@charset "utf-8";

/* ========================================
   CLOUDHOST / 云服务器页面 - 浅色 · 高端 · 全屏
   Premium Light / Cloud Server / Full-screen
   主题：日落橙 + 香槟金（区别于 IDC 青蓝 / 域名 祖母绿 / 主机 靛紫 / 邮箱 玫瑰金）
   ======================================== */

:root {
    --ch-primary: #f97316;
    --ch-primary-light: #fca559;
    --ch-primary-dark: #c2410c;
    --ch-primary-pale: #fff1e6;
    --ch-accent: #d4a24e;
    --ch-accent-soft: #fbf1de;
    --ch-gold: #c8923c;
    --ch-gold-soft: #fbf3e3;
    --ch-bg: #fdf7f1;
    --ch-bg-alt: #f8ecdf;
    --ch-white: #ffffff;
    --ch-text: #2b1a10;
    --ch-text-secondary: #6f5240;
    --ch-text-muted: #b09886;
    --ch-border: #f1ddc9;
    --ch-border-light: #fbf1e7;
    --ch-radius-sm: 12px;
    --ch-radius: 16px;
    --ch-radius-lg: 24px;
    --ch-radius-xl: 32px;
    --ch-shadow-xs: 0 1px 2px rgba(43,26,16,.03);
    --ch-shadow-sm: 0 4px 16px rgba(43,26,16,.05);
    --ch-shadow: 0 8px 30px rgba(43,26,16,.06);
    --ch-shadow-md: 0 12px 40px rgba(43,26,16,.08);
    --ch-shadow-lg: 0 24px 70px rgba(249,115,22,.18);
    --ch-transition: cubic-bezier(.4,0,.2,1);
}

/* ---------- Reset & Base ---------- */
.ch-page { background: var(--ch-bg); overflow: hidden; }

/* ---------- Buttons ---------- */
.ch-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 15px 34px; font-size: 15px; font-weight: 600;
    border-radius: 100px; text-decoration: none;
    transition: all .35s var(--ch-transition);
    cursor: pointer; border: none; letter-spacing: .01em;
    position: relative; overflow: hidden;
}
.ch-btn--primary {
    background: linear-gradient(135deg, var(--ch-primary) 0%, #ea580c 55%, #fca559 100%);
    color: #fff; box-shadow: 0 6px 22px rgba(249,115,22,.3), 0 1px 3px rgba(249,115,22,.18);
}
.ch-btn--primary:hover { transform: translateY(-2px); box-shadow: 0 10px 32px rgba(249,115,22,.38); }
.ch-btn--ghost {
    background: var(--ch-white); color: var(--ch-primary-dark);
    border: 1.5px solid var(--ch-border); box-shadow: var(--ch-shadow-xs);
}
.ch-btn--ghost:hover { border-color: var(--ch-primary-light); background: var(--ch-primary-pale); transform: translateY(-2px); box-shadow: var(--ch-shadow-sm); }
.ch-btn--white { background: #fff; color: var(--ch-primary-dark); box-shadow: 0 6px 22px rgba(43,26,16,.12); }
.ch-btn--white:hover { transform: translateY(-2px); box-shadow: 0 10px 32px rgba(43,26,16,.18); }
.ch-btn--outline-white { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.4); }
.ch-btn--outline-white:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.75); transform: translateY(-2px); }

/* ============ HERO（浅色·全屏） ============ */
.ch-hero {
    position: relative; min-height: 100vh;
    display: flex; align-items: flex-start;
    background:
        radial-gradient(1200px 600px at 88% 8%, rgba(249,115,22,.1), transparent 60%),
        radial-gradient(900px 500px at 6% 92%, rgba(212,162,78,.09), transparent 60%),
        linear-gradient(160deg, #fff1e6 0%, #fdf7f1 38%, #fffdfb 68%, #f8ecdf 100%);
    overflow: hidden;
}
.ch-hero-grad {
    position: absolute; inset: 0;
    background:
        linear-gradient(115deg, rgba(249,115,22,.05) 0%, transparent 45%),
        linear-gradient(245deg, rgba(212,162,78,.05) 0%, transparent 45%);
    pointer-events: none;
}
.ch-hero-blob { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .55; animation: chFloat 16s ease-in-out infinite alternate; }
.ch-hero-blob--a { width: 520px; height: 520px; top: -160px; right: -120px; background: radial-gradient(circle, rgba(249,115,22,.16), transparent 70%); }
.ch-hero-blob--b { width: 420px; height: 420px; bottom: -150px; left: -90px; background: radial-gradient(circle, rgba(252,165,89,.13), transparent 70%); animation-delay: -6s; }
@keyframes chFloat { 0% { transform: translate(0,0) scale(1); } 100% { transform: translate(36px,-28px) scale(1.07); } }

.ch-hero-inner {
    position: relative; z-index: 2; width: 100%; max-width: none;
    margin: 0 auto; padding: clamp(148px,18vh,200px) 40px 90px;
    display: flex; align-items: flex-start; justify-content: space-between; gap: 110px;
}
.ch-hero-text { flex: 1 1 0; max-width: 560px; padding-top: 26px; }
.ch-hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 12px; font-weight: 700; letter-spacing: 3px;
    color: var(--ch-primary-dark); background: var(--ch-primary-pale);
    padding: 8px 18px; border-radius: 100px; margin-bottom: 26px;
    border: 1px solid rgba(249,115,22,.16);
}
.ch-hero-badge i { color: var(--ch-primary); }
.ch-hero-title {
    font-size: clamp(42px, 5.6vw, 68px); font-weight: 800; line-height: 1.08;
    color: var(--ch-text); margin-bottom: 22px; letter-spacing: -.025em;
}
.ch-hero-title b {
    background: linear-gradient(135deg, var(--ch-primary) 0%, #ea580c 35%, var(--ch-accent) 95%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.ch-hero-sub { font-size: 19px; color: var(--ch-text-secondary); margin-bottom: 18px; font-weight: 500; line-height: 1.7; }
.ch-hero-desc { font-size: 15px; color: var(--ch-text-muted); margin-bottom: 30px; line-height: 1.85; }
.ch-hero-kpi { display: flex; gap: 30px; margin-bottom: 30px; flex-wrap: wrap; }
.ch-hero-kpi .k b { display: block; font-size: 26px; font-weight: 800; color: var(--ch-primary); letter-spacing: -.02em; }
.ch-hero-kpi .k span { font-size: 13px; color: var(--ch-text-secondary); }
.ch-hero-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 36px; }
.ch-hero-tags span {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 9px 18px; background: rgba(255,255,255,.82);
    border: 1px solid var(--ch-border); border-radius: 100px;
    font-size: 13px; color: var(--ch-text-secondary); box-shadow: var(--ch-shadow-xs);
    backdrop-filter: blur(4px); transition: all .3s;
}
.ch-hero-tags span:hover { color: var(--ch-primary-dark); border-color: var(--ch-primary-light); background: #fff; box-shadow: 0 2px 16px rgba(249,115,22,.14); }
.ch-hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.ch-hero-disc { margin: 26px 0 0; font-size: 12px; color: var(--ch-text-muted); line-height: 1.7; }

/* Hero 云服务器监控控制台样机 */
.ch-hero-visual { position: relative; flex: 1 1 0; display: flex; flex-direction: column; align-items: flex-end; justify-content: flex-start; padding-top: 26px; }
.ch-mock-glow { position: absolute; width: 460px; height: 460px; border-radius: 50%; background: radial-gradient(circle, rgba(249,115,22,.14), transparent 65%); filter: blur(40px); top: 50%; left: 50%; transform: translate(-50%,-50%); }
.ch-mock {
    position: relative; width: 450px; max-width: 100%;
    background: var(--ch-white); border-radius: var(--ch-radius-lg);
    box-shadow: var(--ch-shadow-lg), 0 0 0 1px rgba(43,26,16,.04);
    border: 1px solid var(--ch-border-light); overflow: visible;
}
.ch-mock-pill {
    position: absolute; display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 18px; border-radius: 100px; font-size: 13px; font-weight: 600;
    background: var(--ch-white); color: var(--ch-text);
    box-shadow: 0 10px 30px rgba(43,26,16,.1); border: 1px solid var(--ch-border-light);
    z-index: 3; white-space: nowrap;
}
.ch-mock-pill i { color: var(--ch-primary); }
.ch-mock-pill--1 { top: 10%; left: -8%; animation: chPillA 5s ease-in-out infinite; }
.ch-mock-pill--2 { bottom: 14%; right: -6%; animation: chPillB 5s ease-in-out infinite; }
.ch-mock-pill--2 i { color: var(--ch-accent); }
@keyframes chPillA { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
@keyframes chPillB { 0%,100% { transform: translateY(0); } 50% { transform: translateY(7px); } }
.ch-mock-top {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 22px; border-bottom: 1px solid var(--ch-border-light);
    background: linear-gradient(180deg, #fff3e9, #fff);
}
.ch-mock-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ch-text); font-size: 15px; }
.ch-mock-brand i { color: var(--ch-primary); }
.ch-mock-live { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; color: var(--ch-primary); font-weight: 600; }
.ch-mock-live i { font-size: 9px; animation: chPulse 1.8s ease-in-out infinite; }
@keyframes chPulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.ch-screen { padding: 18px 20px 22px; }
.ch-gauge-row { display: flex; gap: 14px; margin-bottom: 18px; }
.ch-gauge { flex: 1; background: var(--ch-bg); border: 1px solid var(--ch-border-light); border-radius: var(--ch-radius); padding: 16px 16px 14px; }
.ch-gauge .gl { font-size: 12px; color: var(--ch-text-secondary); margin-bottom: 10px; display: flex; align-items: center; gap: 7px; }
.ch-gauge .gl i { color: var(--ch-primary); }
.ch-gauge .gv { font-size: 22px; font-weight: 800; color: var(--ch-text); line-height: 1; }
.ch-gauge .gv small { font-size: 13px; font-weight: 600; color: var(--ch-text-muted); }
.ch-bar { height: 8px; border-radius: 100px; background: var(--ch-bg-alt); margin-top: 12px; overflow: hidden; }
.ch-bar > span { display: block; height: 100%; border-radius: 100px; background: linear-gradient(90deg, var(--ch-primary), var(--ch-accent)); }
.ch-metrics { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.ch-metric { display: flex; align-items: center; gap: 12px; background: var(--ch-bg); border: 1px solid var(--ch-border-light); border-radius: var(--ch-radius-sm); padding: 12px 14px; }
.ch-metric .mi { width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 15px; color: #fff; background: linear-gradient(135deg, var(--ch-primary), var(--ch-primary-light)); flex-shrink: 0; }
.ch-metric .mt { flex: 1; }
.ch-metric .mt b { display: block; font-size: 14px; color: var(--ch-text); font-weight: 600; }
.ch-metric .mt span { font-size: 12px; color: var(--ch-text-muted); }
.ch-metric .ms { font-size: 13px; font-weight: 700; color: var(--ch-primary-dark); }
.ch-traffic { margin-bottom: 16px; }
.ch-traffic-h { font-size: 12.5px; font-weight: 600; color: var(--ch-text-secondary); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.ch-traffic-h i { color: var(--ch-primary); }
.ch-bars { display: flex; align-items: flex-end; gap: 6px; height: 52px; background: var(--ch-bg); border: 1px solid var(--ch-border-light); border-radius: var(--ch-radius-sm); padding: 12px 12px; }
.ch-bars span { flex: 1; border-radius: 4px 4px 0 0; background: linear-gradient(180deg, var(--ch-primary), var(--ch-accent)); opacity: .85; }
.ch-instances { }
.ch-instances-h { font-size: 12.5px; font-weight: 600; color: var(--ch-text-secondary); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.ch-instances-h i { color: var(--ch-primary); }
.ch-instance { display: flex; align-items: center; gap: 11px; background: var(--ch-bg); border: 1px solid var(--ch-border-light); border-radius: var(--ch-radius-sm); padding: 10px 13px; margin-bottom: 8px; }
.ch-instance .dot { width: 9px; height: 9px; border-radius: 50%; background: linear-gradient(135deg, #34d399, #059669); flex-shrink: 0; box-shadow: 0 0 0 3px rgba(16,185,129,.14); }
.ch-instance b { font-size: 13px; color: var(--ch-text); font-weight: 600; flex: 1; }
.ch-instance span { font-size: 11.5px; color: var(--ch-text-muted); }
.ch-mock-foot { margin-top: 16px; text-align: center; font-size: 12px; color: var(--ch-text-muted); }

/* ============ SECTIONS ============ */
.ch-section { padding: 100px 0; position: relative; }
.ch-section::before {
    content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 60%; max-width: 820px; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(43,26,16,.06), transparent);
}
.ch-wrap { width: 100%; padding: 0 24px; }
.ch-sec-head { text-align: center; margin-bottom: 64px; }
.ch-sec-label {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 11px; font-weight: 700; letter-spacing: 4px;
    color: var(--ch-primary-dark); background: var(--ch-primary-pale);
    padding: 7px 18px; border-radius: 100px; margin-bottom: 18px; border: 1px solid rgba(249,115,22,.16);
}
.ch-sec-title { font-size: clamp(30px, 4.4vw, 44px); font-weight: 800; color: var(--ch-text); margin-bottom: 14px; letter-spacing: -.02em; }
.ch-sec-div { display: flex; align-items: center; justify-content: center; gap: 14px; margin: 18px 0; }
.ch-sec-div span { width: 64px; height: 1px; background: linear-gradient(90deg, transparent, var(--ch-border)); }
.ch-sec-div span:last-child { background: linear-gradient(90deg, var(--ch-border), transparent); }
.ch-sec-div i { color: var(--ch-accent); font-size: 14px; }
.ch-sec-desc { font-size: 16px; color: var(--ch-text-secondary); max-width: 560px; margin: 0 auto; line-height: 1.8; }

/* ============ SERVICE TAGS ============ */
.ch-tags { padding: 22px 0; background: var(--ch-white); border-bottom: 1px solid var(--ch-border-light); }
.ch-tags-row { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.ch-tags-row a {
    padding: 10px 22px; background: var(--ch-bg); border: 1px solid transparent; border-radius: 100px;
    font-size: 13px; font-weight: 500; color: var(--ch-text-secondary); text-decoration: none; transition: all .3s;
}
.ch-tags-row a:hover { background: var(--ch-primary-pale); color: var(--ch-primary-dark); border-color: rgba(249,115,22,.15); }
.ch-tags-row a.active { background: linear-gradient(135deg, var(--ch-primary), var(--ch-primary-light)); color: #fff; box-shadow: 0 4px 16px rgba(249,115,22,.22); }

/* ============ CONFIG（实例配置） ============ */
.ch-products { background: var(--ch-bg); }
.ch-grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; }
.ch-card {
    background: var(--ch-white); border-radius: var(--ch-radius-lg); padding: 32px 26px 28px;
    border: 1px solid var(--ch-border-light); box-shadow: var(--ch-shadow-sm); transition: all .4s var(--ch-transition); position: relative; overflow: hidden;
}
.ch-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--ch-primary), var(--ch-accent), var(--ch-primary)); opacity: 0; transition: opacity .4s; border-radius: 0 0 4px 4px; }
.ch-card:hover { box-shadow: var(--ch-shadow-lg); transform: translateY(-6px); border-color: var(--ch-border); }
.ch-card:hover::before { opacity: 1; }
.ch-card-ext { font-size: 22px; font-weight: 800; color: var(--ch-text); letter-spacing: -.02em; }
.ch-card-type { display: inline-block; margin: 10px 0 16px; font-size: 12px; color: var(--ch-primary-dark); background: var(--ch-primary-pale); padding: 4px 12px; border-radius: 100px; }
.ch-card-price { display: flex; align-items: baseline; gap: 2px; margin-bottom: 16px; }
.ch-card-price .s { font-size: 16px; font-weight: 700; color: var(--ch-primary); }
.ch-card-price .v { font-size: 30px; font-weight: 800; color: var(--ch-text); line-height: 1; letter-spacing: -.03em; }
.ch-card-price .u { font-size: 13px; color: var(--ch-text-muted); margin-left: 2px; }
.ch-card ul { list-style: none; padding: 0; margin: 0 0 20px; }
.ch-card ul li { display: flex; align-items: center; gap: 10px; padding: 7px 0; font-size: 13px; color: var(--ch-text-secondary); }
.ch-card ul li i { color: var(--ch-primary); font-size: 13px; flex-shrink: 0; }
.ch-card-link { display: block; text-align: center; padding: 12px; border-radius: 100px; text-decoration: none; font-weight: 600; font-size: 14px; background: var(--ch-primary-pale); color: var(--ch-primary-dark); transition: all .35s var(--ch-transition); }
.ch-card-link:hover { background: linear-gradient(135deg, var(--ch-primary), var(--ch-primary-light)); color: #fff; box-shadow: 0 6px 20px rgba(249,115,22,.22); }
.ch-card-tag { position: absolute; top: 16px; right: 16px; font-size: 11px; font-weight: 700; padding: 4px 12px; border-radius: 100px; background: var(--ch-gold-soft); color: #b07a23; }
.ch-card-tag.hot { background: linear-gradient(135deg, var(--ch-primary), var(--ch-primary-light)); color: #fff; }

/* ============ ADVANTAGES ============ */
.ch-advantages { background: var(--ch-white); }
.ch-adv-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.ch-adv {
    background: var(--ch-bg); border-radius: var(--ch-radius-lg); padding: 38px 30px 32px;
    text-align: center; transition: all .4s var(--ch-transition); border: 1px solid transparent; position: relative; overflow: hidden;
}
.ch-adv::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--ch-primary), var(--ch-accent), var(--ch-primary)); opacity: 0; transition: opacity .4s; border-radius: 0 0 4px 4px; }
.ch-adv:hover { background: #fff; border-color: var(--ch-border); box-shadow: var(--ch-shadow-lg); transform: translateY(-6px); }
.ch-adv:hover::before { opacity: 1; }
.ch-adv-ic { width: 66px; height: 66px; margin: 0 auto 22px; display: flex; align-items: center; justify-content: center; font-size: 27px; color: var(--ch-primary); border-radius: 20px; background: linear-gradient(135deg, rgba(249,115,22,.1), rgba(252,165,89,.07)); transition: all .4s; }
.ch-adv:hover .ch-adv-ic { background: linear-gradient(135deg, var(--ch-primary), #fca559); color: #fff; border-radius: 18px; }
.ch-adv h3 { font-size: 18px; font-weight: 700; color: var(--ch-text); margin-bottom: 10px; }
.ch-adv p { font-size: 14px; color: var(--ch-text-secondary); line-height: 1.8; }

/* ============ PROCESS ============ */
.ch-process { background: var(--ch-bg); }
.ch-flow-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; }
.ch-step { background: var(--ch-white); border-radius: var(--ch-radius-lg); padding: 36px 26px; text-align: center; box-shadow: var(--ch-shadow-sm); border: 1px solid var(--ch-border-light); transition: all .4s var(--ch-transition); }
.ch-step:hover { transform: translateY(-6px); box-shadow: var(--ch-shadow-md); }
.ch-step .num { display: inline-flex; align-items: center; justify-content: center; width: 56px; height: 56px; border-radius: 18px; background: linear-gradient(135deg, var(--ch-primary), var(--ch-primary-light)); color: #fff; font-size: 22px; font-weight: 800; margin-bottom: 20px; box-shadow: 0 8px 22px rgba(249,115,22,.22); }
.ch-step .ic { width: 46px; height: 46px; margin: 0 auto 16px; display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--ch-accent); border-radius: 14px; background: var(--ch-accent-soft); }
.ch-step h3 { font-size: 18px; font-weight: 700; color: var(--ch-text); margin-bottom: 10px; }
.ch-step p { font-size: 14px; color: var(--ch-text-secondary); line-height: 1.8; }

/* ============ STATS（深色对比带） ============ */
.ch-stats { background: linear-gradient(150deg, #7c2d12 0%, #9a3412 35%, #c2410c 65%, #7c2d12 100%); color: #fff; overflow: hidden; }
.ch-stats::before { display: none; }
.ch-stats .ch-sec-label { color: #fed7aa; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.14); }
.ch-stats .ch-sec-title { color: #fff; }
.ch-stats .ch-sec-div i { color: var(--ch-accent); }
.ch-stats .ch-sec-desc { color: rgba(255,255,255,.78); }
.ch-stat-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.ch-stat { text-align: center; padding: 20px 10px; }
.ch-stat i { font-size: 24px; color: #fdba74; margin-bottom: 14px; }
.ch-stat .n { font-size: clamp(38px, 5vw, 56px); font-weight: 800; line-height: 1; letter-spacing: -.02em; background: linear-gradient(135deg, #fff, #fed7aa); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.ch-stat .l { margin-top: 10px; font-size: 14px; color: rgba(255,255,255,.72); }
.ch-stats-disc { margin: 36px auto 0; text-align: center; font-size: 12px; color: rgba(255,255,255,.55); line-height: 1.7; max-width: 760px; white-space: nowrap; }

/* ============ PACKAGES ============ */
.ch-packages { background: var(--ch-bg); min-height: 100vh; display: flex; align-items: center; }
.ch-pkg-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; align-items: start; max-width: 1120px; margin: 0 auto; }
.ch-pkg { background: var(--ch-white); border-radius: var(--ch-radius-xl); overflow: hidden; box-shadow: var(--ch-shadow); border: 1px solid var(--ch-border-light); transition: all .4s var(--ch-transition); position: relative; }
.ch-pkg:hover { box-shadow: var(--ch-shadow-lg); transform: translateY(-8px); }
.ch-pkg.hot { border: 2px solid var(--ch-primary-light); box-shadow: 0 10px 44px rgba(249,115,22,.12), 0 0 0 4px rgba(249,115,22,.05); transform: scale(1.04); z-index: 2; }
.ch-pkg.hot:hover { transform: scale(1.04) translateY(-6px); box-shadow: 0 18px 60px rgba(249,115,22,.16), 0 0 0 4px rgba(249,115,22,.07); }
.ch-pkg-badge { position: absolute; top: 18px; right: 18px; background: linear-gradient(135deg, var(--ch-primary), #fca559); color: #fff; padding: 6px 18px; border-radius: 100px; font-size: 12px; font-weight: 700; letter-spacing: .5px; box-shadow: 0 4px 12px rgba(249,115,22,.25); }
.ch-pkg-head { padding: 38px 28px 22px; text-align: center; background: linear-gradient(180deg, var(--ch-bg) 0%, #fff 100%); }
.ch-pkg.hot .ch-pkg-head { background: linear-gradient(180deg, var(--ch-primary-pale), #fff); }
.ch-pkg-head h3 { font-size: 21px; font-weight: 700; color: var(--ch-text); margin-bottom: 16px; }
.ch-pkg .price { display: flex; align-items: baseline; justify-content: center; gap: 2px; }
.ch-pkg .price .s { font-size: 20px; font-weight: 700; color: var(--ch-primary); align-self: flex-start; margin-top: 6px; }
.ch-pkg .price .v { font-size: 46px; font-weight: 800; color: var(--ch-text); line-height: 1; letter-spacing: -.03em; }
.ch-pkg .price .u { font-size: 13px; color: var(--ch-text-muted); align-self: flex-end; margin-bottom: 7px; font-weight: 500; }
.ch-pkg .desc { font-size: 13px; color: var(--ch-text-secondary); margin-top: 12px; }
.ch-pkg ul { list-style: none; padding: 22px 28px; }
.ch-pkg ul li { display: flex; align-items: center; gap: 10px; padding: 8px 0; font-size: 13px; color: var(--ch-text-secondary); }
.ch-pkg ul li i { color: var(--ch-primary); font-size: 14px; flex-shrink: 0; }
.ch-pkg .btn { display: block; margin: 4px 28px 32px; padding: 13px; text-align: center; border-radius: 100px; text-decoration: none; font-weight: 600; font-size: 14px; background: var(--ch-primary-pale); color: var(--ch-primary-dark); transition: all .35s var(--ch-transition); }
.ch-pkg.hot .btn { background: linear-gradient(135deg, var(--ch-primary), var(--ch-primary-light)); color: #fff; box-shadow: 0 6px 20px rgba(249,115,22,.25); }
.ch-pkg .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(249,115,22,.3); }
.ch-pkg-disc { margin: 36px auto 0; text-align: center; font-size: 12px; color: var(--ch-text-muted); line-height: 1.7; max-width: 760px; white-space: nowrap; }

/* ============ SPECS（技术规格） ============ */
.ch-specs { background: var(--ch-white); }
.ch-spec-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.ch-spec { display: flex; gap: 16px; background: var(--ch-bg); border-radius: var(--ch-radius-lg); padding: 26px 24px; border: 1px solid var(--ch-border-light); transition: all .4s var(--ch-transition); }
.ch-spec:hover { background: #fff; border-color: var(--ch-border); box-shadow: var(--ch-shadow-md); transform: translateY(-4px); }
.ch-spec .ic { flex-shrink: 0; width: 50px; height: 50px; display: flex; align-items: center; justify-content: center; font-size: 21px; color: #fff; border-radius: 15px; background: linear-gradient(135deg, var(--ch-primary), var(--ch-accent)); box-shadow: 0 6px 18px rgba(249,115,22,.2); }
.ch-spec h3 { font-size: 16px; font-weight: 700; color: var(--ch-text); margin-bottom: 6px; }
.ch-spec p { font-size: 13px; color: var(--ch-text-secondary); line-height: 1.7; }

/* ============ INDUSTRY ============ */
.ch-industry { background: var(--ch-bg); }
.ch-ind-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.ch-ind { display: flex; gap: 16px; background: var(--ch-white); border-radius: var(--ch-radius-lg); padding: 28px 26px; border: 1px solid var(--ch-border-light); transition: all .4s var(--ch-transition); }
.ch-ind:hover { background: #fff; border-color: var(--ch-border); box-shadow: var(--ch-shadow-md); transform: translateY(-4px); }
.ch-ind .ic { flex-shrink: 0; width: 52px; height: 52px; display: flex; align-items: center; justify-content: center; font-size: 22px; color: #fff; border-radius: 16px; background: linear-gradient(135deg, var(--ch-primary), var(--ch-accent)); box-shadow: 0 6px 18px rgba(249,115,22,.2); }
.ch-ind h3 { font-size: 17px; font-weight: 700; color: var(--ch-text); margin-bottom: 6px; }
.ch-ind p { font-size: 13.5px; color: var(--ch-text-secondary); line-height: 1.75; }

/* ============ TESTIMONIALS ============ */
.ch-tm { background: var(--ch-white); min-height: 100vh; display: flex; align-items: center; }
.ch-tm-grid {
    display: flex; gap: 24px; max-width: 1120px; margin: 0 auto;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}
.ch-tm-track { display: flex; gap: 24px; flex-shrink: 0; animation: chTmScroll 42s linear infinite; }
.ch-tm-grid:hover .ch-tm-track { animation-play-state: paused; }
@keyframes chTmScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.ch-tm-card { flex: 0 0 360px; background: var(--ch-bg); border-radius: var(--ch-radius-lg); padding: 34px 30px; border: 1px solid var(--ch-border-light); box-shadow: var(--ch-shadow-sm); transition: all .4s var(--ch-transition); position: relative; }
.ch-tm-card:hover { transform: translateY(-6px); box-shadow: var(--ch-shadow-md); }
.ch-tm-card .q { color: var(--ch-primary); opacity: .18; font-size: 40px; margin-bottom: 6px; }
.ch-tm-card p { font-size: 14.5px; color: var(--ch-text-secondary); line-height: 1.85; margin-bottom: 22px; }
.ch-tm-card .who { display: flex; align-items: center; gap: 12px; }
.ch-tm-card .av { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--ch-primary), var(--ch-accent)); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 17px; flex-shrink: 0; }
.ch-tm-card .who b { display: block; font-size: 15px; color: var(--ch-text); }
.ch-tm-card .who span { font-size: 12.5px; color: var(--ch-text-muted); }
.ch-tm-card .rate { margin-left: auto; color: var(--ch-accent); font-size: 13px; letter-spacing: 1px; }
.ch-tm-disc { margin: 34px auto 0; text-align: center; font-size: 12px; color: var(--ch-text-muted); line-height: 1.7; max-width: 760px; }

/* ============ FAQ ============ */
.ch-faq { background: var(--ch-bg); }
.ch-faq-wrap { max-width: 780px; margin: 0 auto; }
.ch-faq details { background: var(--ch-white); border-radius: var(--ch-radius); margin-bottom: 12px; border: 1px solid transparent; transition: all .35s; overflow: hidden; }
.ch-faq details:hover { border-color: var(--ch-border); box-shadow: var(--ch-shadow-sm); }
.ch-faq details[open] { background: #fff; border-color: var(--ch-primary-light); box-shadow: 0 4px 24px rgba(249,115,22,.08); }
.ch-faq summary { display: flex; align-items: center; gap: 14px; padding: 22px 28px; cursor: pointer; user-select: none; list-style: none; }
.ch-faq summary::-webkit-details-marker { display: none; }
.ch-faq summary .qn { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, var(--ch-primary), var(--ch-primary-light)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 800; flex-shrink: 0; box-shadow: 0 2px 8px rgba(249,115,22,.2); }
.ch-faq summary h4 { flex: 1; font-size: 16px; font-weight: 600; color: var(--ch-text); }
.ch-faq summary .ar { color: var(--ch-text-muted); font-size: 13px; transition: transform .35s; flex-shrink: 0; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: rgba(43,26,16,.04); }
.ch-faq details[open] summary .ar { transform: rotate(180deg); background: var(--ch-primary-pale); color: var(--ch-primary); }
.ch-faq .ans { padding: 0 28px 24px 78px; font-size: 15px; line-height: 1.85; color: var(--ch-text-secondary); }

/* ============ CTA ============ */
.ch-cta { background: linear-gradient(150deg, #c2410c 0%, #ea580c 30%, var(--ch-primary) 60%, #fca559 100%); padding: 84px 0; position: relative; overflow: hidden; }
.ch-cta::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 80% 50% at 20% 50%, rgba(255,255,255,.07), transparent 60%), radial-gradient(ellipse 60% 40% at 80% 20%, rgba(255,255,255,.05), transparent 60%); }
.ch-cta-inner { position: relative; z-index: 1; text-align: center; max-width: 760px; margin: 0 auto; padding: 0 24px; }
.ch-cta-inner h2 { font-size: clamp(30px, 4.4vw, 44px); font-weight: 800; color: #fff; margin-bottom: 16px; letter-spacing: -.02em; }
.ch-cta-inner > p { font-size: 18px; color: rgba(255,255,255,.82); margin-bottom: 38px; line-height: 1.7; }
.ch-cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.ch-cta-disc { margin: 28px auto 0; text-align: center; font-size: 12px; color: rgba(255,255,255,.55); line-height: 1.7; max-width: 680px; }

/* ============ REVEAL ============ */
.ch-reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ch-transition), transform .7s var(--ch-transition); }
.ch-reveal.is-in { opacity: 1; transform: none; }

/* ============ RESPONSIVE ============ */
@media (max-width:1500px){ .ch-hero-inner{ padding-left:20px; padding-right:20px; } }
@media (max-width: 1080px){
    .ch-hero { min-height: auto; padding: 120px 0 70px; }
    .ch-hero-inner { flex-direction: column; gap: 50px; padding-top: 120px; }
    .ch-hero-text { max-width: 100%; }
    .ch-hero-cta, .ch-hero-tags, .ch-hero-kpi { justify-content: center; }
    .ch-hero-text { text-align: center; }
    .ch-adv-grid { grid-template-columns: repeat(2,1fr); }
    .ch-flow-grid { grid-template-columns: repeat(2,1fr); }
    .ch-stat-grid { grid-template-columns: repeat(2,1fr); }
    .ch-pkg-grid { grid-template-columns: repeat(2,1fr); max-width: 700px; }
    .ch-pkg.hot { transform: none; }
    .ch-pkg.hot:hover { transform: translateY(-6px); }
    .ch-ind-grid { grid-template-columns: repeat(2,1fr); }
    .ch-grid-4 { grid-template-columns: repeat(2,1fr); }
    .ch-spec-grid { grid-template-columns: repeat(2,1fr); }
    .ch-tm-card { flex-basis: 320px; }
}
@media (max-width: 768px){
    .ch-section { padding: 70px 0; }
    .ch-hero-title { font-size: 36px; }
    .ch-sec-title { font-size: 30px; }
    .ch-hero-kpi { gap: 20px; }
    .ch-adv-grid, .ch-flow-grid, .ch-ind-grid, .ch-grid-4, .ch-spec-grid { grid-template-columns: 1fr; }
    .ch-pkg-grid { grid-template-columns: 1fr; max-width: 420px; }
    .ch-tm-card { flex-basis: 280px; }
    .ch-stat-grid { grid-template-columns: repeat(2,1fr); gap: 16px; }
    .ch-mock { width: 100%; }
    .ch-mock-pill--1 { left: 0; }
    .ch-mock-pill--2 { right: 0; }
    .ch-faq .ans { padding: 0 22px 20px 70px; }
    .ch-cta-btns { flex-direction: column; align-items: center; }
    .ch-cta-btns .ch-btn { width: 100%; max-width: 320px; justify-content: center; }
    .ch-sec-head { margin-bottom: 48px; }
    .ch-section::before { width: 80%; }
}
@media (max-width: 480px){
    .ch-section { padding: 52px 0; }
    .ch-hero-title { font-size: 30px; }
    .ch-hero-sub { font-size: 16px; }
    .ch-hero-kpi .k b { font-size: 22px; }
    .ch-pkg .price .v { font-size: 42px; }
    .ch-tm-card { padding: 26px 22px; }
    .ch-faq summary { padding: 18px 22px; gap: 10px; }
    .ch-faq summary .qn { width: 30px; height: 30px; font-size: 12px; border-radius: 8px; }
    .ch-faq summary h4 { font-size: 14px; }
    .ch-faq .ans { padding: 0 18px 18px 58px; }
    .ch-sec-head { margin-bottom: 36px; }
    .ch-tags-row a { padding: 8px 16px; font-size: 12px; }
}