/* ============================================================
   链未云算力基础设施  lwyiaas  页面样式
   设计：浅色企业风 / 蓝色主题 / 大气官网
   变量前缀：lianwei
   ============================================================ */

.lw-page {
    --lw-brand: #1a6dff;
    --lw-brand-d: #0b4fd6;
    --lw-brand-2: #00b4d8;
    --lw-brand-3: #6c4cff;
    --lw-grad: linear-gradient(120deg, #1a6dff 0%, #00b4d8 100%);
    --lw-grad-soft: linear-gradient(120deg, rgba(26,109,255,.10), rgba(0,180,216,.06));
    --lw-bg: #ffffff;
    --lw-bg-2: #f4f7fc;
    --lw-bg-3: #eef3fb;
    --lw-card: #ffffff;
    --lw-card-border: #e3e9f2;
    --lw-line: #eef1f6;
    --lw-txt: #16223a;
    --lw-txt-2: #5a6b85;
    --lw-txt-3: #8a97ad;
    --lw-shadow: 0 18px 50px -22px rgba(20, 60, 140, .28);
    font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--lw-txt);
    background: var(--lw-bg);
    position: relative;
    overflow: hidden;
}

/* 浅色背景光晕（不再用深色全屏 fixed 层，避免盖住白底） */
.lw-page .lw-bgfx {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(50vw 38vw at 85% -8%, rgba(26,109,255,.10), transparent 60%),
        radial-gradient(46vw 36vw at 0% 12%, rgba(0,180,216,.08), transparent 60%),
        linear-gradient(180deg, #ffffff 0%, #f6f9fe 60%, #ffffff 100%);
}
.lw-page .lw-grid {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(26,109,255,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(26,109,255,.05) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(75vw 60vh at 50% 8%, #000 20%, transparent 75%);
    mask-image: radial-gradient(75vw 60vh at 50% 8%, #000 20%, transparent 75%);
}

.lw-page .lw-wrap {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 通用标题 */
.lw-page .lw-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--lw-brand);
    padding: 6px 15px;
    border: 1px solid rgba(26,109,255,.25);
    border-radius: 999px;
    background: rgba(26,109,255,.06);
}
.lw-page .lw-eyebrow::before {
    content: "";
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--lw-grad);
}
.lw-page .lw-h2 {
    font-size: 40px;
    line-height: 1.2;
    font-weight: 800;
    margin: 16px 0 12px;
    letter-spacing: .5px;
    color: var(--lw-txt);
}
.lw-page .lw-sub {
    color: var(--lw-txt-2);
    font-size: 17px;
    line-height: 1.7;
    max-width: 760px;
    margin: 0 auto;
}
.lw-page .lw-center { text-align: center; }
.lw-page .lw-center .lw-sub { margin-left: auto; margin-right: auto; }

/* ---------- Hero ---------- */
.lw-page .lw-hero {
    position: relative;
    padding: 110px 0 80px;
}
.lw-page .lw-hero .lw-inner {
    text-align: center;
    max-width: 920px;
    margin: 0 auto;
}
.lw-page .lw-hero .lw-badge { margin-bottom: 26px; }
.lw-page .lw-hero h1 {
    font-size: 62px;
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: 1px;
    margin: 0 0 24px;
    color: var(--lw-txt);
}
.lw-page .lw-hero h1 .lw-accent {
    background: var(--lw-grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.lw-page .lw-hero p {
    color: var(--lw-txt-2);
    font-size: 19px;
    line-height: 1.8;
    max-width: 720px;
    margin: 0 auto 36px;
}
.lw-page .lw-hero .lw-cta {
    display: inline-flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}
/* Hero 底部一层产品快捷条，增强大气感 */
.lw-page .lw-hero-bar {
    margin-top: 60px;
    border: 1px solid var(--lw-card-border);
    background: rgba(255,255,255,.7);
    backdrop-filter: blur(8px);
    border-radius: 18px;
    padding: 22px 26px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px 34px;
    justify-content: center;
    box-shadow: var(--lw-shadow);
}
.lw-page .lw-hero-bar a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--lw-txt);
    text-decoration: none;
    transition: color .2s;
}
.lw-page .lw-hero-bar a:hover { color: var(--lw-brand); }
.lw-page .lw-hero-bar a .dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--lw-grad);
}

/* 按钮 */
.lw-page .lw-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 15px 30px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    transition: transform .25s ease, box-shadow .25s ease, background .25s;
    cursor: pointer;
    border: 1px solid transparent;
}
.lw-page .lw-btn-primary {
    color: #fff;
    background: var(--lw-grad);
    box-shadow: 0 14px 30px -10px rgba(26,109,255,.55);
}
.lw-page .lw-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 42px -10px rgba(26,109,255,.65);
}
.lw-page .lw-btn-ghost {
    color: var(--lw-brand);
    background: #fff;
    border: 1px solid rgba(26,109,255,.35);
}
.lw-page .lw-btn-ghost:hover {
    transform: translateY(-3px);
    border-color: var(--lw-brand);
    background: rgba(26,109,255,.04);
}

/* 数据指标 */
.lw-page .lw-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 70px;
}
.lw-page .lw-stat {
    border: 1px solid var(--lw-card-border);
    background: var(--lw-card);
    border-radius: 16px;
    padding: 30px 22px;
    text-align: center;
    box-shadow: 0 10px 30px -20px rgba(20,60,140,.25);
}
.lw-page .lw-stat .num {
    font-size: 36px;
    font-weight: 800;
    background: var(--lw-grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.lw-page .lw-stat .lab {
    color: var(--lw-txt-2);
    font-size: 14.5px;
    margin-top: 8px;
}

/* ---------- Section ---------- */
.lw-page .lw-section { padding: 80px 0; position: relative; }
.lw-page .lw-section.alt { background: var(--lw-bg-2); }
.lw-page .lw-section-head { margin-bottom: 50px; text-align: center; }

/* ---------- 产品独立版块 ---------- */
.lw-page .lw-pblocks {
    display: flex;
    flex-direction: column;
    gap: 64px;
}
.lw-page .lw-pblock {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 48px;
    align-items: center;
}
/* 交替左右 */
.lw-page .lw-pblock:nth-child(even) .lw-pb-text { order: 2; }
.lw-page .lw-pblock:nth-child(even) .lw-pb-visual { order: 1; }

.lw-page .lw-pb-region {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--lw-brand);
    background: rgba(26,109,255,.07);
    border: 1px solid rgba(26,109,255,.2);
    padding: 6px 14px;
    border-radius: 999px;
}
.lw-page .lw-pb-flag { font-size: 15px; }
.lw-page .lw-pb-title {
    font-size: 30px;
    font-weight: 800;
    margin: 16px 0 12px;
    color: var(--lw-txt);
}
.lw-page .lw-pb-desc {
    color: var(--lw-txt-2);
    font-size: 15.5px;
    line-height: 1.8;
    margin: 0 0 18px;
}
.lw-page .lw-pb-specs {
    list-style: none;
    margin: 0 0 20px;
    padding: 22px 24px;
    border: 1px solid var(--lw-card-border);
    border-radius: 16px;
    background: var(--lw-bg-2);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 24px;
}
.lw-page .lw-pb-specs li {
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.lw-page .lw-pb-specs li span {
    font-size: 12.5px;
    color: var(--lw-txt-3);
}
.lw-page .lw-pb-specs li b {
    font-size: 16px;
    font-weight: 700;
    color: var(--lw-txt);
}
.lw-page .lw-pb-note {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #1a8a4a;
    background: rgba(26,170,80,.08);
    border: 1px solid rgba(26,170,80,.25);
    padding: 8px 16px;
    border-radius: 10px;
    margin-bottom: 22px;
}
.lw-page .lw-pb-note::before { content: "✓"; font-weight: 800; }

/* 右侧视觉卡 */
.lw-page .lw-pb-visual { display: flex; justify-content: center; }
.lw-page .lw-pb-card {
    width: 100%;
    max-width: 380px;
    border: 1px solid var(--lw-card-border);
    border-radius: 22px;
    background: var(--lw-card);
    box-shadow: var(--lw-shadow);
    overflow: hidden;
}
.lw-page .lw-pb-card-top {
    padding: 22px 26px;
    font-size: 18px;
    font-weight: 800;
    color: #fff;
    background: var(--lw-grad);
}
.lw-page .lw-pb-spec-show {
    padding: 22px 26px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 20px;
}
.lw-page .lw-pb-ss { display: flex; flex-direction: column; gap: 3px; }
.lw-page .lw-pb-ss span { font-size: 12px; color: var(--lw-txt-3); }
.lw-page .lw-pb-ss b { font-size: 15px; font-weight: 700; color: var(--lw-txt); }
.lw-page .lw-pb-price {
    padding: 18px 26px 24px;
    font-size: 14px;
    color: var(--lw-txt-2);
    border-top: 1px solid var(--lw-line);
}
.lw-page .lw-pb-price em {
    font-style: normal;
    font-weight: 800;
    color: var(--lw-brand);
    font-size: 17px;
    margin-left: 6px;
}

/* 域名版块 */
.lw-page .lw-pb-domains {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.lw-page .lw-pb-dom {
    border: 1px solid var(--lw-card-border);
    background: var(--lw-card);
    border-radius: 14px;
    padding: 22px 10px;
    text-align: center;
    font-size: 18px;
    font-weight: 800;
    color: var(--lw-txt);
    box-shadow: 0 10px 28px -22px rgba(20,60,140,.3);
    transition: transform .25s, border-color .25s, color .25s;
}
.lw-page .lw-pb-dom:hover {
    transform: translateY(-5px);
    border-color: rgba(26,109,255,.45);
    color: var(--lw-brand);
}

/* 产品网格（旧，保留兼容） */
.lw-page .lw-products {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.lw-page .lw-card {
    position: relative;
    border: 1px solid var(--lw-card-border);
    background: var(--lw-card);
    border-radius: 20px;
    padding: 32px 28px;
    overflow: hidden;
    transition: transform .3s ease, border-color .3s, box-shadow .3s;
    text-decoration: none;
    color: var(--lw-txt);
    display: flex;
    flex-direction: column;
}
.lw-page .lw-card::after {
    content: "";
    position: absolute;
    left: 0; top: 0;
    width: 100%; height: 4px;
    background: var(--lw-grad);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .35s ease;
}
.lw-page .lw-card:hover {
    transform: translateY(-8px);
    border-color: rgba(26,109,255,.4);
    box-shadow: var(--lw-shadow);
}
.lw-page .lw-card:hover::after { transform: scaleX(1); }
.lw-page .lw-card .lw-ico {
    width: 60px; height: 60px;
    border-radius: 16px;
    display: grid; place-items: center;
    font-size: 28px;
    background: var(--lw-grad-soft);
    border: 1px solid rgba(26,109,255,.15);
    margin-bottom: 22px;
}
.lw-page .lw-card h3 {
    font-size: 22px;
    font-weight: 800;
    margin: 0 0 12px;
    color: var(--lw-txt);
}
.lw-page .lw-card .lw-desc {
    color: var(--lw-txt-2);
    font-size: 15px;
    line-height: 1.75;
    flex: 1;
}
.lw-page .lw-card .lw-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 18px 0 18px;
}
.lw-page .lw-card .lw-tag {
    font-size: 12.5px;
    color: var(--lw-brand);
    border: 1px solid rgba(26,109,255,.2);
    background: rgba(26,109,255,.06);
    padding: 5px 11px;
    border-radius: 999px;
}
.lw-page .lw-card .lw-go {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--lw-brand);
    font-size: 14.5px;
    font-weight: 700;
}
.lw-page .lw-card .lw-go i { transition: transform .25s; font-style: normal; }
.lw-page .lw-card:hover .lw-go i { transform: translateX(5px); }

/* 核心能力 */
.lw-page .lw-feats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
.lw-page .lw-feat {
    border: 1px solid var(--lw-card-border);
    border-radius: 18px;
    padding: 30px 24px;
    background: var(--lw-card);
    box-shadow: 0 10px 30px -22px rgba(20,60,140,.25);
    transition: transform .3s, box-shadow .3s;
}
.lw-page .lw-feat:hover { transform: translateY(-6px); box-shadow: var(--lw-shadow); }
.lw-page .lw-feat .lw-fico {
    width: 52px; height: 52px;
    border-radius: 14px;
    display: grid; place-items: center;
    font-size: 24px;
    background: var(--lw-grad-soft);
    border: 1px solid rgba(26,109,255,.15);
    margin-bottom: 18px;
}
.lw-page .lw-feat h4 { font-size: 18px; font-weight: 800; margin: 0 0 10px; color: var(--lw-txt); }
.lw-page .lw-feat p { color: var(--lw-txt-2); font-size: 14px; line-height: 1.7; margin: 0; }

/* ---------- Tab 切换 ---------- */
.lw-page .lw-tabs { position: relative; }
.lw-page .lw-tab-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-start;
    margin-bottom: 38px;
    border-bottom: 1px solid var(--lw-line);
    padding-bottom: 0;
}
.lw-page .lw-tabs-center .lw-tab-bar { justify-content: center; }
.lw-page .lw-tab-btn {
    position: relative;
    appearance: none;
    cursor: pointer;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 15px;
    font-weight: 700;
    color: var(--lw-txt-2);
    padding: 14px 20px 18px;
    border-radius: 10px 10px 0 0;
    transition: color .2s;
    white-space: nowrap;
}
.lw-page .lw-tab-btn::after {
    content: "";
    position: absolute;
    left: 14px; right: 14px; bottom: -1px;
    height: 3px;
    border-radius: 3px;
    background: var(--lw-grad);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform .28s ease;
}
.lw-page .lw-tab-btn:hover { color: var(--lw-brand); }
.lw-page .lw-tab-btn.active { color: var(--lw-brand); }
.lw-page .lw-tab-btn.active::after { transform: scaleX(1); }
.lw-page .lw-tab-panels { position: relative; }
.lw-page .lw-tab-panel { display: none; animation: lwFade .35s ease; }
.lw-page .lw-tab-panel.active { display: block; }
@keyframes lwFade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- AI Token 服务 ---------- */
.lw-page .lw-tokens {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.lw-page .lw-token {
    position: relative;
    border: 1px solid var(--lw-card-border);
    background: var(--lw-card);
    border-radius: 18px;
    padding: 26px;
    box-shadow: 0 10px 28px -22px rgba(20,60,140,.25);
    transition: transform .3s, box-shadow .3s, border-color .3s;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.lw-page .lw-token:hover {
    transform: translateY(-6px);
    border-color: rgba(26,109,255,.45);
    box-shadow: var(--lw-shadow);
}
.lw-page .lw-token-badge {
    position: absolute;
    top: 18px; right: 18px;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(120deg, #ff6b6b, #ff8e53);
    padding: 4px 10px;
    border-radius: 999px;
}
.lw-page .lw-token-head { margin-bottom: 14px; }
.lw-page .lw-token-name { font-size: 20px; font-weight: 800; color: var(--lw-txt); }
.lw-page .lw-token-provider { font-size: 13px; color: var(--lw-txt-3); margin-top: 2px; }
.lw-page .lw-token-desc {
    font-size: 13.5px;
    line-height: 1.7;
    color: var(--lw-txt-2);
    margin: 0 0 16px;
}
.lw-page .lw-token-tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 0 0 22px; }
.lw-page .lw-token-tag {
    font-size: 12px;
    color: var(--lw-brand);
    background: rgba(26,109,255,.07);
    border: 1px solid rgba(26,109,255,.15);
    padding: 4px 10px;
    border-radius: 999px;
}
.lw-page .lw-token .lw-btn-sm { margin-top: auto; }

/* ---------- GPU 算力服务器 ---------- */
.lw-page .lw-gpus {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.lw-page .lw-gpu {
    position: relative;
    border: 1px solid var(--lw-card-border);
    background: var(--lw-card);
    border-radius: 18px;
    padding: 28px;
    box-shadow: 0 10px 28px -22px rgba(20,60,140,.25);
    transition: transform .3s, box-shadow .3s, border-color .3s;
    overflow: hidden;
}
.lw-page .lw-gpu:hover {
    transform: translateY(-6px);
    border-color: rgba(26,109,255,.45);
    box-shadow: var(--lw-shadow);
}
.lw-page .lw-gpu-badge {
    position: absolute;
    top: 18px; right: 18px;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    background: var(--lw-grad);
    padding: 4px 10px;
    border-radius: 999px;
}
.lw-page .lw-gpu-model {
    font-size: 20px;
    font-weight: 800;
    color: var(--lw-txt);
    margin-bottom: 6px;
}
.lw-page .lw-gpu-scene {
    font-size: 13.5px;
    color: var(--lw-brand);
    font-weight: 600;
    margin-bottom: 18px;
    min-height: 20px;
}
.lw-page .lw-gpu-specs {
    list-style: none;
    margin: 0 0 22px;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px 16px;
}
.lw-page .lw-gpu-specs li { display: flex; flex-direction: column; gap: 2px; }
.lw-page .lw-gpu-specs li span { font-size: 12px; color: var(--lw-txt-3); }
.lw-page .lw-gpu-specs li b { font-size: 15px; font-weight: 700; color: var(--lw-txt); }
.lw-page .lw-btn-sm { padding: 11px 22px; font-size: 14px; width: 100%; justify-content: center; }

/* 全球节点 */
.lw-page .lw-nodes {
    border: 1px solid var(--lw-card-border);
    background: var(--lw-card);
    border-radius: 22px;
    padding: 50px 40px;
    text-align: center;
    box-shadow: var(--lw-shadow);
}
.lw-page .lw-nodes .lw-pills { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 26px; }
.lw-page .lw-nodes .lw-pill {
    border: 1px solid var(--lw-card-border);
    background: var(--lw-bg-2);
    border-radius: 999px;
    padding: 12px 22px;
    font-size: 15px;
    color: var(--lw-txt);
}
.lw-page .lw-nodes .lw-pill b { color: var(--lw-brand); margin-right: 8px; font-weight: 800; }

/* 最终 CTA */
.lw-page .lw-final {
    border: 1px solid rgba(26,109,255,.3);
    border-radius: 26px;
    padding: 66px 40px;
    text-align: center;
    background:
        radial-gradient(40vw 40vw at 50% 0%, rgba(26,109,255,.14), transparent 70%),
        linear-gradient(120deg, rgba(26,109,255,.06), rgba(0,180,216,.05));
    margin-bottom: 80px;
}
.lw-page .lw-final h2 {
    font-size: 36px;
    font-weight: 800;
    margin: 0 0 16px;
    color: var(--lw-txt);
}
.lw-page .lw-final p { color: var(--lw-txt-2); font-size: 17px; line-height: 1.7; margin: 0 0 32px; }

/* 响应式 */
@media (max-width: 980px) {
    .lw-page .lw-products,
    .lw-page .lw-feats,
    .lw-page .lw-tokens,
    .lw-page .lw-gpus { grid-template-columns: repeat(2, 1fr); }
    .lw-page .lw-stats { grid-template-columns: repeat(2, 1fr); }
    .lw-page .lw-hero h1 { font-size: 44px; }
    .lw-page .lw-h2 { font-size: 32px; }
    .lw-page .lw-pblock { grid-template-columns: 1fr; gap: 28px; }
    .lw-page .lw-pblock:nth-child(even) .lw-pb-text,
    .lw-page .lw-pblock:nth-child(even) .lw-pb-visual { order: initial; }
    .lw-page .lw-pb-visual { order: -1; }
    .lw-page .lw-pb-domains { grid-template-columns: repeat(3, 1fr); }
    .lw-page .lw-tab-bar { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .lw-page .lw-tab-btn { flex: 0 0 auto; padding: 12px 14px 16px; font-size: 14px; }
}
@media (max-width: 560px) {
    .lw-page .lw-token .lw-token-name,
    .lw-page .lw-gpu-model { font-size: 18px; }
    .lw-page .lw-tab-btn { padding: 11px 10px 14px; font-size: 13px; }
}
@media (max-width: 600px) {
    .lw-page .lw-products,
    .lw-page .lw-feats,
    .lw-page .lw-stats,
    .lw-page .lw-tokens,
    .lw-page .lw-gpus { grid-template-columns: 1fr; }
    .lw-page .lw-hero { padding: 80px 0 50px; }
    .lw-page .lw-hero h1 { font-size: 34px; }
    .lw-page .lw-section { padding: 56px 0; }
    .lw-page .lw-nodes { padding: 34px 20px; }
    .lw-page .lw-final { padding: 44px 22px; }
    .lw-page .lw-final h2 { font-size: 26px; }
    .lw-page .lw-pb-specs { grid-template-columns: 1fr; }
    .lw-page .lw-pb-domains { grid-template-columns: repeat(2, 1fr); }
    .lw-page .lw-gpu-specs { grid-template-columns: 1fr; }
}