/* =====================================================================
   主题 t11 · 抽屉导航（drawer）
   设计语言：极简顶条 + 汉堡按钮 + 右侧滑出抽屉 + 居中内容。
   与现有 t1-t8 显著差异：
   - 默认不显示 nav，主导航被汉堡按钮触发 → 抽屉式滑出
   - 顶部只有 logo + 电话 + 汉堡图标三件事
   - 内容区大量留白，section 之间靠淡边框分隔
   - 整体观感轻盈、极简、移动端友好
   ===================================================================== */

:root {
    --dw-bg: #ffffff;
    --dw-bg-soft: #fafaf9;
    --dw-bg-dark: #18181b;
    --dw-text: #18181b;
    --dw-text-soft: #71717a;
    --dw-line: #e7e5e4;
    --dw-accent: #18181b;
}

body { background: var(--dw-bg); color: var(--dw-text); }

/* ============================ 顶部细条 ============================ */
.dw-header {
    position: sticky; top: 0; z-index: 60;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: saturate(1.4) blur(10px);
    border-bottom: 1px solid var(--dw-line);
}
.dw-header-inner {
    display: flex; align-items: center; gap: 16px;
    min-height: 64px;
}
.dw-brand { display: flex; align-items: center; gap: 10px; color: var(--dw-text); }
.dw-brand-logo { width: 36px; height: 36px; object-fit: contain; border-radius: 8px; background: var(--dw-bg-soft); padding: 4px; }
.dw-brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.dw-brand-text strong { font-size: 16px; font-weight: 700; }
.dw-brand-text em { font-size: 11px; color: var(--dw-text-soft); font-style: normal; letter-spacing: 1px; margin-top: 2px; }

.dw-phone {
    margin-left: auto;
    padding: 6px 14px;
    background: var(--dw-accent);
    color: #fff;
    border-radius: 999px;
    font-weight: 700;
    font-size: 14px;
}
.dw-phone:hover { background: var(--site-secondary); color: #fff; }

.dw-burger {
    flex: none;
    display: flex; align-items: center; gap: 8px;
    padding: 8px 16px 8px 12px;
    background: transparent;
    border: 1px solid var(--dw-line);
    border-radius: 999px;
    cursor: pointer;
    font-size: 13px;
    color: var(--dw-text);
    transition: background .15s ease;
}
.dw-burger:hover { background: var(--dw-bg-soft); }
.dw-burger span {
    display: block; width: 18px; height: 1.5px;
    background: currentColor;
    border-radius: 1px;
}
.dw-burger span + span { margin-top: 4px; }
.dw-burger em { font-style: normal; letter-spacing: 1px; }

/* ============================ 抽屉 ============================ */
.dw-drawer {
    position: fixed; inset: 0;
    z-index: 100;
    pointer-events: none;
}
.dw-drawer.is-open { pointer-events: auto; }
.dw-drawer-inner {
    position: absolute; top: 0; right: 0; bottom: 0;
    width: 360px; max-width: 90vw;
    background: var(--dw-bg);
    padding: 32px 28px;
    transform: translateX(100%);
    transition: transform .28s cubic-bezier(.4, .0, .2, 1);
    display: flex; flex-direction: column; gap: 24px;
    box-shadow: -10px 0 40px rgba(0, 0, 0, .08);
    overflow-y: auto;
}
.dw-drawer.is-open .dw-drawer-inner { transform: translateX(0); }
.dw-drawer-mask {
    position: absolute; inset: 0;
    background: rgba(15, 23, 42, .45);
    opacity: 0; transition: opacity .28s ease;
}
.dw-drawer.is-open .dw-drawer-mask { opacity: 1; }
.dw-drawer-head { display: flex; justify-content: space-between; align-items: center; }
.dw-drawer-eyebrow { font-size: 11px; letter-spacing: 3px; text-transform: uppercase; color: var(--dw-text-soft); }
.dw-drawer-close {
    background: transparent; border: 0; cursor: pointer;
    width: 36px; height: 36px; border-radius: 50%;
    font-size: 24px; line-height: 1; color: var(--dw-text);
    transition: background .15s ease;
}
.dw-drawer-close:hover { background: var(--dw-bg-soft); }
.dw-drawer-nav { display: flex; flex-direction: column; gap: 4px; }
.dw-drawer-nav a {
    display: block; padding: 12px 0;
    font-size: 22px; font-weight: 700;
    border-bottom: 1px solid var(--dw-line);
    color: var(--dw-text);
    transition: color .15s ease, padding-left .15s ease;
}
.dw-drawer-nav a:hover { color: var(--site-secondary); padding-left: 8px; }
.dw-drawer-nav a.is-active { color: var(--site-secondary); }
.dw-drawer-info {
    margin-top: auto;
    padding-top: 24px;
    border-top: 1px solid var(--dw-line);
    color: var(--dw-text-soft);
    font-size: 13px;
}
.dw-drawer-info p { margin: 0 0 6px; }
.dw-drawer-phone {
    font-size: 28px; font-weight: 800; color: var(--dw-text);
    letter-spacing: -0.5px; margin-bottom: 14px !important;
}

/* 面包屑 */
.dw-crumb { padding: 14px 0; background: var(--dw-bg-soft); border-bottom: 1px solid var(--dw-line); font-size: 12px; color: var(--dw-text-soft); letter-spacing: 1px; }
.dw-crumb .wrap { display: flex; gap: 8px; align-items: center; }
.dw-crumb a { color: var(--dw-text-soft); }
.dw-crumb a:hover { color: var(--site-secondary); }
.dw-crumb i { font-style: normal; opacity: .5; }

/* ============================ Hero（错位布局） ============================ */
.dw-hero {
    padding: 96px 0 80px;
    background: var(--dw-bg-soft);
    border-bottom: 1px solid var(--dw-line);
}
.dw-hero-inner { display: grid; grid-template-columns: 1.5fr 1fr; gap: 64px; align-items: center; }
.dw-eyebrow { display: inline-block; padding: 4px 12px; background: var(--dw-text); color: #fff; border-radius: 4px; font-size: 11px; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 24px; }
.dw-hero-title { font-size: clamp(36px, 5vw, 60px); line-height: 1.05; letter-spacing: -1.5px; font-weight: 800; margin: 0 0 20px; }
.dw-hero-desc { font-size: 17px; color: var(--dw-text-soft); max-width: 50ch; margin-bottom: 28px; line-height: 1.65; }
.dw-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* 右侧悬浮卡：错位堆叠 */
.dw-hero-stack { position: relative; }
.dw-stack-card {
    background: #fff;
    padding: 18px 20px;
    border-radius: 14px;
    border: 1px solid var(--dw-line);
    box-shadow: 0 12px 30px rgba(15, 23, 42, .08);
    margin-bottom: 12px;
    margin-left: var(--ml, 0px);
    transform: translateY(var(--ty, 0));
    transition: transform .2s ease, box-shadow .2s ease;
}
.dw-stack-card:nth-child(1) { --ml: 0; --ty: 0; }
.dw-stack-card:nth-child(2) { --ml: 36px; --ty: 8px; }
.dw-stack-card:nth-child(3) { --ml: 8px; --ty: 0; }
.dw-stack-card:nth-child(4) { --ml: 56px; --ty: 0; }
.dw-stack-card:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(15, 23, 42, .12); }
.dw-stack-card em { display: inline-block; padding: 1px 8px; background: var(--site-secondary); color: #fff; border-radius: 4px; font-size: 11px; font-style: normal; letter-spacing: 1px; margin-bottom: 8px; }
.dw-stack-card strong { display: block; font-size: 22px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 4px; }
.dw-stack-card p { margin: 0; font-size: 13px; color: var(--dw-text-soft); }

/* ============================ 按钮 ============================ */
.dw-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    min-height: 44px; padding: 0 22px;
    border: 1px solid transparent; border-radius: 999px;
    font-size: 14px; font-weight: 600;
    cursor: pointer;
    transition: transform .15s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.dw-btn:hover { transform: translateY(-1px); }
.dw-btn-primary { background: var(--dw-accent); color: #fff; }
.dw-btn-primary:hover { background: var(--site-secondary); color: #fff; }
.dw-btn-outline { border-color: var(--dw-accent); color: var(--dw-accent); background: transparent; }
.dw-btn-outline:hover { background: var(--dw-accent); color: #fff; }
.dw-btn-ghost { background: transparent; color: inherit; border-color: currentColor; }
.dw-btn-ghost:hover { background: var(--dw-text); color: #fff; }
.dw-btn-block { width: 100%; margin-top: 8px; }

/* ============================ 通用节区 ============================ */
.dw-section { padding: calc(80px * var(--site-density)) 0; border-bottom: 1px solid var(--dw-line); }
.dw-section-alt { background: var(--dw-bg-soft); }
.dw-section-head { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }
.dw-section-title { display: flex; flex-direction: column; gap: 4px; margin: 0 0 36px; font-size: 13px; letter-spacing: 2px; text-transform: uppercase; color: var(--dw-text-soft); }
.dw-section-title em { font-style: normal; font-size: clamp(28px, 3.5vw, 40px); font-weight: 800; color: var(--dw-text); letter-spacing: -1px; line-height: 1.2; text-transform: none; }
.dw-section-more { font-size: 13px; color: var(--dw-text-soft); font-weight: 600; letter-spacing: 1px; }
.dw-section-more:hover { color: var(--site-secondary); }
.dw-more { display: inline-block; margin-top: 28px; font-size: 13px; letter-spacing: 1px; color: var(--dw-text); border-bottom: 1px solid var(--dw-text); padding-bottom: 4px; }
.dw-more:hover { color: var(--site-secondary); border-color: var(--site-secondary); }

/* ============================ 优势（卡片漂浮） ============================ */
.dw-adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.dw-adv-card {
    padding: 32px 28px;
    background: #fff;
    border-radius: 16px;
    border: 1px solid var(--dw-line);
    transition: transform .15s ease, box-shadow .18s ease;
    position: relative;
}
.dw-adv-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(15, 23, 42, .08); }
.dw-adv-no {
    display: inline-block;
    font-size: 13px;
    letter-spacing: 2px;
    color: var(--site-secondary);
    font-weight: 700;
    margin-bottom: 16px;
}
.dw-adv-card h3 { font-size: 20px; margin-bottom: 10px; letter-spacing: -0.5px; }
.dw-adv-card p { margin: 0; color: var(--dw-text-soft); font-size: 14px; line-height: 1.65; }

/* ============================ 产品（瀑布错落） ============================ */
.dw-prod-mosaic {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.dw-prod-tile {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--dw-line);
    transition: transform .15s ease, box-shadow .18s ease;
    display: flex; flex-direction: column;
}
.dw-prod-tile:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(15, 23, 42, .1); }
.dw-prod-tile.is-feature { grid-column: span 2; grid-row: span 2; }
.dw-prod-thumb {
    position: relative; display: block;
    aspect-ratio: 4 / 3;
    background: linear-gradient(135deg, var(--site-primary), var(--site-secondary));
    overflow: hidden;
}
.dw-prod-tile.is-feature .dw-prod-thumb { aspect-ratio: 16 / 10; }
.dw-prod-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.dw-prod-tile:hover .dw-prod-thumb img { transform: scale(1.04); }
.dw-prod-ph { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; color: #fff; font-size: 22px; font-weight: 700; }
.dw-prod-text { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.dw-prod-text h3 { font-size: 17px; margin: 0; }
.dw-prod-text h3 a { color: var(--dw-text); }
.dw-prod-text h3 a:hover { color: var(--site-secondary); }
.dw-prod-text p { font-size: 13px; color: var(--dw-text-soft); margin: 0; }
.dw-prod-link { font-size: 12px; color: var(--site-secondary); font-weight: 700; letter-spacing: 1px; margin-top: auto; }
.dw-prod-foot { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 10px; border-top: 1px solid var(--dw-line); font-size: 13px; }
.dw-prod-foot span { color: var(--dw-text); font-weight: 700; }
.dw-prod-foot a { color: var(--site-secondary); font-weight: 600; }

/* 产品详情 */
.dw-pd-wrap { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: start; }
.dw-pd-gallery .dw-pd-main { aspect-ratio: 4 / 3; border-radius: 16px; overflow: hidden; background: linear-gradient(135deg, var(--site-primary), var(--site-secondary)); display: flex; align-items: center; justify-content: center; }
.dw-pd-gallery .dw-pd-main img { width: 100%; height: 100%; object-fit: cover; }
.dw-pd-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 12px; }
.dw-pd-thumbs img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 8px; cursor: pointer; }
.dw-pd-info h1 { font-size: clamp(28px, 3vw, 42px); margin: 0 0 14px; letter-spacing: -1px; line-height: 1.15; }
.dw-pd-sub { font-size: 13px; color: var(--site-secondary); letter-spacing: 1px; margin-bottom: 18px; }
.dw-pd-sum { font-size: 16px; color: var(--dw-text-soft); margin-bottom: 18px; line-height: 1.7; }
.dw-pd-price { font-size: 22px; color: var(--dw-text); font-weight: 800; margin-bottom: 20px; }
.dw-pd-tags { display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0 0 24px; list-style: none; }
.dw-pd-tags li { padding: 4px 12px; background: var(--dw-bg-soft); border-radius: 999px; font-size: 12px; color: var(--dw-text-soft); }
.dw-pd-badges { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--dw-line); font-size: 12px; color: var(--dw-text-soft); }
.dw-pd-badges span { padding: 3px 10px; background: var(--dw-bg-soft); border-radius: 999px; }

/* 参数表 */
.dw-param-table { width: 100%; border-collapse: collapse; }
.dw-param-table th { width: 200px; padding: 14px 16px; background: var(--dw-bg-soft); text-align: left; font-weight: 600; color: var(--dw-text-soft); border-bottom: 1px solid var(--dw-line); }
.dw-param-table td { padding: 14px 16px; border-bottom: 1px solid var(--dw-line); font-size: 14px; }

/* ============================ 关于 ============================ */
.dw-about-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 56px; align-items: start; }
.dw-about-head { position: sticky; top: 90px; }
.dw-about-body .dw-btn-outline { margin-top: 16px; }

/* ============================ FAQ ============================ */
.dw-faq-list { display: grid; gap: 10px; }
.dw-faq-item {
    padding: 18px 22px;
    background: #fff;
    border: 1px solid var(--dw-line);
    border-radius: 12px;
}
.dw-section-alt .dw-faq-item { background: #fff; }
.dw-faq-item summary { cursor: pointer; font-weight: 700; font-size: 16px; list-style: none; }
.dw-faq-item summary::-webkit-details-marker { display: none; }
.dw-faq-item summary::after { content: "+"; float: right; font-size: 22px; line-height: 1; color: var(--dw-text-soft); transition: transform .18s ease; }
.dw-faq-item[open] summary::after { content: "−"; color: var(--site-secondary); }
.dw-faq-item p { margin: 12px 0 0; color: var(--dw-text-soft); font-size: 14px; }

/* ============================ 新闻 ============================ */
.dw-news-list { display: grid; gap: 0; padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--dw-line); }
.dw-news-list-lg .dw-news-item { padding: 22px 0; }
.dw-news-item {
    display: grid; grid-template-columns: auto 1fr auto; grid-template-areas: "date title cat" "date sum sum";
    gap: 6px 18px;
    padding: 18px 0;
    border-bottom: 1px solid var(--dw-line);
    align-items: baseline;
}
.dw-news-date { grid-area: date; font-size: 12px; color: var(--dw-text-soft); letter-spacing: 1px; padding: 2px 10px; background: var(--dw-bg-soft); border-radius: 999px; }
.dw-news-title { grid-area: title; font-size: 17px; font-weight: 700; }
.dw-news-title:hover { color: var(--site-secondary); }
.dw-news-cat { grid-area: cat; font-size: 11px; color: var(--site-secondary); letter-spacing: 1px; }
.dw-news-sum { grid-area: sum; margin: 0; font-size: 13px; color: var(--dw-text-soft); }
.dw-news-list-lg .dw-news-title { font-size: 18px; }

/* ============================ 筛选 / 分页 ============================ */
.dw-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.dw-filter-item { padding: 6px 16px; border: 1px solid var(--dw-line); border-radius: 999px; font-size: 13px; color: var(--dw-text-soft); }
.dw-filter-item:hover { border-color: var(--dw-text); color: var(--dw-text); }
.dw-filter-item.is-active { background: var(--dw-text); color: #fff; border-color: var(--dw-text); }

.dw-pager { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; padding: 28px 0 0; }
.dw-pg-btn, .dw-pg-num {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 38px; height: 38px; padding: 0 14px;
    border: 1px solid var(--dw-line); border-radius: 999px;
    font-size: 13px;
}
.dw-pg-num.is-active { background: var(--dw-text); color: #fff; border-color: var(--dw-text); }
.dw-pg-total { font-size: 12px; color: var(--dw-text-soft); align-self: center; padding-left: 6px; }

/* ============================ 列表头 ============================ */
.dw-page-head { padding: 88px 0 56px; background: var(--dw-bg-soft); border-bottom: 1px solid var(--dw-line); }
.dw-page-head h1 { font-size: clamp(34px, 4vw, 52px); font-weight: 800; margin: 0 0 12px; letter-spacing: -1px; }
.dw-page-head p { margin: 0; color: var(--dw-text-soft); }

/* ============================ 文章 ============================ */
.dw-article-wrap { display: grid; grid-template-columns: 1fr 320px; gap: 56px; align-items: start; }
.dw-article { font-size: 16px; line-height: 1.85; }
.dw-article-title { font-size: clamp(28px, 3.5vw, 42px); letter-spacing: -1px; line-height: 1.18; margin-bottom: 18px; }
.dw-article-meta { display: flex; flex-wrap: wrap; gap: 12px; padding: 14px 0; border-top: 1px solid var(--dw-line); border-bottom: 1px solid var(--dw-line); color: var(--dw-text-soft); font-size: 12px; letter-spacing: 1px; margin-bottom: 24px; }
.dw-article-lead { font-size: 17px; color: var(--dw-text-soft); margin-bottom: 24px; padding-left: 16px; border-left: 3px solid var(--site-secondary); }
.dw-article-figure { margin: 0 0 28px; border-radius: 14px; overflow: hidden; }
.dw-article-figure img { width: 100%; height: auto; }
.dw-article-tags { display: flex; flex-wrap: wrap; gap: 6px; padding: 22px 0 0; margin-top: 24px; border-top: 1px solid var(--dw-line); align-items: center; }
.dw-article-tags em { font-size: 12px; letter-spacing: 1px; color: var(--dw-text-soft); margin-right: 4px; }
.dw-article-tags span { font-size: 12px; padding: 3px 10px; background: var(--dw-bg-soft); border-radius: 999px; }
.dw-article-block { margin-top: 36px; }
.dw-article-block h2 { font-size: 24px; margin-bottom: 14px; letter-spacing: -0.5px; }
.dw-prev-next { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--dw-line); font-size: 14px; }
.dw-prev-next a:hover { color: var(--site-secondary); }

/* 侧栏 */
.dw-side { display: grid; gap: 16px; position: sticky; top: 90px; }
.dw-side-card { background: #fff; padding: 22px 24px; border-radius: 14px; border: 1px solid var(--dw-line); }
.dw-side-card h4 { font-size: 13px; letter-spacing: 2px; text-transform: uppercase; color: var(--dw-text-soft); margin: 0 0 12px; }
.dw-side-card ul { padding: 0; margin: 0; list-style: none; }
.dw-side-card li { padding: 8px 0; border-bottom: 1px dashed var(--dw-line); display: flex; justify-content: space-between; font-size: 13px; gap: 8px; }
.dw-side-card li:last-child { border-bottom: 0; }
.dw-side-card li em { color: var(--dw-text-soft); }
.dw-side-card p { font-size: 13px; color: var(--dw-text-soft); margin: 0 0 6px; }
.dw-side-cta { background: var(--dw-bg-dark); color: #fff; border-color: transparent; }
.dw-side-cta h4, .dw-side-cta p { color: rgba(255, 255, 255, .7); }
.dw-side-eyebrow { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: rgba(255, 255, 255, .55) !important; }
.dw-side-phone { color: #fff !important; font-size: 24px !important; font-weight: 800; margin-bottom: 12px !important; letter-spacing: -0.5px; }
.dw-side-cta .dw-btn-primary { background: #fff; color: var(--dw-bg-dark); }
.dw-side-cta .dw-btn-primary:hover { background: var(--site-secondary); color: #fff; }
.dw-side-cta .dw-btn-outline { border-color: #fff; color: #fff; }
.dw-side-cta .dw-btn-outline:hover { background: #fff; color: var(--dw-bg-dark); }

/* 联系方式（联系页） */
.dw-contact-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
.dw-contact-list { padding: 0; margin: 0 0 28px; list-style: none; }
.dw-contact-list li {
    display: grid; grid-template-columns: 120px 1fr; gap: 18px;
    padding: 18px 0;
    border-bottom: 1px solid var(--dw-line);
    align-items: baseline;
}
.dw-contact-list li:last-child { border-bottom: 0; }
.dw-contact-list li em { color: var(--dw-text-soft); font-size: 12px; letter-spacing: 2px; text-transform: uppercase; }
.dw-contact-list li a, .dw-contact-list li span { font-size: 16px; font-weight: 600; }

/* 留言表单 */
.dw-message-box { background: var(--dw-bg-dark); color: #fff; padding: 36px 40px; border-radius: 18px; }
.dw-message-box h2 { font-size: 24px; margin-bottom: 8px; }
.dw-message-box > p { color: rgba(255, 255, 255, .65); margin-bottom: 24px; font-size: 13px; }
.dw-form-row { margin-bottom: 16px; }
.dw-form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.dw-form-row label { display: block; font-size: 12px; margin-bottom: 4px; color: rgba(255, 255, 255, .65); letter-spacing: 1px; }
.dw-form-row label i { color: var(--site-secondary); font-style: normal; }
.dw-form-row input, .dw-form-row textarea {
    width: 100%; padding: 11px 14px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: 8px;
    color: #fff; font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color .15s ease;
}
.dw-form-row input:focus, .dw-form-row textarea:focus { border-color: var(--site-secondary); }
.dw-form-row textarea { resize: vertical; min-height: 110px; }
.dw-form-row input::placeholder, .dw-form-row textarea::placeholder { color: rgba(255, 255, 255, .35); }
.dw-message-box .dw-btn-primary { background: var(--site-secondary); }
.dw-message-box .dw-btn-primary:hover { background: #fff; color: var(--dw-bg-dark); }
.dw-message-result { margin: 12px 0 0; font-size: 13px; min-height: 1.4em; }
.dw-message-result.is-error { color: #fca5a5; }
.dw-message-result.is-ok { color: #6ee7b7; }

/* 兄弟站点 / 服务区域 */
.dw-region-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.dw-region-cloud a {
    padding: 5px 14px; border: 1px solid var(--dw-line); border-radius: 999px;
    font-size: 13px; color: var(--dw-text-soft);
}
.dw-region-cloud a:hover { background: var(--dw-text); color: #fff; border-color: var(--dw-text); }
.dw-region-cloud-sm a { font-size: 12px; padding: 4px 10px; }
.dw-region-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 6px; }
.dw-region-grid a { font-size: 13px; color: var(--dw-text-soft); padding: 3px 0; }

/* 空态 */
.dw-empty { padding: 60px 20px; text-align: center; color: var(--dw-text-soft); background: var(--dw-bg-soft); border-radius: 12px; }

/* ============================ CTA ============================ */
.dw-section-cta { background: var(--dw-bg-dark); color: #fff; border-bottom-color: transparent; }
.dw-section-cta .dw-cta-inner h2 { font-size: clamp(28px, 3.5vw, 40px); margin: 0 0 12px; letter-spacing: -1px; }
.dw-section-cta .dw-cta-inner p { color: rgba(255, 255, 255, .7); margin-bottom: 24px; }
.dw-section-cta .dw-hero-actions { justify-content: center; }
.dw-section-cta .dw-btn-primary { background: #fff; color: var(--dw-bg-dark); }
.dw-section-cta .dw-btn-primary:hover { background: var(--site-secondary); color: #fff; }
.dw-section-cta .dw-btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .5); }
.dw-section-cta .dw-btn-ghost:hover { background: #fff; color: var(--dw-bg-dark); }
.dw-cta-inner { text-align: center; max-width: 64ch; margin: 0 auto; }
.dw-section-cta-sm { padding: calc(56px * var(--site-density)) 0; }

/* ============================ 页脚 ============================ */
.dw-footer { background: var(--dw-bg-dark); color: rgba(255, 255, 255, .85); padding: calc(80px * var(--site-density)) 0 24px; }
.dw-footer-head { text-align: center; margin-bottom: 56px; padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, .12); }
.dw-footer-phone { font-size: clamp(40px, 5vw, 64px); margin: 0 0 14px; letter-spacing: -1px; }
.dw-footer-phone a:hover { color: var(--site-secondary); }
.dw-footer-eyebrow { font-size: 12px; letter-spacing: 2px; color: rgba(255, 255, 255, .55); margin: 0; }
.dw-footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.dw-footer h4 { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; opacity: .55; margin: 0 0 14px; }
.dw-footer p, .dw-footer a { display: block; font-size: 13px; color: rgba(255, 255, 255, .78); margin: 0 0 6px; }
.dw-footer a:hover { color: var(--site-secondary); }
.dw-footer-bottom { display: flex; flex-wrap: wrap; gap: 18px; padding-top: 24px; font-size: 11px; color: rgba(255, 255, 255, .4); letter-spacing: 1px; }
.dw-footer-bottom a { display: inline; color: inherit; }
.dw-footer-bottom a:hover { color: var(--site-secondary); }

/* ============================ 404 ============================ */
.dw-band-404 { padding: calc(140px * var(--site-density)) 0; text-align: center; }
.dw-404-code {
    font-size: clamp(120px, 16vw, 200px);
    font-weight: 800; line-height: 1; letter-spacing: -4px;
    background: linear-gradient(135deg, var(--site-primary), var(--site-secondary));
    -webkit-background-clip: text; background-clip: text; color: transparent;
    margin-bottom: 18px;
}
.dw-band-404 h1 { font-size: 26px; margin-bottom: 10px; }
.dw-404-desc { font-size: 16px; color: var(--dw-text-soft); margin-bottom: 26px; }
.dw-404 .dw-hero-actions { justify-content: center; margin-bottom: 32px; }
.dw-404-links p { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: var(--dw-text-soft); margin-bottom: 14px; }
.dw-404-links .dw-region-cloud { justify-content: center; }

/* ============================ 响应式 ============================ */
@media (max-width: 1024px) {
    .dw-hero { padding: 64px 0; }
    .dw-hero-inner { grid-template-columns: 1fr; gap: 40px; }
    .dw-stack-card { margin-left: 0 !important; }
    .dw-prod-mosaic, .dw-adv-grid { grid-template-columns: repeat(2, 1fr); }
    .dw-prod-tile.is-feature { grid-column: span 2; grid-row: span 1; }
    .dw-article-wrap, .dw-pd-wrap, .dw-about-grid, .dw-contact-wrap { grid-template-columns: 1fr; gap: 40px; }
    .dw-side { position: static; }
    .dw-about-head { position: static; }
}
@media (max-width: 720px) {
    .dw-phone { display: none; }
    .dw-prod-mosaic, .dw-adv-grid { grid-template-columns: 1fr; }
    .dw-prod-tile.is-feature { grid-column: span 1; }
    .dw-form-row-2 { grid-template-columns: 1fr; }
    .dw-message-box { padding: 26px; }
    .dw-drawer-inner { width: 100%; max-width: 100vw; }
    .dw-news-item { grid-template-columns: 1fr; grid-template-areas: "date" "title" "cat" "sum"; gap: 6px; }
    .dw-contact-list li { grid-template-columns: 90px 1fr; }
}