;color:#fff;}
.cta-box>p{color:rgba(255,255,255,.85);margin:18px 0 36px;font-size:16px;position:relative;}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1;}

/* ========== FAQ ========== */
.page-faq{padding:148px 0 100px;min-height:100vh;}
.page-head{text-align:center;margin-bottom:56px;}
.page-title{font-size:clamp(28px,4vw,44px);font-weight:800;color:var(--navy);}
.page-sub{color:var(--text-2);margin-top:14px;}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
    border-radius:var(--radius);overflow:hidden;
    background:#fff;border:1px solid var(--border);
    box-shadow:var(--shadow-sm);
    transition:border-color .3s,box-shadow .3s;
}
.faq-item.open{border-color:rgba(22,93,255,.45);box-shadow:var(--shadow);}
.faq-q{
    display:flex;align-items:center;gap:14px;padding:20px 24px;
    font-size:15.5px;font-weight:700;cursor:pointer;color:var(--text);
}
.faq-badge{
    flex-shrink:0;width:30px;height:30px;border-radius:9px;
    display:flex;align-items:center;justify-content:center;
    font-size:14px;font-weight:800;font-style:normal;
    background:rgba(22,93,255,.1);
    box-shadow:inset 0 0 0 1px rgba(22,93,255,.22);
    color:var(--primary);
}
.faq-badge-a{background:rgba(22,179,100,.1);box-shadow:inset 0 0 0 1px rgba(22,179,100,.22);color:var(--green);}
.faq-arrow{margin-left:auto;width:9px;height:9px;border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);transform:rotate(45deg);transition:transform .3s;flex-shrink:0;}
.faq-item.open .faq-arrow{transform:rotate(-135deg);border-color:var(--primary);}
.faq-a{
    display:flex;align-items:flex-start;gap:14px;
    padding:0 24px;color:var(--text-2);font-size:14.5px;
    max-height:0;overflow:hidden;opacity:0;
    transition:max-height .4s ease,padding .3s ease,opacity .3s ease;
}
.faq-item.open .faq-a{max-height:480px;padding-bottom:22px;opacity:1;}
.faq-a a{color:var(--primary);font-weight:600;}
.faq-a a:hover{text-decoration:underline;}
.faq-back{text-align:center;margin-top:44px;}

/* ========== 页脚 ========== */
.footer{background:var(--grad-footer);position:relative;color:#fff;}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;padding:70px 24px 50px;}
.footer .logo-text{color:#fff;}
.footer .logo-mark{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.15);box-shadow:none;}
.footer-slogan{color:rgba(255,255,255,.68);font-size:14px;margin:20px 0 24px;max-width:300px;}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.f-contact{display:flex;align-items:center;gap:11px;font-size:14px;color:rgba(255,255,255,.78);}
.f-contact a{color:rgba(255,255,255,.78);transition:color .25s;}
.f-contact a:hover{color:#fff;}
.fc-ic{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);color:#7fd0ff;flex-shrink:0;}
.fc-ic svg{width:17px;height:17px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;color:#fff;}
.footer-col a{display:block;color:rgba(255,255,255,.7);font-size:14px;padding:6px 0;transition:color .25s,padding-left .25s;}
.footer-col a:hover{color:#7fd0ff;padding-left:5px;}
.footer-copy{border-top:1px solid rgba(255,255,255,.12);padding:26px 0;}
.footer-copy .container{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;}
.footer-copy p{color:rgba(255,255,255,.5);font-size:13px;}

/* ========== 回到顶部 ========== */
.back-top{
    position:fixed;right:26px;bottom:26px;z-index:998;
    width:50px;height:50px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    background:var(--grad-primary);
    box-shadow:0 10px 26px rgba(22,93,255,.4);
    opacity:0;visibility:hidden;transform:translateY(16px);
    transition:.35s;
}
.back-top.show{opacity:1;visibility:visible;transform:none;}
.back-top:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(22,93,255,.55);}
.back-top svg{width:22px;height:22px;color:#fff;}

/* ========== 响应式 ========== */
@media (max-width:1024px){
    .channel-grid{grid-template-columns:repeat(3,1fr);}
    .scene-grid,.feature-grid{grid-template-columns:repeat(2,1fr);}
    .hero-inner{grid-template-columns:1fr;gap:64px;}
    .hero-visual{max-width:440px;margin:0 auto;width:100%;}
    .advantage-row{grid-template-columns:1fr;gap:34px;padding:36px;}
    .advantage-row.reverse .advantage-visual{order:0;}
    .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
    .section{padding:74px 0;}
    .hero{padding:118px 0 50px;}
    .hide-mobile{display:none;}
    .trust-row{gap:10px 18px;}
    .stats-bar{grid-template-columns:repeat(2,1fr);gap:26px 10px;padding:30px 16px;}
    .stat-item:not(:last-child)::after{display:none;}
    .channel-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
    .scene-grid,.feature-grid{grid-template-columns:1fr;}
    .fee-modes{grid-template-columns:1fr;}
    .fee-card{padding:30px 24px;}
    .pay-card{padding:24px 20px;}
    .pay-methods{flex-wrap:wrap;}
    .chip-1{left:0;}
    .chip-2{right:0;}
    .vd-ring{width:340px;height:340px;margin:-170px 0 0 -170px;}
    .cta-box{padding:52px 24px;}
    .footer-inner{grid-template-columns:1fr;gap:34px;padding:54px 24px 36px;}
    .footer-copy .container{flex-direction:column;}
    .hero-cta .btn,.cta-btns .btn{width:100%;}
    .m-actions{flex-direction:column;}
}