/* ==========================================================================
   PACO — Design System
   外贸家电（冰箱 / 洗衣机）· 简洁 · 通透 · 冷调科技感
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root {
    /* Brand — 深海蓝 + 冰晶青 */
    --brand-900: #062544;
    --brand-800: #0a3560;
    --brand-700: #0e457d;
    --brand-600: #12579c;
    --brand-500: #1a6dbd;
    --brand-400: #4d94d8;
    --brand-100: #dceaf8;
    --brand-50:  #f0f6fd;

    --ice-600: #0284a8;
    --ice-500: #00a3cc;
    --ice-400: #22c2e8;
    --ice-300: #7bdcf3;
    --ice-100: #d8f4fb;

    --accent: var(--ice-500);

    /* Neutrals */
    --ink-900: #0d1620;
    --ink-800: #16232f;
    --ink-700: #2a3a4a;
    --ink-600: #47586b;
    --ink-500: #6b7c8f;
    --ink-400: #93a2b3;
    --ink-300: #c2ccd7;
    --ink-200: #e0e6ec;
    --ink-100: #eef2f6;
    --ink-50:  #f7f9fb;

    /* Semantic (light) */
    --bg:           #ffffff;
    --bg-soft:      var(--ink-50);
    --bg-elevated:  #ffffff;
    --bg-inverse:   var(--brand-900);
    --text:         var(--ink-900);
    --text-soft:    var(--ink-600);
    --text-faint:   var(--ink-500);
    --border:       var(--ink-200);
    --border-soft:  var(--ink-100);

    --shadow-sm: 0 1px 2px rgba(13, 22, 32, .06), 0 1px 3px rgba(13, 22, 32, .04);
    --shadow:    0 2px 6px rgba(13, 22, 32, .06), 0 8px 24px rgba(13, 22, 32, .06);
    --shadow-lg: 0 8px 20px rgba(13, 22, 32, .08), 0 24px 48px rgba(13, 22, 32, .10);
    --shadow-brand: 0 8px 28px rgba(18, 87, 156, .22);

    --r-sm: 8px;
    --r:    12px;
    --r-lg: 18px;
    --r-xl: 24px;
    --r-full: 999px;

    --ease: cubic-bezier(.16, 1, .3, 1);
    --t-fast: .18s var(--ease);
    --t:      .3s var(--ease);

    --container: 1240px;
    --header-h: 76px;

    --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
            "Hiragino Sans GB", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
}

/* 仅保留默认浅色主题，不再提供 dark mode */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color .25s ease, color .25s ease;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, h5 { margin: 0 0 .5em; line-height: 1.25; font-weight: 700; letter-spacing: -.015em; }
h1 { font-size: clamp(2rem, 4.2vw, 3.15rem); }
h2 { font-size: clamp(1.55rem, 2.9vw, 2.3rem); }
h3 { font-size: clamp(1.2rem, 1.9vw, 1.45rem); }
p  { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.2em; }
hr { border: 0; border-top: 1px solid var(--border); margin: 2rem 0; }
::selection { background: var(--brand-500); color: #fff; }

:focus-visible {
    outline: 2px solid var(--ice-500);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
.section { padding: clamp(56px, 7vw, 104px) 0; }
.section--soft { background: var(--bg-soft); }
.grid { display: grid; gap: 24px; }
.stack > * + * { margin-top: 1rem; }

.section-head { text-align: center; max-width: 720px; margin: 0 auto clamp(36px, 5vw, 60px); }
.section-head .eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
    color: var(--ice-600); margin-bottom: 14px;
}
.section-head .eyebrow::before {
    content: ""; width: 26px; height: 2px; border-radius: 2px;
    background: linear-gradient(90deg, transparent, var(--ice-500));
}
.section-head .eyebrow::after {
    content: ""; width: 26px; height: 2px; border-radius: 2px;
    background: linear-gradient(90deg, var(--ice-500), transparent);
}
.section-head h2 { margin-bottom: .35em; }
.section-head p { color: var(--text-soft); font-size: 1.03rem; margin: 0; }
.series-title {
    font-size: clamp(1.05rem, 1.8vw, 1.25rem);
    font-weight: 700;
    color: var(--brand-700);
    margin: 0 0 18px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border);
}
.series-title:first-of-type { margin-top: 0; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .55em;
    padding: .78em 1.6em;
    border: 1px solid transparent; border-radius: var(--r-full);
    font-weight: 600; font-size: .95rem; line-height: 1;
    cursor: pointer; white-space: nowrap;
    transition: transform var(--t-fast), box-shadow var(--t-fast),
                background-color var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary {
    background: linear-gradient(135deg, var(--brand-600), var(--brand-500));
    color: #fff; box-shadow: var(--shadow-brand);
}
.btn--primary:hover { background: linear-gradient(135deg, var(--brand-700), var(--brand-600)); }
.btn--accent {
    background: linear-gradient(135deg, var(--ice-600), var(--ice-500));
    color: #fff; box-shadow: 0 8px 26px rgba(0, 163, 204, .28);
}
.btn--ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn--ghost:hover { border-color: var(--brand-500); color: var(--brand-600); background: var(--brand-50); }
.btn--light { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.3); backdrop-filter: blur(8px); }
.btn--light:hover { background: rgba(255,255,255,.24); }
.btn--sm { padding: .55em 1.1em; font-size: .85rem; }
.btn--lg { padding: .95em 2em; font-size: 1.02rem; }
.btn--block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--border-soft);
    transition: box-shadow var(--t), background-color var(--t);
}
.site-header.is-stuck { box-shadow: var(--shadow-sm); }
.header-inner {
    height: var(--header-h);
    display: flex; align-items: center; gap: 28px;
}
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { height: 40px; width: auto; object-fit: contain; }
.brand-name { font-weight: 800; font-size: 1.1rem; letter-spacing: -.02em; line-height: 1.15; }
.brand-name small { display: block; font-size: .66rem; font-weight: 500; letter-spacing: .1em;
    text-transform: uppercase; color: var(--text-faint); }

.nav { margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-item { position: relative; }
.nav-link {
    display: flex; align-items: center; gap: 5px;
    padding: .6em .95em; border-radius: var(--r-sm);
    font-weight: 550; font-size: .95rem; color: var(--text-soft);
    transition: color var(--t-fast), background-color var(--t-fast);
}
.nav-link:hover, .nav-item.is-active > .nav-link { color: var(--brand-600); background: var(--brand-50); }
.nav-link .caret { width: 10px; height: 10px; transition: transform var(--t-fast); opacity: .6; }
.nav-item:hover .caret { transform: rotate(180deg); }

/* Mega dropdown */
.mega {
    position: absolute; top: calc(100% + 10px); left: 50%; transform: translate(-50%, 8px);
    min-width: 560px; padding: 22px;
    background: var(--bg-elevated); border: 1px solid var(--border);
    border-radius: var(--r-lg); box-shadow: var(--shadow-lg);
    opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity var(--t), transform var(--t), visibility var(--t);
}
.nav-item:hover .mega, .nav-item:focus-within .mega {
    opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0);
}
.mega-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.mega-col > h4 {
    font-size: .74rem; letter-spacing: .12em; text-transform: uppercase;
    color: var(--ice-600); margin-bottom: 10px; padding-bottom: 8px;
    border-bottom: 1px solid var(--border-soft);
}
.mega-links { list-style: none; margin: 0; padding: 0;
    display: grid; grid-template-columns: 1fr 1fr; gap: 1px 10px; }
.mega-links a {
    display: block; padding: 6px 9px; border-radius: 6px;
    font-size: .855rem; color: var(--text-soft);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    transition: color var(--t-fast), background-color var(--t-fast), transform var(--t-fast);
}
.mega-links a:hover { color: var(--brand-600); background: var(--brand-50); transform: translateX(3px); }

/* Header actions */
.header-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
    width: 40px; height: 40px; display: grid; place-items: center;
    border: 1px solid var(--border); border-radius: var(--r-full);
    background: transparent; cursor: pointer; color: var(--text-soft);
    transition: all var(--t-fast);
}
.icon-btn:hover { color: var(--brand-600); border-color: var(--brand-400); background: var(--brand-50); transform: translateY(-1px); }
.icon-btn svg { width: 18px; height: 18px; }

.burger { display: none; }

/* Mobile drawer */
.drawer {
    position: fixed; inset: 0; z-index: 200;
    visibility: hidden; pointer-events: none;
}
.drawer.is-open { visibility: visible; pointer-events: auto; }
.drawer-scrim {
    position: absolute; inset: 0; background: rgba(6, 20, 35, .5);
    backdrop-filter: blur(3px); opacity: 0; transition: opacity var(--t);
}
.drawer.is-open .drawer-scrim { opacity: 1; }
.drawer-panel {
    position: absolute; top: 0; right: 0; bottom: 0; width: min(86vw, 360px);
    background: var(--bg); box-shadow: var(--shadow-lg);
    transform: translateX(100%); transition: transform var(--t);
    display: flex; flex-direction: column;
}
.drawer.is-open .drawer-panel { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between;
    padding: 18px 20px; border-bottom: 1px solid var(--border-soft); }
.drawer-body { flex: 1; overflow-y: auto; padding: 12px 12px 32px; -webkit-overflow-scrolling: touch; }
.m-nav { list-style: none; margin: 0; padding: 0; }
.m-nav > li { border-bottom: 1px solid var(--border-soft); }
.m-nav > li > a, .m-acc-btn {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    width: 100%; padding: 14px 12px; background: none; border: 0;
    font-size: 1rem; font-weight: 600; text-align: left; cursor: pointer; color: var(--text);
}
.m-acc-btn .caret { width: 12px; height: 12px; opacity: .55; transition: transform var(--t-fast); }
.m-acc.is-open .m-acc-btn .caret { transform: rotate(180deg); }
.m-acc-body { max-height: 0; overflow: hidden; transition: max-height .34s var(--ease); }
.m-acc.is-open .m-acc-body { max-height: 1200px; }
.m-acc-body ul { list-style: none; margin: 0; padding: 0 0 12px; }
.m-acc-body a {
    display: block; padding: 9px 12px 9px 24px; font-size: .9rem; color: var(--text-soft);
    border-left: 2px solid var(--border); margin-left: 10px;
}
.m-acc-body a:hover { color: var(--brand-600); border-left-color: var(--brand-500); }
.m-group-title {
    padding: 12px 12px 5px 24px; font-size: .72rem; font-weight: 700;
    letter-spacing: .12em; text-transform: uppercase; color: var(--ice-600);
}

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--brand-900); }
.hero-slides { position: relative; height: clamp(420px, 62vh, 660px); }
.hero-slide {
    position: absolute; inset: 0;
    opacity: 0; transition: opacity 1s var(--ease);
}
.hero-slide.is-active { opacity: 1; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-slide::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(105deg, rgba(6, 37, 68, .88) 0%, rgba(6, 37, 68, .62) 45%, rgba(6, 37, 68, .18) 100%);
}
.hero-content {
    position: absolute; inset: 0; z-index: 2;
    display: flex; align-items: center;
}
.hero-text { max-width: 620px; color: #fff; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 7px 15px; margin-bottom: 20px;
    background: rgba(255, 255, 255, .12); backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, .22); border-radius: var(--r-full);
    font-size: .8rem; font-weight: 600; letter-spacing: .05em;
}
.hero-badge .dot {
    width: 7px; height: 7px; border-radius: 50%; background: var(--ice-400);
    box-shadow: 0 0 0 0 rgba(34, 194, 232, .7); animation: pulse 2.2s infinite;
}
@keyframes pulse {
    70%  { box-shadow: 0 0 0 9px rgba(34, 194, 232, 0); }
    100% { box-shadow: 0 0 0 0 rgba(34, 194, 232, 0); }
}
.hero h1 { color: #fff; margin-bottom: .4em; text-shadow: 0 2px 24px rgba(0, 0, 0, .3); }
.hero h1 .hl {
    background: linear-gradient(120deg, var(--ice-300), var(--ice-400));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lead { font-size: clamp(1rem, 1.6vw, 1.14rem); color: rgba(255, 255, 255, .88); margin-bottom: 2em; max-width: 30em; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-dots { position: absolute; left: 0; right: 0; bottom: 26px; z-index: 3;
    display: flex; justify-content: center; gap: 9px; }
.hero-dot {
    width: 32px; height: 4px; border: 0; border-radius: 2px; padding: 0;
    background: rgba(255, 255, 255, .35); cursor: pointer; transition: all var(--t);
}
.hero-dot.is-active { background: var(--ice-400); width: 46px; }

/* 首页统计条 */
.stats-bar {
    position: relative; z-index: 4; margin-top: -46px;
}
.stats-inner {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
    background: var(--border-soft);
    border: 1px solid var(--border); border-radius: var(--r-lg);
    overflow: hidden; box-shadow: var(--shadow);
}
.stat { background: var(--bg-elevated); padding: 26px 18px; text-align: center; }
.stat .num {
    font-size: clamp(1.5rem, 2.6vw, 2.05rem); font-weight: 800; letter-spacing: -.02em;
    background: linear-gradient(135deg, var(--brand-600), var(--ice-500));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat .label { font-size: .8rem; color: var(--text-faint); letter-spacing: .05em; text-transform: uppercase; margin-top: 3px; }

/* ---------- Cards ---------- */
.cards { display: grid; gap: 26px; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.cards--4 { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.cards--3 { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }

.pcard {
    position: relative; display: flex; flex-direction: column;
    background: var(--bg-elevated); border: 1px solid var(--border-soft);
    border-radius: var(--r-lg); overflow: hidden;
    transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.pcard:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--brand-100); }
.pcard-media {
    position: relative; aspect-ratio: 1 / 1; overflow: hidden;
    background: linear-gradient(160deg, var(--ink-50), var(--bg-soft));
    display: grid; place-items: center; padding: 14px;
}
.pcard-media img {
    width: 100%; height: 100%; object-fit: contain;
    transition: transform .55s var(--ease);
}
.pcard:hover .pcard-media img { transform: scale(1.07); }
.pcard-badge {
    position: absolute; top: 12px; left: 12px; z-index: 2;
    padding: 4px 10px; border-radius: var(--r-full);
    background: var(--ice-500); color: #fff;
    font-size: .68rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
}
.pcard-body { padding: 16px 18px 20px; display: flex; flex-direction: column; flex: 1; }
.pcard-cat { font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ice-600); font-weight: 700; }
.pcard-title {
    font-size: 1.02rem; font-weight: 700; margin: 6px 0 0; color: var(--text);
    display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    transition: color var(--t-fast);
}
.pcard:hover .pcard-title { color: var(--brand-600); }
.pcard-foot {
    margin-top: auto; padding-top: 14px;
    display: flex; align-items: center; gap: 6px;
    font-size: .82rem; font-weight: 650; color: var(--brand-600);
}
.pcard-foot svg { width: 14px; height: 14px; transition: transform var(--t-fast); }
.pcard:hover .pcard-foot svg { transform: translateX(4px); }
.pcard-link { position: absolute; inset: 0; z-index: 3; }

/* 分类卡片 */
.ccard {
    position: relative; display: block; overflow: hidden;
    border-radius: var(--r-lg);
    background: linear-gradient(145deg, var(--brand-900), var(--brand-800));
    border: 1px solid rgba(255, 255, 255, .09);
    outline: 1px solid rgba(0, 0, 0, .10);
    outline-offset: -1px;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, .08),
        0 4px 16px rgba(6, 37, 68, .18);
    aspect-ratio: 4 / 3;
    transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.ccard:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, .20);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, .12),
        0 14px 34px rgba(6, 37, 68, .28);
}
.ccard img { width: 100%; height: 100%; object-fit: cover; opacity: .62; transition: transform .7s var(--ease), opacity var(--t); }
.ccard:hover img { transform: scale(1.08); opacity: .48; }

/* products 页分类卡片（1:1 图片框）更精致 · 浅色描边 + 浅色蒙版 */
.products-cats .ccard {
    background: var(--bg-elevated);
    border: 1px solid var(--border-soft);
    box-shadow: 0 2px 12px rgba(13, 22, 32, .06);
}
.products-cats .ccard:hover {
    border-color: var(--brand-200);
    box-shadow: 0 10px 28px rgba(13, 22, 32, .10);
}
.products-cats .ccard img {
    opacity: 1;
    transition: transform .7s var(--ease), opacity var(--t);
}
.products-cats .ccard:hover img {
    opacity: 1;
    transform: scale(1.06);
}
.products-cats .ccard-overlay {
    color: var(--text);
    background: linear-gradient(to top, rgba(255, 255, 255, .94) 0%, rgba(255, 255, 255, .55) 55%, transparent 100%);
}
.products-cats .ccard-overlay h3 { color: var(--ink-900); margin: 0 0 4px; font-size: 1.22rem; }
.products-cats .ccard-overlay .count { color: var(--text-soft); opacity: 1; }
.products-cats .ccard-arrow {
    background: rgba(255, 255, 255, .72);
    border-color: var(--border);
    backdrop-filter: blur(10px);
}
.products-cats .ccard-arrow svg { color: var(--brand-600); }
.products-cats .ccard:hover .ccard-arrow {
    background: var(--brand-600);
    border-color: var(--brand-600);
}
.products-cats .ccard:hover .ccard-arrow svg { color: #fff; }
.ccard-overlay {
    position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end;
    padding: 24px; color: #fff;
    background: linear-gradient(to top, rgba(6, 37, 68, .94) 0%, rgba(6, 37, 68, .45) 48%, transparent 100%);
}
.ccard-overlay h3 { color: #fff; margin: 0 0 4px; font-size: 1.22rem; }
.ccard-overlay .count { font-size: .82rem; opacity: .82; }
.ccard-arrow {
    position: absolute; top: 20px; right: 20px;
    width: 38px; height: 38px; display: grid; place-items: center;
    border-radius: 50%; background: rgba(255, 255, 255, .16);
    backdrop-filter: blur(8px); border: 1px solid rgba(255, 255, 255, .25);
    transition: all var(--t);
}
.ccard:hover .ccard-arrow { background: var(--ice-500); border-color: var(--ice-500); transform: rotate(-45deg); }
.ccard-arrow svg { width: 16px; height: 16px; color: #fff; }

/* 特性 */
.fcard {
    padding: 30px 26px; border-radius: var(--r-lg);
    background: var(--bg-elevated); border: 1px solid var(--border-soft);
    transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.fcard:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--brand-100); }
.fcard-icon {
    width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
    background: linear-gradient(135deg, var(--brand-50), var(--ice-100));
    color: var(--brand-600); margin-bottom: 18px;
}
.fcard-icon svg { width: 24px; height: 24px; }
.fcard h3 { font-size: 1.08rem; margin-bottom: .4em; }
.fcard p { color: var(--text-soft); font-size: .92rem; margin: 0; }

/* ---------- Page header ---------- */
.page-hero {
    position: relative; padding: clamp(52px, 7vw, 88px) 0 clamp(40px, 5vw, 64px);
    background: linear-gradient(135deg, var(--brand-900), var(--brand-700) 55%, var(--ice-600));
    color: #fff; overflow: hidden;
}
.page-hero::before {
    content: ""; position: absolute; top: -40%; right: -8%;
    width: 520px; height: 520px; border-radius: 50%;
    background: radial-gradient(circle, rgba(34, 194, 232, .28), transparent 68%);
}
.page-hero::after {
    content: ""; position: absolute; inset: 0; 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: 52px 52px;
    mask-image: radial-gradient(ellipse at 70% 40%, #000, transparent 72%);
}
.page-hero > .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; margin-bottom: .25em; }
.page-hero p { color: rgba(255, 255, 255, .82); max-width: 46em; margin: 0; }

.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: .84rem; margin-bottom: 16px; }
.crumbs a { color: rgba(255, 255, 255, .72); transition: color var(--t-fast); }
.crumbs a:hover { color: #fff; }
.crumbs .sep { opacity: .4; }
.crumbs .current { color: #fff; font-weight: 600; }

/* ---------- Sidebar + content ---------- */
.with-side { display: grid; grid-template-columns: 268px 1fr; gap: 40px; align-items: start; }
.side-card {
    background: var(--bg-elevated); border: 1px solid var(--border-soft);
    border-radius: var(--r-lg); overflow: hidden; margin-bottom: 24px;
}
.side-head {
    padding: 16px 20px; font-weight: 700; font-size: .95rem;
    background: linear-gradient(135deg, var(--brand-700), var(--brand-600));
    color: #fff; display: flex; align-items: center; gap: 9px;
}
.side-head svg { width: 17px; height: 17px; }
.side-nav { list-style: none; margin: 0; padding: 8px; }
.side-nav > li > a {
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
    padding: 10px 13px; border-radius: var(--r-sm);
    font-size: .9rem; font-weight: 600; color: var(--text-soft);
    transition: all var(--t-fast);
}
.side-nav > li > a:hover { background: var(--brand-50); color: var(--brand-600); }
.side-nav > li.is-active > a { background: var(--brand-50); color: var(--brand-600); }
.side-sub { list-style: none; margin: 2px 0 8px; padding: 0 0 0 12px; border-left: 1px solid var(--border); }
.side-sub a {
    display: flex; justify-content: space-between; gap: 8px;
    padding: 7px 12px; border-radius: 6px; font-size: .845rem; color: var(--text-faint);
    transition: all var(--t-fast);
}
.side-sub a:hover, .side-sub li.is-active a { color: var(--brand-600); background: var(--brand-50); }
.side-sub .n { font-size: .72rem; color: var(--text-faint); }

.side-contact { padding: 20px; }
.side-contact .row { display: flex; gap: 11px; align-items: flex-start; margin-bottom: 14px; font-size: .87rem; }
.side-contact .row:last-child { margin-bottom: 0; }
.side-contact svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 3px; color: var(--ice-600); }
.side-contact .k { font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--text-faint); }
.side-contact .v { color: var(--text); word-break: break-word; }

/* ---------- Product detail ---------- */
.pd { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 46px; align-items: start; }
.pd-gallery { position: sticky; top: calc(var(--header-h) + 22px); }
.pd-main {
    position: relative; aspect-ratio: 1 / 1;
    background: var(--bg-soft); border: 1px solid var(--border-soft);
    border-radius: var(--r-lg); overflow: hidden; display: grid; place-items: center; padding: 26px;
}
.pd-main img { max-width: 100%; max-height: 100%; object-fit: contain; transition: transform .5s var(--ease); }
.pd-main:hover img { transform: scale(1.05); }
.pd-thumbs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.pd-thumb {
    width: 74px; height: 74px; padding: 5px; cursor: pointer;
    background: var(--bg-soft); border: 2px solid var(--border-soft);
    border-radius: var(--r-sm); overflow: hidden; transition: all var(--t-fast);
}
.pd-thumb img { width: 100%; height: 100%; object-fit: contain; }
.pd-thumb:hover { border-color: var(--brand-400); transform: translateY(-2px); }
.pd-thumb.is-active { border-color: var(--brand-500); box-shadow: 0 0 0 3px var(--brand-50); }

.pd-info h1 { font-size: clamp(1.6rem, 3vw, 2.35rem); margin-bottom: .3em; }
.pd-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 5px 13px; border-radius: var(--r-full);
    background: var(--brand-50); color: var(--brand-700);
    font-size: .78rem; font-weight: 650;
}
.chip--ice { background: var(--ice-100); color: var(--ice-600); }

.pd-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0; }
.pd-block { margin-top: 32px; }
.pd-block > h3 {
    display: flex; align-items: center; gap: 10px;
    font-size: 1.05rem; padding-bottom: 12px; margin-bottom: 18px;
    border-bottom: 2px solid var(--border-soft);
}
.pd-block > h3::before {
    content: ""; width: 4px; height: 17px; border-radius: 2px;
    background: linear-gradient(180deg, var(--brand-500), var(--ice-500));
}

/* ---------- Rich text ---------- */
.rte { color: var(--text-soft); line-height: 1.8; word-wrap: break-word; }
.rte img { border-radius: var(--r); margin: 1em 0; box-shadow: var(--shadow-sm); }
.rte p { margin: 0 0 1.05em; }
.rte h2, .rte h3, .rte h4 { color: var(--text); margin: 1.6em 0 .6em; }
.rte a { color: var(--brand-600); text-decoration: underline; text-underline-offset: 3px; }
.rte table { width: 100%; border-collapse: collapse; margin: 1.4em 0; font-size: .9rem; display: block; overflow-x: auto; }
.rte th, .rte td { padding: 10px 14px; border: 1px solid var(--border); text-align: left; }
.rte th { background: var(--bg-soft); font-weight: 700; color: var(--text); }
.rte ul, .rte ol { padding-left: 1.4em; margin-bottom: 1.1em; }
.rte li { margin-bottom: .4em; }
.rte blockquote {
    margin: 1.4em 0; padding: 14px 20px; border-left: 3px solid var(--ice-500);
    background: var(--bg-soft); border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

/* About 页面左右布局 */
.about-split {
    display: grid;
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    gap: 56px;
    align-items: stretch; /* 左右两栏等高 */
}
.about-media {
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 24px;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    overflow: hidden;
}
.about-media-support {
    width: auto;
    max-width: 160px;
    max-height: 56px;
    object-fit: contain;
    align-self: flex-start;
}
.about-media-main {
    flex: 1 1 auto;
    min-height: 0;
    display: grid;
    place-items: center;
    border-radius: var(--r-lg);
    overflow: hidden;
    background: var(--bg-elevated);
    border: 1px solid var(--border-soft);
}
.about-media-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.about-text {
    text-align: justify;
    hyphens: auto;
    line-height: 1.85;
}
.about-text p { margin-bottom: 1.1em; }

/* 首页 About + Why PACO 合并区 */
.about-grid { grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap:42px; align-items:stretch; }
.about-intro { display: flex; flex-direction: column; gap: 18px; }
.about-intro-media {
    border-radius: var(--r-lg); overflow: hidden;
    border: 1px solid var(--border-soft);
    aspect-ratio: 16 / 9;
    background: var(--bg-elevated);
}
.about-intro-media img { width: 100%; height: 100%; object-fit: cover; }
.about-features-wrap { display: flex; flex-direction: column; }
.about-features { grid-template-columns: repeat(2,1fr); gap:16px; height: 100%; }
.about-features > .fcard { height: 100%; }

/* 产品列表搜索表单 */
.search-form { display: flex; align-items: center; gap: 8px; flex-wrap: nowrap; }
.search-form .input { flex: 1 1 auto; min-width: 140px; max-width: 260px; }
.search-form .btn { flex-shrink: 0; }

@media (max-width: 900px) {
    .about-grid { grid-template-columns: 1fr; gap: 28px; }
    .about-features { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
    .about-split { grid-template-columns: 1fr; gap: 32px; }
    .about-media { padding: 20px; gap: 14px; }
    .about-media-main { min-height: 220px; }
}

@media (max-width: 640px) {
    .search-form { flex-wrap: wrap; }
    .search-form .input { max-width: none; width: 100%; }
    .search-form .btn { width: 100%; }
    .site-footer .container { padding-inline: 24px; }
    .footer-main { padding: 46px 0 36px; }
    .footer-bottom { padding: 18px 0; }
}

/* ---------- Forms ---------- */
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .84rem; font-weight: 650; margin-bottom: 7px; color: var(--text); }
.field .req { color: #e0484b; }
.input, .textarea, .select {
    width: 100%; padding: .72em .95em;
    background: var(--bg); color: var(--text);
    border: 1px solid var(--border); border-radius: var(--r-sm);
    font-size: .93rem; transition: border-color var(--t-fast), box-shadow var(--t-fast), background-color var(--t-fast);
}
.input:focus, .textarea:focus, .select:focus {
    outline: none; border-color: var(--brand-500);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-500) 16%, transparent);
}
.textarea { min-height: 132px; resize: vertical; line-height: 1.6; }
.select { appearance: none; padding-right: 2.4em; cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%236b7c8f' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right .85em center; background-size: 12px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.help { font-size: .78rem; color: var(--text-faint); margin-top: 5px; }
.captcha-row { display: flex; align-items: center; gap: 12px; }
.captcha-row .input { max-width: 160px; }
.captcha-img {
    height: 44px; width: auto;
    border-radius: var(--r-sm); border: 1px solid var(--border);
    background: var(--bg-soft); cursor: pointer;
    transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.captcha-img:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); }

.alert {
    display: flex; align-items: flex-start; gap: 11px;
    padding: 13px 17px; border-radius: var(--r-sm); font-size: .9rem; margin-bottom: 20px;
    border: 1px solid transparent;
}
.alert svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }
.alert--success { background: #e8f7ee; border-color: #b5e5c8; color: #196b3a; }
.alert--error   { background: #fdecec; border-color: #f6c4c4; color: #a52626; }
.alert--info    { background: var(--brand-50); border-color: var(--brand-100); color: var(--brand-700); }

/* ---------- Pagination ---------- */
.pagination { display: flex; flex-wrap: wrap; justify-content: center; gap: 7px; margin-top: 46px; }
.pg-item {
    min-width: 40px; height: 40px; padding: 0 13px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--border); border-radius: var(--r-sm);
    font-size: .875rem; font-weight: 600; color: var(--text-soft);
    transition: all var(--t-fast);
}
.pg-item:hover:not(.is-disabled):not(.is-active) {
    border-color: var(--brand-500); color: var(--brand-600); background: var(--brand-50); transform: translateY(-1px);
}
.pg-item.is-active {
    background: linear-gradient(135deg, var(--brand-600), var(--brand-500));
    border-color: transparent; color: #fff; box-shadow: var(--shadow-brand);
}
.pg-item.is-disabled { opacity: .38; cursor: not-allowed; }
.pg-gap { display: grid; place-items: center; min-width: 26px; color: var(--text-faint); }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-inverse); color: rgba(255, 255, 255, .68); margin-top: 0; }
.footer-main { padding: clamp(48px, 6vw, 76px) 0 44px; }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1.4fr; gap: 44px; }
.footer-brand img { height: 42px; margin-bottom: 18px; filter: brightness(0) invert(1); opacity: .95; }
.footer-brand p { font-size: .89rem; line-height: 1.75; max-width: 30em; }
.footer-col h4 {
    color: #fff; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase;
    margin-bottom: 18px; padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, .11);
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 9px; }
.footer-col a { font-size: .885rem; transition: color var(--t-fast), padding-left var(--t-fast); }
.footer-col a:hover { color: var(--ice-300); padding-left: 4px; }
.f-contact li { display: flex; gap: 11px; align-items: flex-start; font-size: .875rem; margin-bottom: 14px; }
.f-contact svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 3px; color: var(--ice-400); }
.footer-bottom {
    padding: 20px 0; border-top: 1px solid rgba(255, 255, 255, .09);
    display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center;
    font-size: .82rem;
}
.footer-bottom a:hover { color: var(--ice-300); }

.to-top {
    position: fixed; right: 22px; bottom: 22px; z-index: 90;
    width: 46px; height: 46px; display: grid; place-items: center;
    border: 0; border-radius: 50%; cursor: pointer;
    background: linear-gradient(135deg, var(--brand-600), var(--ice-500));
    color: #fff; box-shadow: var(--shadow);
    opacity: 0; visibility: hidden; transform: translateY(12px);
    transition: all var(--t);
}
.to-top.is-show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.to-top svg { width: 19px; height: 19px; }

/* ---------- Utilities ---------- */
.empty { text-align: center; padding: 72px 20px; color: var(--text-faint); }
.empty svg { width: 56px; height: 56px; margin: 0 auto 18px; opacity: .32; }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: 2rem; } .mb-4 { margin-bottom: 2rem; }
.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.result-bar {
    display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center;
    padding-bottom: 18px; margin-bottom: 26px; border-bottom: 1px solid var(--border-soft);
    font-size: .88rem; color: var(--text-faint);
}
.result-bar strong { color: var(--text); }

/* 滚动进场动画 */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s var(--ease), transform .65s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
    .with-side { grid-template-columns: 232px 1fr; gap: 28px; }
}
@media (max-width: 900px) {
    :root { --header-h: 64px; }
    .nav { display: none; }
    .burger { display: grid; }
    .with-side { grid-template-columns: 1fr; }
    .with-side .side { order: 2; }
    .pd { grid-template-columns: 1fr; gap: 30px; }
    .pd-gallery { position: static; }
    .stats-inner { grid-template-columns: repeat(2, 1fr); }
    .stats-bar { margin-top: -32px; }
}
@media (max-width: 640px) {
    body { font-size: 15px; }
    .container { padding-inline: 18px; }
    .section { padding: 46px 0; }
    .hero-slides { height: clamp(400px, 74vh, 520px); }
    .cards { grid-template-columns: repeat(auto-fill, minmax(158px, 1fr)); gap: 14px; }
    .cards--3 { grid-template-columns: 1fr; }
    .pcard-body { padding: 12px 13px 16px; }
    .pcard-title { font-size: .9rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .field-row { grid-template-columns: 1fr; gap: 0; }
    .hero-cta .btn { flex: 1 1 100%; }
    .pd-thumb { width: 60px; height: 60px; }
    .to-top { right: 14px; bottom: 14px; width: 42px; height: 42px; }
    .footer-main { padding: 40px 0 32px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important; animation-iteration-count: 1 !important;
        transition-duration: .01ms !important; scroll-behavior: auto !important;
    }
    .reveal { opacity: 1; transform: none; }
}

@media print {
    .site-header, .site-footer, .to-top, .side, .pd-actions { display: none !important; }
    body { background: #fff; color: #000; }
}

/* ===================================================================
   NEWS LIST / ARTICLE / INQUIRY / SEARCH / SITEMAP
   =================================================================== */
.ta-r { text-align: right; }

/* --- 新闻列表 --- */
.nlist { list-style: none; display: grid; gap: 18px; }
.nrow {
    display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 24px;
    background: var(--bg-elevated); border: 1px solid var(--border);
    border-radius: var(--r-lg); padding: 22px 26px;
    transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.nrow:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--brand-100); }
.nrow-date {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    border-radius: var(--r); background: var(--brand-50); color: var(--brand-700);
    padding: 12px 6px; text-decoration: none; height: fit-content;
}
.nrow-date .d { font-size: 1.7rem; font-weight: 800; line-height: 1; letter-spacing: -.02em; }
.nrow-date .m { font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; margin-top: 5px; opacity: .8; }
.nrow-body h3 { font-size: 1.1rem; margin-bottom: .45em; line-height: 1.45; }
.nrow-body h3 a { color: var(--text); text-decoration: none; transition: color .25s var(--ease); }
.nrow:hover .nrow-body h3 a { color: var(--brand-600); }
.nrow-body p {
    color: var(--text-soft); font-size: .92rem; margin: 0 0 .8em;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.nrow-more { display: inline-flex; align-items: center; gap: 6px; font-size: .84rem; font-weight: 650; color: var(--brand-600); }
.nrow-more svg { width: 15px; height: 15px; transition: transform .3s var(--ease); }
.nrow:hover .nrow-more svg { transform: translateX(4px); }

/* --- 文章详情 --- */
.article { max-width: 860px; margin: 0 auto; }
.article-meta {
    display: flex; flex-wrap: wrap; align-items: center; gap: 18px;
    padding-bottom: 20px; margin-bottom: 28px; border-bottom: 1px solid var(--border);
    font-size: .85rem; color: var(--text-faint);
}
.article-meta > span { display: inline-flex; align-items: center; gap: 7px; }
.article-meta svg { width: 16px; height: 16px; }
.article-cover { width: 100%; border-radius: var(--r-lg); margin-bottom: 28px; box-shadow: var(--shadow-sm); }
.article-nav {
    display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
    margin-top: 42px; padding-top: 26px; border-top: 1px solid var(--border); font-size: .9rem;
}
.article-nav span { display: block; font-size: .74rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-faint); margin-bottom: 5px; }
.article-nav a { color: var(--text); text-decoration: none; font-weight: 600; }
.article-nav a:hover { color: var(--brand-600); }
.article-nav em { color: var(--text-faint); font-style: normal; }

/* --- 询盘区 --- */
.inq { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: 46px; align-items: start; }
.inq-aside h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: .5em; }
.inq-aside p { color: var(--text-soft); }
.inq-points { list-style: none; margin-top: 26px; display: grid; gap: 13px; }
.inq-points li { display: flex; align-items: center; gap: 11px; font-size: .93rem; color: var(--text-soft); }
.inq-points svg { width: 19px; height: 19px; flex-shrink: 0; padding: 3px; border-radius: 50%; background: var(--brand-50); color: var(--brand-600); }
.inq-form {
    background: var(--bg-elevated); border: 1px solid var(--border);
    border-radius: var(--r-lg); padding: 34px; box-shadow: var(--shadow-sm);
}

/* --- 搜索条 --- */
.searchbar {
    display: flex; align-items: center; gap: 12px; max-width: 720px; margin: 0 auto;
    background: var(--bg-elevated); border: 1px solid var(--border);
    border-radius: 999px; padding: 8px 8px 8px 20px; box-shadow: var(--shadow-sm);
}
.searchbar > svg { width: 20px; height: 20px; color: var(--text-faint); flex-shrink: 0; }
.searchbar .input { border: 0; background: transparent; padding: 10px 0; box-shadow: none; }
.searchbar .input:focus { outline: none; box-shadow: none; }
.searchbar .btn { border-radius: 999px; flex-shrink: 0; }

/* --- 站点地图 --- */
.smap { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 34px; }
.smap-col h3 {
    font-size: 1rem; margin-bottom: 14px; padding-bottom: 11px;
    border-bottom: 2px solid var(--brand-500); display: inline-block;
}
.smap-col h3 a { color: var(--text); text-decoration: none; }
.smap-col ul { list-style: none; display: grid; gap: 9px; }
.smap-col a { color: var(--text-soft); text-decoration: none; font-size: .9rem; transition: color .2s var(--ease); }
.smap-col a:hover { color: var(--brand-600); }
.smap-col em { color: var(--text-faint); font-style: normal; font-size: .8rem; }

@media (max-width: 900px) {
    .inq { grid-template-columns: 1fr; gap: 30px; }
    .inq-form { padding: 26px 22px; }
}
@media (max-width: 640px) {
    .nrow { grid-template-columns: 1fr; gap: 14px; padding: 18px; }
    .nrow-date { flex-direction: row; gap: 8px; align-items: baseline; width: fit-content; padding: 7px 14px; }
    .nrow-date .m { margin-top: 0; }
    .article-nav { grid-template-columns: 1fr; gap: 16px; }
    .article-nav .ta-r { text-align: left; }
    .searchbar { flex-wrap: wrap; border-radius: var(--r-lg); padding: 14px; }
    .searchbar .input { flex: 1 1 100%; }
    .searchbar .btn { width: 100%; }
    .smap { gap: 26px; }
}