/* ============================================================
   布丁云盾网络验证官网 —— 全新科技感主题
   深色玻璃拟态 + 霓虹光效 + 网格动效，全站响应式
   颜色等变量由 includes/head.php 依据后台「样式设置」动态注入
   ============================================================ */

:root {
    --primary: #22d3ee;
    --secondary: #8b5cf6;
    --accent: #f97316;
    --bg-dark: #05070f;
    --bg-card: rgba(15, 23, 42, 0.86);
    --text-main: #e5e7eb;
    --text-muted: #9ca3af;
    --border: rgba(148, 163, 184, 0.30);
    --radius: 16px;
    --glow: 0 0 30px rgba(34, 211, 238, 0.35);
    --grad: linear-gradient(135deg, var(--primary), var(--secondary));
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', Arial, sans-serif;
    color: var(--text-main);
    line-height: 1.8;
    background: var(--bg-dark);
    overflow-x: hidden;
    min-height: 100vh;
    user-select: text;
    position: relative;
}

/* ---- 动态网格 + 径向光斑背景 ---- */
body::before {
    content: '';
    position: fixed; inset: 0;
    background:
        radial-gradient(circle at 18% 22%, color-mix(in srgb, var(--primary) 16%, transparent) 0%, transparent 52%),
        radial-gradient(circle at 82% 78%, color-mix(in srgb, var(--secondary) 16%, transparent) 0%, transparent 52%),
        radial-gradient(circle at 45% 12%, color-mix(in srgb, var(--accent) 8%, transparent) 0%, transparent 42%);
    pointer-events: none; z-index: 0;
}
body::after {
    content: '';
    position: fixed; inset: 0;
    background-image:
        linear-gradient(color-mix(in srgb, var(--primary) 4%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, var(--primary) 4%, transparent) 1px, transparent 1px);
    background-size: 46px 46px;
    pointer-events: none; z-index: 0;
    animation: gridMove 22s linear infinite;
}
@keyframes gridMove { 0% { transform: translate(0,0);} 100% { transform: translate(46px,46px);} }

/* 内容层级 */
.container { max-width: 1200px; margin: 0 auto; padding: 0 22px; position: relative; z-index: 1; }
.section { padding: 74px 0; position: relative; z-index: 1; }
.section-tight { padding: 48px 0; }

/* ============ 顶部公告栏 ============ */
.topbar {
    background: var(--grad);
    color: #020617;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    padding: 8px 16px;
    position: relative; z-index: 1001;
    letter-spacing: 0.3px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.topbar a { color: #020617; text-decoration: underline; }

/* ============ 头部导航 ============ */
.site-header {
    position: sticky; top: 0; z-index: 1000;
    background: color-mix(in srgb, var(--bg-dark) 78%, transparent);
    backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 30px rgba(0,0,0,.45);
}
.nav {
    display: flex; align-items: center; justify-content: space-between;
    height: 68px; gap: 16px;
}
.logo {
    font-size: 1.5rem; font-weight: 800; letter-spacing: 1px; white-space: nowrap;
    background: var(--grad);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
    filter: drop-shadow(0 0 18px color-mix(in srgb, var(--primary) 45%, transparent));
}
.logo small { display: block; font-size: .62rem; font-weight: 600; letter-spacing: 3px; color: var(--text-muted); -webkit-text-fill-color: var(--text-muted); }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
    color: var(--text-muted); text-decoration: none; font-size: 15px;
    padding: 8px 15px; border-radius: 10px; transition: .25s; position: relative;
}
.nav-links a:hover { color: var(--text-main); background: color-mix(in srgb, var(--primary) 10%, transparent); }
.nav-links a.active {
    color: var(--primary);
    background: color-mix(in srgb, var(--primary) 14%, transparent);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--primary) 35%, transparent);
}
.nav-cta a.btn-sm { padding: 8px 18px; }
.nav-toggle {
    display: none; background: none; border: 1px solid var(--border);
    color: var(--text-main); font-size: 1.4rem; line-height: 1;
    padding: 6px 10px; border-radius: 8px; cursor: pointer;
}

/* ============ 按钮 ============ */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 13px 26px; border-radius: 12px; font-weight: 700; font-size: 15px;
    text-decoration: none; cursor: pointer; border: 1px solid transparent;
    transition: .28s; line-height: 1.4;
}
.btn-primary { background: var(--grad); color: #020617; box-shadow: 0 6px 24px color-mix(in srgb, var(--primary) 35%, transparent); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 34px color-mix(in srgb, var(--primary) 55%, transparent); }
.btn-ghost { background: transparent; color: var(--primary); border: 1px solid color-mix(in srgb, var(--primary) 55%, transparent); }
.btn-ghost:hover { background: color-mix(in srgb, var(--primary) 12%, transparent); transform: translateY(-2px); }
.btn-accent { background: linear-gradient(135deg, var(--accent), var(--secondary)); color: #fff; }
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 10px 30px color-mix(in srgb, var(--accent) 45%, transparent); }
.btn-sm { padding: 8px 16px; font-size: 13.5px; border-radius: 9px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ============ 分区标题 ============ */
.sec-head { text-align: center; max-width: 760px; margin: 0 auto 46px; }
.sec-kicker {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 12.5px; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase;
    color: var(--primary); padding: 6px 16px; border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--primary) 35%, transparent);
    background: color-mix(in srgb, var(--primary) 8%, transparent);
    margin-bottom: 16px;
}
.sec-kicker::before, .sec-kicker::after { content: ''; width: 18px; height: 1px; background: var(--primary); opacity: .6; }
.sec-title { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 800; line-height: 1.3; letter-spacing: .5px; }
.sec-title .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.sec-sub { color: var(--text-muted); margin-top: 14px; font-size: 15.5px; }

/* ============ Hero ============ */
.hero { padding: 92px 0 70px; position: relative; z-index: 1; }
.hero-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 46px; align-items: center; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 7px 16px; border-radius: 999px; font-size: 13px; font-weight: 600;
    color: var(--primary); border: 1px solid color-mix(in srgb, var(--primary) 40%, transparent);
    background: color-mix(in srgb, var(--primary) 8%, transparent);
    margin-bottom: 20px;
}
.hero-badge i { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 10px var(--primary); animation: pulse 1.8s infinite; }
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:.35;} }
.hero h1 { font-size: clamp(2rem, 4.4vw, 3.3rem); font-weight: 900; line-height: 1.18; letter-spacing: .5px; }
.hero h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; filter: drop-shadow(0 0 26px color-mix(in srgb, var(--primary) 40%, transparent)); }
.hero-desc { color: var(--text-main); margin-top: 22px; font-size: 17px; max-width: 560px; }
.hero-sub { color: var(--text-muted); margin-top: 12px; font-size: 14.5px; max-width: 560px; }
.hero-actions { display: flex; gap: 16px; margin-top: 30px; flex-wrap: wrap; }

/* Hero 可视化卡片 */
.hero-visual { position: relative; }
.hero-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    backdrop-filter: blur(12px); overflow: hidden; position: relative;
    box-shadow: 0 30px 60px rgba(0,0,0,.55), var(--glow);
}
.hero-card::before {
    content: ''; position: absolute; top: -40%; right: -20%; width: 70%; height: 90%;
    background: radial-gradient(circle, color-mix(in srgb, var(--primary) 22%, transparent), transparent 70%);
    pointer-events: none;
}
.hero-card-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.hero-card-title { display: flex; flex-direction: column; gap: 2px; }
.hero-card-title strong { font-size: 14.5px; color: var(--text-main); }
.hero-card-title span { font-size: 12px; color: var(--text-muted); }
.hero-card-status { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; color: #34d399; }
.hero-card-status i { width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 9px #34d399; animation: pulse 1.8s infinite; }
.hero-card-img { padding: 14px; }
.hero-card-img img { width: 100%; display: block; border-radius: 10px; border: 1px solid var(--border); }
.hero-card-foot { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 0 20px 20px; }
.hero-metric {
    background: color-mix(in srgb, var(--bg-dark) 60%, transparent); border: 1px solid var(--border);
    border-radius: 12px; padding: 12px 16px;
}
.hero-metric span { display: block; }
.hero-metric small { color: var(--text-muted); font-size: 12.5px; }
.hero-metric strong { font-size: 22px; color: var(--primary); font-weight: 800; }

/* ============ 卡片网格 ============ */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 26px; transition: .3s; position: relative; overflow: hidden; backdrop-filter: blur(10px);
}
.card::before {
    content: ''; position: absolute; left: 0; top: 0; width: 100%; height: 3px;
    background: var(--grad); transform: scaleX(0); transform-origin: left; transition: .35s;
}
.card:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--primary) 40%, transparent); box-shadow: 0 20px 44px rgba(0,0,0,.5), var(--glow); }
.card:hover::before { transform: scaleX(1); }
.card-icon {
    width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; background: color-mix(in srgb, var(--primary) 14%, transparent);
    border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent);
    margin-bottom: 18px; color: var(--primary);
}
.card h3 { font-size: 18px; margin-bottom: 10px; color: var(--text-main); }
.card p { color: var(--text-muted); font-size: 14.5px; }
.card-img { border-radius: 12px; overflow: hidden; border: 1px solid var(--border); margin-bottom: 18px; cursor: zoom-in; position: relative; }
.card-img img { width: 100%; display: block; transition: .4s; }
.card-img:hover img { transform: scale(1.05); }

/* ============ 价格卡片 ============ */
.price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; max-width: 980px; margin: 0 auto; }
.price-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 30px; position: relative; transition: .3s; display: flex; flex-direction: column; backdrop-filter: blur(10px);
}
.price-card:hover { transform: translateY(-6px); box-shadow: 0 24px 50px rgba(0,0,0,.5); }
.price-card.featured {
    border-color: color-mix(in srgb, var(--primary) 55%, transparent);
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--primary) 30%, transparent), 0 24px 60px color-mix(in srgb, var(--primary) 18%, transparent);
}
.price-ribbon {
    position: absolute; top: 18px; right: -38px; transform: rotate(45deg);
    background: var(--grad); color: #020617; font-size: 12px; font-weight: 800;
    padding: 6px 44px; letter-spacing: 1px;
}
.price-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; }
.price-head h3 { font-size: 19px; }
.price-head small { color: var(--text-muted); font-size: 13px; }
.price-tag { font-size: 12px; font-weight: 700; color: var(--primary); border: 1px solid color-mix(in srgb,var(--primary) 40%,transparent); padding: 4px 11px; border-radius: 999px; white-space: nowrap; }
.price { font-size: 34px; font-weight: 900; color: var(--primary); margin: 8px 0 20px; }
.price .currency { font-size: 20px; vertical-align: top; }
.price .period { font-size: 14px; color: var(--text-muted); font-weight: 500; }
.price-list { list-style: none; flex: 1; margin-bottom: 24px; }
.price-list li { position: relative; padding: 7px 0 7px 26px; color: var(--text-muted); font-size: 14.5px; }
.price-list li::before { content: '✓'; position: absolute; left: 0; top: 7px; color: var(--primary); font-weight: 800; }

/* ============ 介绍列表 ============ */
.intro-panel {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 34px; backdrop-filter: blur(10px);
}
.intro-list { list-style: none; }
.intro-list li { display: flex; gap: 12px; padding: 11px 0; border-bottom: 1px dashed var(--border); color: var(--text-main); font-size: 15px; }
.intro-list li:last-child { border-bottom: none; }
.intro-list li::before { content: '▸'; color: var(--primary); font-weight: 800; flex-shrink: 0; }

/* ============ FAQ 手风琴 ============ */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; margin-bottom: 14px; overflow: hidden; backdrop-filter: blur(8px); }
.faq-q {
    display: flex; justify-content: space-between; align-items: center; gap: 12px;
    padding: 18px 22px; cursor: pointer; font-weight: 700; color: var(--text-main); font-size: 15.5px;
}
.faq-q .faq-ic { color: var(--primary); transition: .3s; flex-shrink: 0; }
.faq-item.open .faq-ic { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a p { padding: 0 22px 20px; color: var(--text-muted); font-size: 14.5px; }

/* ============ 服务器推荐卡 ============ */
.server-panel {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 36px; display: grid; grid-template-columns: 300px 1fr; gap: 34px; backdrop-filter: blur(10px);
}
.server-intro h2 { font-size: 24px; margin-bottom: 10px; }
.server-intro p { color: var(--text-muted); }
.server-card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 18px; }
.server-card-head strong { font-size: 18px; }
.server-card-head small { display: block; color: var(--text-muted); font-size: 13px; font-weight: 400; margin-top: 4px; }
.server-badge { font-size: 12px; font-weight: 700; color: #34d399; border: 1px solid color-mix(in srgb,#34d399 45%,transparent); background: color-mix(in srgb,#34d399 10%,transparent); padding: 4px 12px; border-radius: 999px; white-space: nowrap; }
.server-link a { font-size: 18px; color: var(--primary); text-decoration: none; font-weight: 700; }
.server-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.server-tag { font-size: 12.5px; color: var(--text-muted); border: 1px solid var(--border); padding: 4px 12px; border-radius: 999px; }
.server-foot { margin-top: 20px; padding-top: 16px; border-top: 1px dashed var(--border); color: var(--text-muted); font-size: 13.5px; }

/* ============ 产品 / UI 网格 ============ */
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.ui-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; }
.ui-item { cursor: zoom-in; text-align: center; }
.ui-item .ui-img { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; margin-bottom: 10px; background: var(--bg-card); }
.ui-item .ui-img img { width: 100%; display: block; transition: .35s; }
.ui-item:hover .ui-img img { transform: scale(1.06); }
.ui-item p { font-size: 13px; color: var(--text-muted); }

/* ============ 下载卡片 ============ */
.dl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 24px; max-width: 980px; margin: 0 auto; }
.dl-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; position: relative; backdrop-filter: blur(10px); }
.dl-card.recommend { border-color: color-mix(in srgb, var(--primary) 50%, transparent); box-shadow: 0 18px 44px color-mix(in srgb, var(--primary) 14%, transparent); }
.dl-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 16px; }
.dl-head h3 { font-size: 18px; }
.dl-head small { display: block; color: var(--text-muted); font-size: 13px; font-weight: 400; margin-top: 4px; }
.dl-tag { font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px; white-space: nowrap; }
.dl-tag.primary { color: #020617; background: var(--grad); }
.dl-tag.ghost { color: var(--text-muted); border: 1px solid var(--border); }
.dl-desc { color: var(--text-muted); font-size: 14.5px; margin-bottom: 14px; }
.dl-md5 { font-size: 13px; color: var(--text-muted); margin: 14px 0; }
.dl-md5 b { color: var(--text-main); font-weight: 600; }
.dl-md5 .code { color: var(--accent); font-family: Consolas, monospace; }
.dl-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }

/* 流程步骤 */
.flow-wrap { max-width: 960px; margin: 0 auto; }
.flow-steps { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; position: relative; padding: 10px 0 30px; }
.flow-step { flex: 1; min-width: 120px; text-align: center; position: relative; }
.flow-step .step-ic {
    width: 64px; height: 64px; margin: 0 auto 12px; border-radius: 18px;
    display: flex; align-items: center; justify-content: center; font-size: 1.6rem;
    background: var(--bg-card); border: 1px solid var(--border); color: var(--primary);
    box-shadow: var(--glow); transition: .3s;
}
.flow-step:hover .step-ic { transform: translateY(-4px); }
.flow-step.success .step-ic { color: #34d399; border-color: color-mix(in srgb,#34d399 50%,transparent); }
.flow-step .step-t { color: var(--text-main); font-size: 14px; font-weight: 600; }
.flow-arrow { color: var(--primary); font-size: 1.3rem; flex-shrink: 0; opacity: .7; }
.flow-desc { text-align: center; color: var(--text-muted); font-size: 14px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 18px 24px; backdrop-filter: blur(8px); }

/* ============ 更新日志时间线 ============ */
.log-list { max-width: 900px; margin: 0 auto; }
.log-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 30px; margin-bottom: 22px; position: relative; overflow: hidden; backdrop-filter: blur(10px); }
.log-card::before { content: ''; position: absolute; left: 0; top: 0; width: 4px; height: 100%; background: var(--grad); }
.log-card.new { box-shadow: 0 18px 44px color-mix(in srgb, var(--primary) 16%, transparent); border-color: color-mix(in srgb, var(--primary) 40%, transparent); }
.log-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.log-ver { font-size: 18px; font-weight: 800; color: var(--text-main); }
.log-date { font-size: 13px; color: var(--text-muted); }
.log-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.log-tag { font-size: 12px; font-weight: 700; padding: 3px 11px; border-radius: 999px; }
.log-tag.add { color: #34d399; background: color-mix(in srgb,#34d399 12%,transparent); border: 1px solid color-mix(in srgb,#34d399 40%,transparent); }
.log-tag.opt { color: var(--primary); background: color-mix(in srgb,var(--primary) 12%,transparent); border: 1px solid color-mix(in srgb,var(--primary) 40%,transparent); }
.log-tag.fix { color: #f87171; background: color-mix(in srgb,#f87171 12%,transparent); border: 1px solid color-mix(in srgb,#f87171 40%,transparent); }
.log-tag.ghost { color: var(--text-muted); border: 1px solid var(--border); }
.log-tag.log-latest { color: #111; background: linear-gradient(135deg,var(--accent),var(--primary)); border: none; box-shadow: 0 0 14px color-mix(in srgb,var(--accent) 60%,transparent); align-self: center; }
.log-card ul { list-style: none; }
.log-card ul li { padding: 6px 0 6px 22px; position: relative; color: var(--text-muted); font-size: 14.5px; }
.log-card ul li::before { content: '›'; position: absolute; left: 0; color: var(--primary); font-weight: 800; }

/* ============ 认证表单（登录/注册） ============ */
.auth-wrap { max-width: 480px; margin: 40px auto 60px; }
.auth-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px 34px; backdrop-filter: blur(14px); box-shadow: 0 30px 70px rgba(0,0,0,.5); }
.auth-title { text-align: center; margin-bottom: 26px; }
.auth-title h1 { font-size: 24px; }
.auth-title p { color: var(--text-muted); font-size: 13.5px; margin-top: 6px; }
.field { margin-bottom: 18px; }
.field label { display: block; margin-bottom: 8px; color: var(--text-main); font-size: 14px; font-weight: 600; }
.field input {
    width: 100%; padding: 13px 15px; border-radius: 10px;
    background: color-mix(in srgb, var(--bg-dark) 70%, transparent);
    border: 1px solid var(--border); color: var(--text-main); font-size: 15px; transition: .25s; outline: none;
}
.field input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 22%, transparent); }
.field .hint { font-size: 12.5px; color: var(--text-muted); margin-top: 4px; display: block; }
.err-tip { font-size: 12.5px; color: #f87171; margin-top: 4px; display: block; min-height: 0; }
.tip-ok { text-align: center; color: #34d399; margin-bottom: 14px; font-size: 14px; }
.tip-err { text-align: center; color: #f87171; margin-bottom: 14px; font-size: 14px; }
.auth-foot { text-align: center; margin-top: 18px; color: var(--text-muted); font-size: 14px; }
.auth-foot a { color: var(--primary); text-decoration: none; font-weight: 600; }
.auth-foot a:hover { text-decoration: underline; }

/* ============ 用户中心 ============ */
.ucard { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 34px; backdrop-filter: blur(10px); max-width: 860px; margin: 0 auto; }
.ucard .info-item { display: flex; padding: 13px 0; border-bottom: 1px solid var(--border); gap: 12px; }
.ucard .info-item:last-child { border-bottom: none; }
.ucard .info-label { width: 150px; color: var(--text-muted); flex-shrink: 0; }
.ucard .info-value { color: var(--text-main); word-break: break-all; }
.group-badge { display: inline-block; padding: 4px 15px; border-radius: 999px; font-size: 13px; font-weight: 700; color: #fff; }
.expire-text { color: var(--accent); font-weight: 700; }
.tip-outside { border: 1px solid color-mix(in srgb,var(--accent) 50%,transparent); background: color-mix(in srgb,var(--accent) 10%,transparent); color: var(--accent); padding: 14px 18px; border-radius: 12px; margin-bottom: 22px; text-align: center; font-size: 14px; }
.btn-group { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }

/* ============ 支付页 ============ */
.page-heading { padding: 60px 0 26px; text-align: center; position: relative; z-index: 1; }
.page-heading h1 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 800; }
.page-heading p { color: var(--text-muted); max-width: 700px; margin: 14px auto 0; font-size: 15px; }
.pkg-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin: 30px 0 36px; }
.pkg-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 26px; cursor: pointer; transition: .3s; backdrop-filter: blur(8px);
}
.pkg-card h3 { font-size: 16.5px; margin-bottom: 12px; }
.pkg-price { font-size: 32px; font-weight: 900; color: var(--primary); margin-bottom: 12px; }
.pkg-desc { color: var(--text-muted); font-size: 13.5px; }
.pkg-card:hover { transform: translateY(-4px); border-color: color-mix(in srgb,var(--primary) 45%,transparent); }
.pkg-card.selected { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary), 0 16px 40px color-mix(in srgb,var(--primary) 20%,transparent); }
.qrcode-panel { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; max-width: 560px; margin: 0 auto; backdrop-filter: blur(10px); }
.qrcode-content { display: none; }
.qrcode-content.show { display: block; }
.qrcode-title { font-size: 17px; font-weight: 800; text-align: center; }
.qrcode-money { font-size: 34px; font-weight: 900; color: var(--accent); text-align: center; margin: 8px 0 20px; }
.account-input-box input { width: 100%; padding: 13px 15px; border-radius: 10px; background: color-mix(in srgb,var(--bg-dark) 70%,transparent); border: 1px solid var(--border); color: var(--text-main); font-size: 15px; outline: none; }
.account-input-box input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb,var(--primary) 22%,transparent); }
.account-input-box label { display: block; margin: 14px 0 8px; color: var(--text-muted); font-size: 14px; }
.pay-notice { margin-top: 18px; padding: 16px 18px; border: 1px dashed var(--border); border-radius: 10px; color: var(--text-muted); font-size: 13.5px; }
.pay-notice p { padding: 2px 0; }
.pay-notice strong { color: var(--text-main); }

/* 模态框（图片/支付/通用） */
.modal { position: fixed; inset: 0; z-index: 9999; display: none; align-items: center; justify-content: center; background: rgba(0,0,0,.78); backdrop-filter: blur(4px); padding: 20px; }
.modal.active, .modal.show { display: flex; }
.modal-box { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; max-width: 560px; width: 100%; position: relative; box-shadow: 0 40px 90px rgba(0,0,0,.6); }
.modal-close { position: absolute; top: 12px; right: 16px; font-size: 26px; line-height: 1; color: var(--text-muted); cursor: pointer; background: none; border: none; }
.modal-close:hover { color: var(--text-main); }
.modal h3 { font-size: 20px; margin-bottom: 18px; color: var(--text-main); }
.modal-qrcode-group { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
.modal-qrcode-item { text-align: center; }
.modal-qrcode-item img { width: 150px; height: 150px; border-radius: 10px; border: 1px solid var(--border); object-fit: cover; }
.modal-qrcode-item p { color: var(--text-muted); font-size: 13px; margin-top: 8px; }
.img-modal-content img { max-width: 92vw; max-height: 88vh; border-radius: 12px; border: 1px solid var(--border); }

/* ============ 页脚 ============ */
.site-footer { border-top: 1px solid var(--border); padding: 34px 0; position: relative; z-index: 1; background: color-mix(in srgb, var(--bg-dark) 70%, transparent); backdrop-filter: blur(8px); }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; align-items: center; flex-wrap: wrap; }
.footer-meta { color: var(--text-muted); font-size: 13.5px; }
.footer-meta div { padding: 2px 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 13.5px; transition: .2s; }
.footer-links a:hover { color: var(--primary); }

/* ============ 悬浮客服 ============ */
.float-kefu {
    position: fixed; right: 55px; bottom: 50px; z-index: 999; cursor: pointer;
    width: 58px; height: 58px; border-radius: 50%;
    background: var(--grad); display: flex; align-items: center; justify-content: center;
    box-shadow: 0 10px 30px color-mix(in srgb, var(--primary) 45%, transparent);
    transition: .3s;
}
.float-kefu:hover { transform: scale(1.08); }
.float-kefu span { font-size: 14px; font-weight: 700; color: #fff; letter-spacing: 1px; }

/* 斜纹水印 */
.watermark-box { position: fixed; inset: 0; z-index: 9998; pointer-events: none; opacity: var(--water-opacity, 0.35); }

/* ============ 动效（内容默认始终可见，绝不因 JS 未触发而隐藏） ============ */
.reveal { opacity: 1; transform: none; }
html.js .reveal.in { opacity: 1; transform: none; }

/* ============ 响应式 ============ */
@media (max-width: 992px) {
    .hero-layout { grid-template-columns: 1fr; gap: 34px; }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .prod-grid { grid-template-columns: repeat(2, 1fr); }
    .server-panel { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 720px) {
    .nav { height: 60px; }
    .nav-toggle { display: block; }
    .nav-links {
        position: absolute; top: 60px; left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 4px;
        background: color-mix(in srgb, var(--bg-dark) 96%, transparent);
        backdrop-filter: blur(18px); border-bottom: 1px solid var(--border);
        padding: 12px 18px 16px; display: none;
    }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 12px 14px; border-radius: 10px; }
    .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .prod-grid { grid-template-columns: 1fr; }
    .section { padding: 52px 0; }
    .hero { padding: 56px 0 44px; }
    .footer-inner { flex-direction: column; text-align: center; }
    .footer-links { justify-content: center; }
    .flow-steps { flex-direction: column; }
    .flow-arrow { transform: rotate(90deg); }
    .float-kefu { right: 14px; bottom: 18px; width: 52px; height: 52px; }
    .intro-panel { padding: 24px 20px; }
}