/* ============================================================
   云计算栏目 · 品牌介绍页样式（/c/cloud-*）
   ------------------------------------------------------------
   一套骨架 + 5 套品牌色：品牌色由页面内联注入
     --cl  品牌主色    --cl2 品牌深色    --clg 品牌光晕
   页面根类名 cl-{brand}，如需某品牌单独微调，写 .cl-huawei { ... } 即可。
   注意：所有类名以 .cl- / .cloud-page 前缀作用域隔离，不影响站内其他页面。
   ============================================================ */

.cloud-page {
    --cl-ink: #0E1726;
    --cl-ink2: #51617A;
    --cl-ink3: #7C8AA0;
    --cl-line: #E5EAF1;
    --cl-bg: #FFFFFF;
    --cl-bg-soft: #F5F7FB;
    --cl-radius: 14px;
    color: var(--cl-ink);
    background: var(--cl-bg);
}

/* ---------- 二级导航紧贴页头时的收口（统一保留区） ---------- */
.cloud-page > .bsub { border-top: 0; }

/* ---------- 通用板块骨架 ---------- */
.cl-sec { padding: 64px 0; }
.cl-sec-alt { background: var(--cl-bg-soft); }
.cl-sec-tight { padding: 56px 0 64px; }
.cl-head { margin-bottom: 34px; }
.cl-head-center { text-align: center; }
.cl-head-center .cl-sub { margin-left: auto; margin-right: auto; }
.cl-eyebrow {
    display: inline-block; padding: 4px 12px; border-radius: 20px;
    font-size: 12px; letter-spacing: .06em;
    color: var(--cl); background: var(--cl-tint);
    border: 1px solid var(--cl-edge);
}
.cl-eyebrow-inv { color: #fff; background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .22); }
.cl-h2 { margin-top: 14px; font-size: 27px; line-height: 1.34; font-weight: 700; letter-spacing: .2px; }
.cl-sub { margin-top: 10px; max-width: 720px; font-size: 14.5px; line-height: 1.75; color: var(--cl-ink2); }

/* ============================================================
   ① 首屏
   ============================================================ */
.cl-hero {
    position: relative; overflow: hidden; color: #fff;
    background: radial-gradient(120% 140% at 78% 8%, #16202F 0%, #0C131E 46%, #080D15 100%);
    padding: 56px 0 60px;
}
.cl-hero-glow {
    position: absolute; top: -230px; right: -140px; width: 760px; height: 760px; border-radius: 50%;
    background: radial-gradient(circle, var(--clg) 0%, transparent 62%);
    pointer-events: none;
}
.cl-hero-grid {
    position: absolute; inset: 0; pointer-events: none; opacity: .5;
    background-image:
        linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
    background-size: 58px 58px;
    mask-image: radial-gradient(80% 70% at 30% 20%, #000 0%, transparent 78%);
    -webkit-mask-image: radial-gradient(80% 70% at 30% 20%, #000 0%, transparent 78%);
}
.cl-hero-in { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr); gap: 48px; align-items: center; }

.cl-brand { display: flex; align-items: center; gap: 13px; }
.cl-mark {
    display: grid; place-items: center; width: 52px; height: 52px; border-radius: 13px;
    background: linear-gradient(140deg, var(--cl) 0%, var(--cl2) 100%);
    color: #fff; font-size: 15px; font-weight: 800; letter-spacing: .5px;
    box-shadow: 0 10px 26px -10px var(--cl);
}
.cl-brand-txt { display: flex; flex-direction: column; gap: 3px; }
.cl-brand-txt b { font-size: 21px; letter-spacing: .5px; }
.cl-brand-txt i { font-size: 12px; font-style: normal; letter-spacing: .16em; text-transform: uppercase; color: rgba(255, 255, 255, .58); }

.cl-badge {
    display: inline-flex; align-items: center; gap: 8px; margin-top: 22px;
    padding: 7px 15px; border-radius: 20px; font-size: 12.5px;
    color: rgba(255, 255, 255, .9);
    background: rgba(255, 255, 255, .07);
    border: 1px solid rgba(255, 255, 255, .16);
}
.cl-badge i { width: 7px; height: 7px; border-radius: 50%; background: var(--cl); box-shadow: 0 0 0 4px var(--cls); }

.cl-h1 { margin-top: 20px; font-size: 46px; line-height: 1.18; font-weight: 800; letter-spacing: .5px; }
.cl-h1 em { font-style: normal; background: linear-gradient(96deg, var(--cl) 12%, #FFC98A 96%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.cl-lead { margin-top: 18px; max-width: 620px; font-size: 15px; line-height: 1.9; color: rgba(255, 255, 255, .76); }
.cl-lead b { color: #fff; font-weight: 600; }

.cl-btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.cl-btn { display: inline-flex; align-items: center; padding: 12px 24px; border-radius: 10px; font-size: 14.5px; transition: .18s; }
.cl-btn-main { color: #fff; background: linear-gradient(135deg, var(--cl) 0%, var(--cl2) 100%); box-shadow: 0 12px 26px -12px var(--cl); }
.cl-btn-main:hover { transform: translateY(-1px); box-shadow: 0 16px 30px -12px var(--cl); }
.cl-btn-ghost { color: rgba(255, 255, 255, .88); border: 1px solid rgba(255, 255, 255, .24); }
.cl-btn-ghost:hover { border-color: rgba(255, 255, 255, .5); background: rgba(255, 255, 255, .06); }

.cl-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 38px; }
.cl-stat { padding: 16px 18px; border-radius: 12px; background: rgba(255, 255, 255, .055); border: 1px solid rgba(255, 255, 255, .1); }
.cl-stat b { display: block; font-size: 24px; font-weight: 700; letter-spacing: .3px; }
.cl-stat span { display: block; margin-top: 6px; font-size: 12px; color: rgba(255, 255, 255, .62); }

/* 首屏右侧：控制台浮层（纯 CSS 绘制，不依赖图片） */
.cl-vis { position: relative; padding: 8px 0 26px; }
.cl-vcard {
    border-radius: 13px; padding: 15px 17px;
    background: rgba(255, 255, 255, .075);
    border: 1px solid rgba(255, 255, 255, .14);
    backdrop-filter: blur(8px);
    box-shadow: 0 24px 50px -26px rgba(0, 0, 0, .8);
}
.cl-v1 { position: relative; z-index: 2; width: 100%; }
.cl-v2 { position: relative; z-index: 3; width: 88%; margin: -14px 0 0 auto; }
.cl-v3 { position: relative; z-index: 4; width: 78%; margin: -14px auto 0 0; }
.cl-vhd { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: rgba(255, 255, 255, .82); }
.cl-vhd i { width: 7px; height: 7px; border-radius: 50%; background: var(--cl); }
.cl-vrow { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 11px; font-size: 12.5px; color: rgba(255, 255, 255, .6); }
.cl-vrow b { color: rgba(255, 255, 255, .92); font-weight: 600; }
.cl-vrow b.is-ok { color: #4ADE80; }
.cl-vbar { height: 5px; margin-top: 12px; border-radius: 4px; background: rgba(255, 255, 255, .12); overflow: hidden; }
.cl-vbar i { display: block; height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--cl) 0%, var(--cl2) 100%); }
.cl-vtags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.cl-vtags span {
    padding: 5px 10px; border-radius: 7px; font-size: 11.5px; color: rgba(255, 255, 255, .84);
    background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .12);
}
.cl-vtags span:first-child { color: #fff; background: var(--cls); border-color: var(--clg); }

/* ============================================================
   ② 品牌速览
   ============================================================ */
.cl-about { display: grid; grid-template-columns: minmax(0, 1.34fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.cl-about-txt p { font-size: 14.5px; line-height: 1.95; color: var(--cl-ink2); }
.cl-about-txt p + p { margin-top: 14px; }

.cl-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--cl-line); border: 1px solid var(--cl-line); border-radius: var(--cl-radius); overflow: hidden; }
.cl-fact { padding: 15px 17px; background: #fff; }
.cl-fact span { display: block; font-size: 12px; color: var(--cl-ink3); }
.cl-fact b { display: block; margin-top: 6px; font-size: 13.5px; line-height: 1.55; font-weight: 600; }

.cl-concepts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 30px; }
.cl-concept { position: relative; padding: 22px 22px 24px; border-radius: var(--cl-radius); background: var(--cl-bg-soft); border: 1px solid var(--cl-line); }
.cl-cnum { display: block; font-size: 12px; font-weight: 700; letter-spacing: .12em; color: var(--cl); }
.cl-concept b { display: block; margin-top: 9px; font-size: 15px; }
.cl-concept p { margin-top: 8px; font-size: 13px; line-height: 1.75; color: var(--cl-ink2); }

/* ============================================================
   ③ 产品体系
   ============================================================ */
.cl-groups { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cl-group { padding: 20px 20px 18px; border-radius: var(--cl-radius); background: #fff; border: 1px solid var(--cl-line); transition: .18s; }
.cl-group:hover { border-color: var(--cl-edge); box-shadow: 0 14px 30px -20px var(--clg); }
.cl-group-hd { display: flex; align-items: center; gap: 9px; font-size: 14.5px; font-weight: 700; }
.cl-group-hd::before { content: ''; width: 4px; height: 15px; border-radius: 3px; background: var(--cl); }
.cl-group ul { margin-top: 13px; }
.cl-group li { position: relative; padding-left: 13px; font-size: 13px; line-height: 2; color: var(--cl-ink2); }
.cl-group li::before { content: ''; position: absolute; left: 0; top: 12px; width: 4px; height: 4px; border-radius: 50%; background: var(--cl-edge); }
.cl-note { display: flex; align-items: flex-start; gap: 8px; margin-top: 22px; font-size: 12.5px; line-height: 1.75; color: var(--cl-ink3); }
.cl-note svg { flex: none; width: 15px; height: 15px; margin-top: 2px; color: var(--cl); }

/* ============================================================
   ④ 核心技术
   ============================================================ */
.cl-tech { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 34px; align-items: start; }
.cl-tech-item { display: flex; gap: 16px; padding: 20px 22px; border-radius: var(--cl-radius); background: var(--cl-bg-soft); border: 1px solid var(--cl-line); }
.cl-tech-item + .cl-tech-item { margin-top: 14px; }
.cl-tnum {
    flex: none; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px;
    font-size: 13px; font-weight: 700;
    color: var(--cl); background: var(--cl-tint);
}
.cl-tech-item b { display: block; font-size: 15px; }
.cl-tech-item p { margin-top: 7px; font-size: 13.2px; line-height: 1.8; color: var(--cl-ink2); }

.cl-techcard {
    position: relative; overflow: hidden; padding: 26px 26px 22px; border-radius: 16px;
    color: #fff; background: radial-gradient(120% 120% at 88% 0%, #1B2534 0%, #0C131E 58%, #080D15 100%);
    border: 1px solid rgba(255, 255, 255, .08);
}
.cl-techcard::after {
    content: ''; position: absolute; right: -90px; bottom: -110px; width: 300px; height: 300px; border-radius: 50%;
    background: radial-gradient(circle, var(--clg) 0%, transparent 66%);
}
.cl-tlabel { position: relative; z-index: 1; font-size: 11px; letter-spacing: .18em; color: rgba(255, 255, 255, .5); }
.cl-tstats { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 20px 16px; margin-top: 20px; }
.cl-tstats b { display: block; font-size: 23px; font-weight: 700; }
.cl-tstats span { display: block; margin-top: 6px; font-size: 12px; line-height: 1.5; color: rgba(255, 255, 255, .58); }
.cl-tsrc { position: relative; z-index: 1; display: flex; align-items: center; gap: 8px; margin-top: 22px; padding-top: 15px; font-size: 11.5px; color: rgba(255, 255, 255, .5); border-top: 1px solid rgba(255, 255, 255, .1); }
.cl-tsrc i { width: 6px; height: 6px; border-radius: 50%; background: var(--cl); }

/* ============================================================
   ⑤ 核心优势
   ============================================================ */
.cl-advs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cl-adv { padding: 22px 22px 24px; border-radius: var(--cl-radius); background: #fff; border: 1px solid var(--cl-line); }
.cl-adv-dot { display: block; width: 30px; height: 4px; border-radius: 3px; background: linear-gradient(90deg, var(--cl) 0%, var(--cl2) 100%); }
.cl-adv b { display: block; margin-top: 14px; font-size: 15.5px; }
.cl-adv p { margin-top: 9px; font-size: 13.2px; line-height: 1.82; color: var(--cl-ink2); }

/* ============================================================
   ⑥ 基础设施（深色区）
   ============================================================ */
.cl-infra { position: relative; overflow: hidden; padding: 62px 0; color: #fff; background: radial-gradient(130% 130% at 12% 0%, #1A2433 0%, #0C131E 56%, #070C13 100%); }
.cl-infra::after {
    content: ''; position: absolute; left: -120px; bottom: -160px; width: 520px; height: 520px; border-radius: 50%;
    background: radial-gradient(circle, var(--clg) 0%, transparent 64%);
}
.cl-infra .container { position: relative; z-index: 1; }
.cl-infra .cl-h2 { color: #fff; }
.cl-infra .cl-sub { color: rgba(255, 255, 255, .66); }
.cl-infra-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 30px; }
.cl-infra-stats > div { padding: 20px 22px; border-radius: 13px; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); }
.cl-infra-stats b { display: block; font-size: 26px; font-weight: 700; }
.cl-infra-stats span { display: block; margin-top: 7px; font-size: 12px; color: rgba(255, 255, 255, .6); }
.cl-certs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.cl-cert {
    display: inline-flex; align-items: center; gap: 8px; padding: 9px 15px; border-radius: 24px;
    font-size: 12.5px; color: rgba(255, 255, 255, .84);
    background: rgba(255, 255, 255, .045); border: 1px solid rgba(255, 255, 255, .12);
}
.cl-cert i { width: 6px; height: 6px; border-radius: 50%; background: var(--cl); }

/* ============================================================
   ⑦ 适用场景
   ============================================================ */
.cl-scenes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cl-scene { padding: 22px; border-radius: var(--cl-radius); background: var(--cl-bg-soft); border: 1px solid var(--cl-line); }
.cl-slabel { display: inline-block; padding: 4px 11px; border-radius: 20px; font-size: 12px; font-weight: 600; color: var(--cl); background: var(--cl-tint); }
.cl-scene b { display: block; margin-top: 13px; font-size: 15px; }
.cl-scene p { margin-top: 8px; font-size: 13.2px; line-height: 1.8; color: var(--cl-ink2); }

/* ============================================================
   ⑧ 转化区
   ============================================================ */
.cl-cta {
    position: relative; overflow: hidden; border-radius: 18px; padding: 40px 44px 38px;
    color: #fff;
    background: linear-gradient(118deg, var(--cl2) 0%, var(--cl) 100%);
    box-shadow: 0 30px 60px -34px var(--cl);
}
.cl-cta-glow { position: absolute; right: -110px; top: -140px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(255, 255, 255, .3), transparent 62%); }
.cl-cta-in { position: relative; z-index: 1; }
.cl-cta-title { font-size: 27px; font-weight: 700; letter-spacing: .3px; color: #fff; }
.cl-cta-text { margin-top: 14px; max-width: 820px; font-size: 14.5px; line-height: 1.9; color: rgba(255, 255, 255, .92); }
.cl-cta-points { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; margin-top: 28px; }
.cl-cta-point { padding: 16px 17px; border-radius: 12px; background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .22); }
.cl-cta-point b { display: block; font-size: 14px; color: #fff; }
.cl-cta-point span { display: block; margin-top: 7px; font-size: 12.5px; line-height: 1.7; color: rgba(255, 255, 255, .9); }
.cl-cta-btns { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 30px; }
.cl-cta-btn { display: inline-flex; align-items: center; padding: 13px 30px; border-radius: 10px; font-size: 15px; font-weight: 600; color: var(--cl); background: #fff; box-shadow: 0 14px 28px -16px rgba(0, 0, 0, .5); transition: .18s; }
.cl-cta-btn:hover { transform: translateY(-1px); }
.cl-cta-tel { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; color: rgba(255, 255, 255, .92); }
.cl-cta-tel b { font-size: 20px; font-weight: 700; letter-spacing: .4px; }

/* ============================================================
   ⑨ 常见问题 + 选购指引
   ============================================================ */
.cl-faq { max-width: 920px; margin: 0 auto; }
.cl-faq-item { border-radius: var(--cl-radius); background: #fff; border: 1px solid var(--cl-line); overflow: hidden; }
.cl-faq-item + .cl-faq-item { margin-top: 12px; }
.cl-faq-item[open] { border-color: var(--cl-edge); box-shadow: 0 16px 34px -26px var(--clg); }
.cl-faq-item summary {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 18px 22px; font-size: 15px; font-weight: 600; cursor: pointer; list-style: none;
}
.cl-faq-item summary::-webkit-details-marker { display: none; }
.cl-faq-item summary:hover { color: var(--cl); }
.cl-faq-item[open] summary { color: var(--cl); }
.cl-faq-item summary svg { flex: none; width: 18px; height: 18px; color: var(--cl-ink3); transition: transform .2s; }
.cl-faq-item[open] summary svg { transform: rotate(180deg); color: var(--cl); }
.cl-faq-a { padding: 0 22px 20px; }
.cl-faq-a p { font-size: 13.4px; line-height: 1.95; color: var(--cl-ink2); }

.cl-buybar {
    display: flex; align-items: center; justify-content: space-between; gap: 22px;
    max-width: 920px; margin: 26px auto 0; padding: 20px 24px; border-radius: var(--cl-radius);
    background: var(--cl-tint);
    border: 1px dashed var(--cl-edge);
}
.cl-buybar p { font-size: 13px; line-height: 1.8; color: var(--cl-ink2); }
.cl-buybar p a { color: var(--cl); font-weight: 600; }
.cl-buybar-btn {
    flex: none; display: inline-flex; align-items: center; gap: 7px;
    padding: 11px 20px; border-radius: 9px; font-size: 13.5px; font-weight: 600;
    color: var(--cl); background: #fff; border: 1px solid var(--cl-edge); transition: .18s;
}
.cl-buybar-btn:hover { color: #fff; background: var(--cl); border-color: var(--cl); }
.cl-buybar-btn svg { width: 15px; height: 15px; }

.cl-src { max-width: 920px; margin: 20px auto 0; font-size: 12px; color: var(--cl-ink3); text-align: center; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1180px) {
    .cl-groups { grid-template-columns: repeat(3, 1fr); }
    .cl-h1 { font-size: 40px; }
}

@media (max-width: 980px) {
    .cl-hero-in { grid-template-columns: 1fr; gap: 34px; }
    .cl-vis { max-width: 460px; }
    .cl-about { grid-template-columns: 1fr; gap: 28px; }
    .cl-tech { grid-template-columns: 1fr; }
    .cl-advs, .cl-scenes, .cl-concepts { grid-template-columns: 1fr 1fr; }
    .cl-groups { grid-template-columns: 1fr 1fr; }
    .cl-cta-points { grid-template-columns: 1fr 1fr; }
    .cl-infra-stats, .cl-stats { grid-template-columns: 1fr 1fr; }
    .cl-cta { padding: 32px 28px 30px; }
    .cl-cta-title { font-size: 23px; }
}

@media (max-width: 640px) {
    .cl-sec, .cl-sec-tight { padding: 40px 0; }
    .cl-infra { padding: 44px 0; }
    .cl-h1 { font-size: 30px; }
    .cl-h2 { font-size: 22px; }
    .cl-hero { padding: 36px 0 42px; }
    .cl-about-txt p, .cl-lead { font-size: 13.6px; }
    .cl-groups, .cl-advs, .cl-scenes, .cl-concepts { grid-template-columns: 1fr; }
    .cl-cta-points { grid-template-columns: 1fr; }
    .cl-buybar { flex-direction: column; align-items: stretch; }
    .cl-facts { grid-template-columns: 1fr; }
    .cl-stats { gap: 10px; }
    .cl-stat { padding: 13px 14px; }
    .cl-stat b { font-size: 20px; }
}