/* =========================================================
   鸿栢科技官网 · 品牌视觉系统
   主色：深海蓝 #0b3d91 / 电光蓝 #1657c8 / 品牌黄 #ffc400
   ========================================================= */
:root {
    --blue: #0b3d91;
    --blue-2: #1657c8;
    --blue-3: #3d7ee8;
    --navy: #061c42;
    --navy-2: #082a63;
    --yellow: #ffc400;
    --yellow-2: #ffb000;
    --yellow-soft: #fff6d6;
    --ink: #16233a;
    --ink-2: #2d3b55;
    --muted: #5b6b86;
    --muted-2: #8494ad;
    --line: #e4eaf4;
    --line-2: #eef2f9;
    --bg: #f5f8fd;
    --white: #ffffff;
    --ok: #1f9d63;
    --danger: #d64545;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 10px 30px rgba(10, 35, 90, .08);
    --shadow-lg: 0 24px 60px rgba(7, 29, 75, .16);
    --container: 1240px;
    --header-h: 76px;
    --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font);
    color: var(--ink);
    background: var(--bg);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; border: 0; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--blue-2); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; line-height: 1.3; color: var(--ink); }
p { margin: 0 0 1em; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
button { cursor: pointer; }
::selection { background: var(--yellow); color: var(--navy); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 46px; padding: 0 26px; border-radius: 999px;
    font-weight: 700; font-size: 15px; border: 1px solid transparent;
    transition: all .22s ease; white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: linear-gradient(135deg, var(--yellow), var(--yellow-2)); color: #1a2a44; box-shadow: 0 10px 24px rgba(255, 183, 0, .35); }
.btn-primary:hover { transform: translateY(-2px); color: #1a2a44; box-shadow: 0 14px 30px rgba(255, 183, 0, .45); }
.btn-dark { background: var(--blue); color: #fff; box-shadow: 0 10px 24px rgba(11, 61, 145, .25); }
.btn-dark:hover { background: var(--blue-2); color: #fff; transform: translateY(-2px); }
.btn-ghost { border-color: rgba(255,255,255,.45); color: #fff; background: rgba(255,255,255,.06); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255,255,255,.14); color: #fff; }
.btn-outline { border-color: var(--line); background: #fff; color: var(--blue); }
.btn-outline:hover { border-color: var(--blue-3); color: var(--blue-2); }
.btn-sm { min-height: 38px; padding: 0 18px; font-size: 13px; }
.btn-block { width: 100%; }

/* ---------- Top bar ---------- */
.hb-topbar { background: var(--navy); color: #c7d6f0; font-size: 13px; }
.hb-topbar .container { display: flex; align-items: center; justify-content: space-between; min-height: 38px; gap: 20px; }
.hb-topbar-left { display: flex; align-items: center; gap: 24px; }
.hb-topbar-item { display: inline-flex; align-items: center; gap: 7px; color: #c7d6f0; }
.hb-topbar-item strong { color: #fff; font-size: 14px; letter-spacing: .3px; }
.hb-topbar-item svg { width: 14px; height: 14px; color: var(--yellow); }
.hb-topbar-right { display: flex; align-items: center; gap: 18px; }
.hb-topbar-right a:hover { color: var(--yellow); }
.hb-topbar .dot { width: 4px; height: 4px; border-radius: 50%; background: rgba(255,255,255,.3); }

/* ---------- Header ---------- */
.hb-header { position: sticky; top: 0; z-index: 90; background: rgba(255,255,255,.96); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line-2); transition: box-shadow .25s ease; }
.hb-header.is-stuck { box-shadow: 0 8px 30px rgba(10, 35, 90, .08); }
.hb-header .container { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-h); gap: 28px; }
.hb-logo { flex: 0 0 auto; display: flex; align-items: center; }
.hb-logo img { height: 46px; width: auto; }

.hb-nav { flex: 1; display: flex; align-items: center; justify-content: center; min-width: 0; }
.hb-nav > ul { display: flex; align-items: center; gap: 4px; flex-wrap: nowrap; }
.hb-nav > ul > li { position: relative; flex: 0 0 auto; }
.hb-nav > ul > li > a {
    display: flex; align-items: center; gap: 5px; height: var(--header-h); padding: 0 16px;
    font-size: 15px; font-weight: 600; color: var(--ink-2); position: relative;
    white-space: nowrap; flex: 0 0 auto;
}
.hb-nav > ul > li > a::after {
    content: ""; position: absolute; left: 16px; right: 16px; bottom: 18px; height: 3px;
    background: var(--yellow); border-radius: 3px; transform: scaleX(0); transition: transform .22s ease;
}
.hb-nav > ul > li:hover > a, .hb-nav > ul > li.active > a { color: var(--blue); }
.hb-nav > ul > li:hover > a::after, .hb-nav > ul > li.active > a::after { transform: scaleX(1); }
.hb-nav .caret { width: 10px; height: 10px; opacity: .55; }

.hb-dropdown {
    position: absolute; top: calc(var(--header-h) - 8px); left: 50%; transform: translate(-50%, 10px);
    min-width: 230px; background: #fff; border: 1px solid var(--line); border-radius: 14px;
    box-shadow: var(--shadow-lg); padding: 10px; opacity: 0; visibility: hidden; transition: all .2s ease;
}
.hb-nav li:hover > .hb-dropdown { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.hb-dropdown a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 14px; border-radius: 9px; font-size: 14px; color: var(--ink-2); font-weight: 500; }
.hb-dropdown a:hover { background: #f2f6fe; color: var(--blue); }
.hb-dropdown a span { font-size: 12px; color: var(--muted-2); }

.hb-header-actions { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.hb-search-btn { width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); background: #fff; display: inline-flex; align-items: center; justify-content: center; color: var(--ink-2); }
.hb-search-btn:hover { color: var(--blue); border-color: var(--blue-3); }
.hb-search-btn svg { width: 18px; height: 18px; }
.hb-menu-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--line); background: #fff; align-items: center; justify-content: center; }
.hb-menu-toggle span, .hb-menu-toggle span::before, .hb-menu-toggle span::after { display: block; width: 20px; height: 2px; background: var(--ink); border-radius: 2px; position: relative; transition: all .2s ease; }
.hb-menu-toggle span::before, .hb-menu-toggle span::after { content: ""; position: absolute; left: 0; }
.hb-menu-toggle span::before { top: -6px; }
.hb-menu-toggle span::after { top: 6px; }

/* ---------- Search overlay ---------- */
.hb-search-overlay { position: fixed; inset: 0; z-index: 200; background: rgba(4, 18, 45, .72); backdrop-filter: blur(8px); display: flex; align-items: flex-start; justify-content: center; padding: 14vh 24px; opacity: 0; visibility: hidden; transition: all .2s ease; }
.hb-search-overlay.open { opacity: 1; visibility: visible; }
.hb-search-box { width: 100%; max-width: 700px; background: #fff; border-radius: 18px; padding: 28px; box-shadow: var(--shadow-lg); }
.hb-search-box h3 { font-size: 20px; margin-bottom: 16px; }
.hb-search-form { display: flex; gap: 10px; }
.hb-search-form input { flex: 1; height: 54px; border: 1px solid var(--line); border-radius: 12px; padding: 0 18px; font-size: 16px; outline: none; background: var(--bg); }
.hb-search-form input:focus { border-color: var(--blue-3); background: #fff; }
.hb-hotwords { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.hb-hotwords span { color: var(--muted); font-size: 13px; }
.hb-hotwords a { font-size: 13px; padding: 5px 12px; border-radius: 999px; background: #f0f4fc; color: var(--ink-2); }
.hb-hotwords a:hover { background: var(--yellow-soft); color: #8a5b00; }
.hb-search-close { position: absolute; top: 24px; right: 28px; width: 44px; height: 44px; border-radius: 50%; border: 0; background: rgba(255,255,255,.14); color: #fff; font-size: 24px; }

/* ---------- Hero ---------- */
.hb-hero { position: relative; overflow: hidden; background: radial-gradient(1200px 600px at 78% 18%, #1b5fd0 0%, #0b3d91 42%, #061c42 100%); color: #fff; }
.hb-hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(180deg, #000 0%, transparent 92%); }
.hb-hero::after { content: ""; position: absolute; width: 640px; height: 640px; right: -160px; top: -220px; border-radius: 50%; background: radial-gradient(circle, rgba(255,196,0,.2), transparent 65%); pointer-events: none; }
.hb-hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; padding: 88px 0 104px; }
.hb-hero-badge { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: #ffdf7a; background: rgba(255,196,0,.12); border: 1px solid rgba(255,196,0,.32); border-radius: 999px; padding: 7px 14px; margin-bottom: 22px; letter-spacing: .5px; }
.hb-hero h1 { font-size: 50px; line-height: 1.18; letter-spacing: -0.5px; color: #fff; margin-bottom: 20px; }
.hb-hero h1 em { font-style: normal; color: var(--yellow); position: relative; }
.hb-hero-sub { font-size: 17px; color: #c9daf7; max-width: 620px; margin-bottom: 30px; line-height: 1.85; }
.hb-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.hb-hero-stats { display: flex; flex-wrap: wrap; gap: 34px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.14); }
.hb-hero-stat b { display: block; font-size: 30px; color: #fff; line-height: 1.1; letter-spacing: .5px; }
.hb-hero-stat b small { font-size: 15px; color: var(--yellow); margin-left: 3px; }
.hb-hero-stat span { font-size: 13px; color: #a9c1e8; }

/* Hero visual */
.hb-hero-visual { position: relative; min-height: 420px; }
.hb-hero-orbit { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.hb-hero-ring { width: 430px; height: 430px; border: 1px dashed rgba(255,255,255,.22); border-radius: 50%; position: absolute; animation: hbSpin 40s linear infinite; }
.hb-hero-ring::before { content: ""; position: absolute; top: 22px; left: 50%; width: 10px; height: 10px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 20px rgba(255,196,0,.9); }
.hb-hero-ring.ring2 { width: 320px; height: 320px; animation-direction: reverse; animation-duration: 30s; border-style: solid; border-color: rgba(255,255,255,.1); }
.hb-hero-ring.ring2::before { top: auto; bottom: 8px; left: 30%; background: #7fb0ff; box-shadow: 0 0 18px rgba(127,176,255,.8); }
@keyframes hbSpin { to { transform: rotate(360deg); } }
.hb-hero-board { position: relative; width: 320px; padding: 26px; border-radius: 22px; background: linear-gradient(160deg, rgba(255,255,255,.14), rgba(255,255,255,.04)); border: 1px solid rgba(255,255,255,.2); backdrop-filter: blur(8px); box-shadow: 0 30px 70px rgba(0,0,0,.28); z-index: 2; }
.hb-hero-board-top { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.hb-hero-board-top i { width: 9px; height: 9px; border-radius: 50%; background: var(--yellow); display: block; box-shadow: 0 0 12px rgba(255,196,0,.8); }
.hb-hero-board-top span { font-size: 12px; letter-spacing: 1.5px; color: #cfe0ff; }
.hb-hero-board h4 { color: #fff; font-size: 19px; margin-bottom: 6px; }
.hb-hero-board p { color: #a9c1e8; font-size: 13px; margin-bottom: 18px; }
.hb-hero-param { display: flex; justify-content: space-between; padding: 11px 0; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; }
.hb-hero-param span { color: #a9c1e8; }
.hb-hero-param b { color: var(--yellow); font-weight: 700; }
.hb-hero-chip { position: absolute; display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: 12px; background: #fff; color: var(--navy); font-size: 13px; font-weight: 700; box-shadow: 0 14px 34px rgba(0,0,0,.22); z-index: 3; }
.hb-hero-chip svg { width: 16px; height: 16px; color: var(--blue); }
.chip-1 { top: 24px; right: 4px; animation: hbFloat 5s ease-in-out infinite; }
.chip-2 { bottom: 28px; left: -6px; animation: hbFloat 6s ease-in-out infinite reverse; }
@keyframes hbFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ---------- Trust strip ---------- */
.hb-trust { background: #fff; border-bottom: 1px solid var(--line-2); }
.hb-trust .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-2); }
.hb-trust-item { background: #fff; padding: 24px 18px; display: flex; align-items: center; gap: 14px; }
.hb-trust-icon { width: 46px; height: 46px; border-radius: 12px; background: #f0f5ff; color: var(--blue); display: flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.hb-trust-icon svg { width: 22px; height: 22px; }
.hb-trust-item b { display: block; font-size: 15px; color: var(--ink); }
.hb-trust-item span { font-size: 12.5px; color: var(--muted); }

/* ---------- Sections ---------- */
.hb-section { padding: 84px 0; }
.hb-section.alt { background: #fff; }
.hb-section.dark { background: linear-gradient(150deg, var(--navy), var(--blue)); color: #fff; }
.hb-section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 42px; }
.hb-eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--blue-2); font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 10px; }
.hb-eyebrow::before { content: ""; width: 22px; height: 3px; border-radius: 3px; background: var(--yellow); }
.hb-section-title { font-size: 36px; line-height: 1.25; letter-spacing: -0.3px; }
.hb-section-title em { font-style: normal; color: var(--blue-2); }
.hb-section-desc { margin-top: 12px; color: var(--muted); font-size: 15.5px; max-width: 680px; }
.hb-section.dark .hb-section-title { color: #fff; }
.hb-section.dark .hb-section-desc { color: #b9cdec; }
.hb-section.dark .hb-eyebrow { color: var(--yellow); }
.hb-section-more { flex: 0 0 auto; }
.hb-section-more a { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 700; color: var(--blue); }
.hb-section-more a:hover { color: var(--blue-2); }
.hb-section-more svg { width: 16px; height: 16px; }

/* ---------- Product cards ---------- */
.hb-grid { display: grid; gap: 22px; }
.hb-grid-3 { grid-template-columns: repeat(3, 1fr); }
.hb-grid-4 { grid-template-columns: repeat(4, 1fr); }
.hb-grid-2 { grid-template-columns: repeat(2, 1fr); }

.hb-product-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .25s ease; display: flex; flex-direction: column; }
.hb-product-card:hover { transform: translateY(-5px); border-color: #cfdcf3; box-shadow: var(--shadow-lg); }
.hb-product-media { position: relative; aspect-ratio: 4 / 3; background: linear-gradient(145deg, #eef4ff, #dbe7fb); overflow: hidden; }
.hb-product-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.hb-product-card:hover .hb-product-media img { transform: scale(1.045); }
.hb-product-ph { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; position: relative; background: radial-gradient(circle at 30% 20%, #ffffff, #dbe7fb 60%, #c9dbf7); }
.hb-product-ph::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(11,61,145,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(11,61,145,.06) 1px, transparent 1px); background-size: 28px 28px; }
.hb-product-ph b { position: relative; font-size: 17px; color: var(--blue); text-align: center; padding: 0 18px; line-height: 1.45; letter-spacing: .3px; }
.hb-product-ph::after { content: ""; position: absolute; width: 64px; height: 4px; border-radius: 4px; background: var(--yellow); bottom: 26%; }
.hb-product-tag { position: absolute; top: 12px; left: 12px; z-index: 2; background: rgba(6, 28, 66, .82); color: #fff; font-size: 11.5px; padding: 4px 10px; border-radius: 999px; backdrop-filter: blur(4px); }
.hb-product-body { padding: 20px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.hb-product-body h3 { font-size: 17px; margin-bottom: 8px; line-height: 1.5; }
.hb-product-body h3 a:hover { color: var(--blue-2); }
.hb-product-body p { font-size: 13.5px; color: var(--muted); line-height: 1.7; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.hb-product-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 14px; border-top: 1px dashed var(--line); }
.hb-product-foot span { font-size: 12px; color: var(--muted-2); }
.hb-product-foot a { font-size: 13px; font-weight: 700; color: var(--blue); }
.hb-product-foot a:hover { color: var(--yellow-2); }

/* Category cards */
.hb-cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 34px; }
.hb-cat-card { position: relative; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 22px 20px; transition: all .22s ease; overflow: hidden; }
.hb-cat-card::after { content: ""; position: absolute; right: -22px; bottom: -22px; width: 90px; height: 90px; border-radius: 50%; background: #f3f7ff; transition: all .25s ease; }
.hb-cat-card:hover, .hb-cat-card.active { border-color: var(--blue-3); box-shadow: var(--shadow); transform: translateY(-3px); }
.hb-cat-card:hover::after, .hb-cat-card.active::after { background: var(--yellow-soft); }
.hb-cat-card b { display: block; font-size: 16px; margin-bottom: 6px; position: relative; z-index: 2; }
.hb-cat-card span { font-size: 12.5px; color: var(--muted); position: relative; z-index: 2; }
.hb-cat-card .num { position: absolute; top: 16px; right: 18px; font-size: 12px; font-weight: 700; color: var(--blue-3); z-index: 2; }

/* ---------- Solution / capability ---------- */
.hb-solutions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.hb-solution { position: relative; min-height: 300px; border-radius: 18px; overflow: hidden; padding: 30px; display: flex; flex-direction: column; justify-content: flex-end; color: #fff; background: linear-gradient(150deg, #0d3f94, #07204d); }
.hb-solution:nth-child(2) { background: linear-gradient(150deg, #1657c8, #0b3d91); }
.hb-solution:nth-child(3) { background: linear-gradient(150deg, #1c4f9e, #061c42); }
.hb-solution::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(circle at 80% 10%, rgba(255,196,0,.18), transparent 45%), linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: auto, 38px 38px, 38px 38px; }
.hb-solution > * { position: relative; z-index: 2; }
.hb-solution-num { font-size: 13px; font-weight: 700; color: var(--yellow); letter-spacing: 2px; margin-bottom: auto; }
.hb-solution h3 { font-size: 22px; color: #fff; margin-bottom: 10px; }
.hb-solution p { color: #c5d8f5; font-size: 14px; line-height: 1.75; margin-bottom: 18px; }
.hb-solution a { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 700; color: var(--yellow); }
.hb-solution a:hover { color: #fff; }

/* ---------- Stats band ---------- */
.hb-stats-band { background: linear-gradient(100deg, var(--navy), var(--blue) 70%, var(--blue-2)); border-radius: 20px; padding: 40px 44px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; color: #fff; position: relative; overflow: hidden; }
.hb-stats-band::after { content: ""; position: absolute; right: -60px; top: -90px; width: 280px; height: 280px; border-radius: 50%; border: 40px solid rgba(255,196,0,.08); }
.hb-stat-item { position: relative; z-index: 2; }
.hb-stat-item b { display: block; font-size: 38px; line-height: 1.1; letter-spacing: .5px; }
.hb-stat-item b small { font-size: 16px; color: var(--yellow); margin-left: 3px; }
.hb-stat-item span { font-size: 13.5px; color: #b7cbec; }

/* ---------- FAQ ---------- */
.hb-faq-wrap { display: grid; grid-template-columns: .85fr 1.15fr; gap: 54px; align-items: start; }
.hb-faq-aside { position: sticky; top: calc(var(--header-h) + 24px); }
.hb-faq-aside .hb-section-title { font-size: 32px; }
.hb-faq-aside p { color: var(--muted); margin-top: 14px; }
.hb-faq-aside .btn { margin-top: 24px; }
.hb-faq-list { display: flex; flex-direction: column; gap: 12px; }
.hb-faq-item { background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; transition: border-color .2s ease, box-shadow .2s ease; }
.hb-faq-item.open { border-color: #c7d8f4; box-shadow: var(--shadow); }
.hb-faq-q { width: 100%; display: flex; align-items: center; gap: 14px; padding: 20px 22px; background: none; border: 0; text-align: left; font-size: 15.5px; font-weight: 700; color: var(--ink); }
.hb-faq-q .idx { flex: 0 0 auto; width: 26px; height: 26px; border-radius: 8px; background: #f0f5ff; color: var(--blue); font-size: 12.5px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; }
.hb-faq-item.open .hb-faq-q .idx { background: var(--yellow); color: #1a2a44; }
.hb-faq-q .plus { margin-left: auto; flex: 0 0 auto; width: 22px; height: 22px; position: relative; }
.hb-faq-q .plus::before, .hb-faq-q .plus::after { content: ""; position: absolute; background: var(--blue); border-radius: 2px; transition: transform .22s ease; }
.hb-faq-q .plus::before { left: 3px; right: 3px; top: 10px; height: 2px; }
.hb-faq-q .plus::after { top: 3px; bottom: 3px; left: 10px; width: 2px; }
.hb-faq-item.open .plus::after { transform: scaleY(0); }
.hb-faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.hb-faq-a-inner { padding: 0 22px 22px 62px; color: var(--muted); font-size: 14.5px; line-height: 1.85; }
.hb-faq-item.open .hb-faq-a { max-height: 600px; }
.hb-faq-more { margin-top: 18px; }

/* ---------- News ---------- */
.hb-news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.hb-news-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: all .25s ease; }
.hb-news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: #cfdcf3; }
.hb-news-media { aspect-ratio: 16 / 9; background: linear-gradient(140deg, #e9f0fd, #cfdcf5); position: relative; overflow: hidden; }
.hb-news-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.hb-news-card:hover .hb-news-media img { transform: scale(1.045); }
.hb-news-ph { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; background: radial-gradient(circle at 70% 20%, #fff, #dfe9fa 65%, #cbdbf5); position: relative; }
.hb-news-ph::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(11,61,145,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(11,61,145,.05) 1px, transparent 1px); background-size: 24px 24px; }
.hb-news-ph span { position: relative; font-size: 26px; font-weight: 800; color: rgba(11, 61, 145, .22); letter-spacing: 4px; }
.hb-news-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.hb-news-meta { display: flex; align-items: center; gap: 12px; font-size: 12.5px; color: var(--muted-2); margin-bottom: 10px; }
.hb-news-meta .cat { color: var(--blue); font-weight: 700; background: #eef4ff; padding: 2px 9px; border-radius: 999px; }
.hb-news-card h3 { font-size: 16.5px; line-height: 1.55; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.hb-news-card p { font-size: 13.5px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 14px; }
.hb-news-card .read { margin-top: auto; font-size: 13px; font-weight: 700; color: var(--blue); display: inline-flex; align-items: center; gap: 5px; }

/* ---------- Case cards ---------- */
.hb-case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.hb-case-card { position: relative; border-radius: 16px; overflow: hidden; min-height: 260px; background: linear-gradient(150deg, #123e86, #061c42); color: #fff; display: flex; align-items: flex-end; padding: 26px; }
.hb-case-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .55; transition: transform .4s ease; }
.hb-case-card:hover img { transform: scale(1.05); }
.hb-case-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6,28,66,.05), rgba(6,28,66,.92)); }
.hb-case-card-body { position: relative; z-index: 2; }
.hb-case-card span { font-size: 12px; color: var(--yellow); font-weight: 700; letter-spacing: 1px; }
.hb-case-card h3 { color: #fff; font-size: 18px; line-height: 1.5; margin-top: 6px; }
.hb-case-card p { color: #bfd2ef; font-size: 13px; margin: 6px 0 0; }

/* ---------- Download ---------- */
.hb-download-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.hb-download-item { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px; display: flex; align-items: center; gap: 16px; transition: all .22s ease; }
.hb-download-item:hover { border-color: #cfdcf3; box-shadow: var(--shadow); transform: translateY(-2px); }
.hb-download-icon { width: 48px; height: 48px; border-radius: 12px; background: #fff4d6; color: #a06b00; display: flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.hb-download-icon svg { width: 22px; height: 22px; }
.hb-download-info { flex: 1; min-width: 0; }
.hb-download-info b { display: block; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hb-download-info span { font-size: 12.5px; color: var(--muted-2); }
.hb-download-item .btn { flex: 0 0 auto; }

/* ---------- CTA band ---------- */
.hb-cta { position: relative; overflow: hidden; background: linear-gradient(110deg, var(--blue), var(--blue-2)); border-radius: 22px; padding: 58px 56px; color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.hb-cta::before { content: ""; position: absolute; right: -80px; top: -80px; width: 300px; height: 300px; border-radius: 50%; border: 46px solid rgba(255,196,0,.12); }
.hb-cta::after { content: ""; position: absolute; left: 30%; bottom: -100px; width: 240px; height: 240px; border-radius: 50%; background: rgba(255,255,255,.06); }
.hb-cta > * { position: relative; z-index: 2; }
.hb-cta h2 { color: #fff; font-size: 32px; margin-bottom: 10px; }
.hb-cta p { color: #c9dbf7; margin: 0; font-size: 15px; }
.hb-cta-actions { display: flex; gap: 12px; flex-wrap: wrap; flex: 0 0 auto; }

/* ---------- Footer ---------- */
.hb-footer { background: #051733; color: #9fb4d4; font-size: 14px; }
.hb-footer-top { padding: 64px 0 46px; display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 44px; }
.hb-footer h4 { color: #fff; font-size: 16px; margin-bottom: 20px; position: relative; padding-bottom: 12px; }
.hb-footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 26px; height: 3px; border-radius: 3px; background: var(--yellow); }
.hb-footer-about img { height: 44px; margin-bottom: 18px; }
.hb-footer-about p { line-height: 1.85; color: #8ea6c8; font-size: 13.5px; margin-bottom: 20px; }
.hb-footer-social { display: flex; gap: 10px; }
.hb-footer-social a { width: 36px; height: 36px; border-radius: 9px; background: rgba(255,255,255,.06); display: inline-flex; align-items: center; justify-content: center; color: #bcd0ec; }
.hb-footer-social a:hover { background: var(--yellow); color: var(--navy); }
.hb-footer-social svg { width: 16px; height: 16px; }
.hb-footer-links li { margin-bottom: 11px; }
.hb-footer-links a { color: #9fb4d4; font-size: 13.5px; display: inline-flex; align-items: center; gap: 6px; }
.hb-footer-links a::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: rgba(255,196,0,.6); }
.hb-footer-links a:hover { color: var(--yellow); }
.hb-footer-contact li { display: flex; gap: 10px; margin-bottom: 14px; font-size: 13.5px; line-height: 1.7; }
.hb-footer-contact svg { width: 16px; height: 16px; color: var(--yellow); flex: 0 0 auto; margin-top: 4px; }
.hb-footer-contact b { color: #fff; }
.hb-footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 12.5px; color: #7c93b6; flex-wrap: wrap; }
.hb-footer-bottom a { color: #7c93b6; }
.hb-footer-bottom a:hover { color: var(--yellow); }
.hb-footer-links-inline { display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------- Sidebar float ---------- */
.hb-float { position: fixed; right: 18px; bottom: 34px; z-index: 80; display: flex; flex-direction: column; gap: 8px; }
.hb-float.left { left: 18px; right: auto; }
.hb-float.left .hb-float-wechat .qr { right: auto; left: 62px; }
.hb-float a, .hb-float button { width: 52px; height: 52px; border-radius: 14px; background: #fff; border: 1px solid var(--line); color: var(--blue); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; box-shadow: 0 8px 24px rgba(10,35,90,.12); transition: all .2s ease; }
.hb-float a:hover, .hb-float button:hover { background: var(--blue); color: #fff; border-color: var(--blue); transform: translateY(-2px); }
.hb-float svg { width: 19px; height: 19px; }
.hb-float small { font-size: 10px; line-height: 1; }
.hb-float .hb-float-top { background: var(--blue); color: #fff; border-color: var(--blue); opacity: 0; visibility: hidden; transform: translateY(10px); }
.hb-float .hb-float-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.hb-float .hb-float-top:hover { background: var(--blue-2); }
.hb-float-wechat { position: relative; }
.hb-float-wechat .qr { position: absolute; right: 62px; bottom: 0; width: 140px; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 10px; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transition: all .2s ease; }
.hb-float-wechat:hover .qr { opacity: 1; visibility: visible; }
.hb-float-wechat .qr img { width: 100%; border-radius: 4px; }
.hb-float-wechat .qr span { display: block; font-size: 11px; color: var(--muted); text-align: center; margin-top: 4px; }

/* ---------- Message modal ---------- */
.hb-modal { position: fixed; inset: 0; z-index: 300; background: rgba(4,18,45,.7); backdrop-filter: blur(6px); display: flex; align-items: center; justify-content: center; padding: 20px; opacity: 0; visibility: hidden; transition: all .22s ease; }
.hb-modal.open { opacity: 1; visibility: visible; }
.hb-modal-card { width: 100%; max-width: 520px; max-height: 90vh; overflow: auto; background: #fff; border-radius: 20px; padding: 30px; position: relative; box-shadow: var(--shadow-lg); transform: translateY(14px); transition: transform .25s ease; }
.hb-modal.open .hb-modal-card { transform: translateY(0); }
.hb-modal-close { position: absolute; top: 14px; right: 14px; width: 34px; height: 34px; border-radius: 50%; border: 0; background: #f2f5fa; color: var(--muted); font-size: 20px; line-height: 1; }
.hb-modal-close:hover { background: #e6ecf7; color: var(--ink); }
.hb-modal-card h3 { font-size: 23px; margin-bottom: 8px; }
.hb-modal-card > p { color: var(--muted); font-size: 14px; margin-bottom: 22px; }
.hb-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hb-field { margin-bottom: 14px; }
.hb-field label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.hb-field label .req { color: var(--danger); }
.hb-input, .hb-textarea, .hb-select { width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; background: #f8fafd; color: var(--ink); outline: none; font-size: 14px; transition: all .18s ease; }
.hb-input:focus, .hb-textarea:focus, .hb-select:focus { border-color: var(--blue-3); background: #fff; box-shadow: 0 0 0 3px rgba(22,87,200,.1); }
.hb-textarea { min-height: 110px; resize: vertical; }
.hb-field-tip { font-size: 12px; color: var(--muted-2); margin-top: 5px; }
.hb-honeypot { position: absolute !important; left: -9999px !important; opacity: 0; height: 0; overflow: hidden; }
.hb-form-msg { font-size: 13px; margin-top: 10px; display: none; }
.hb-form-msg.error { display: block; color: var(--danger); }
.hb-form-msg.success { display: block; color: var(--ok); }
.hb-consent { display: flex; gap: 8px; align-items: flex-start; font-size: 12px; color: var(--muted); margin: 4px 0 16px; }
.hb-consent input { margin-top: 4px; }

/* ---------- Page hero / breadcrumbs ---------- */
.hb-page-hero { position: relative; background: linear-gradient(120deg, var(--navy), var(--blue) 60%, var(--blue-2)); color: #fff; padding: 62px 0 58px; overflow: hidden; }
.hb-page-hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 48px 48px; }
.hb-page-hero::after { content: ""; position: absolute; right: -60px; top: -120px; width: 360px; height: 360px; border-radius: 50%; border: 48px solid rgba(255,196,0,.1); }
.hb-page-hero .container { position: relative; z-index: 2; }
.hb-page-hero h1 { color: #fff; font-size: 38px; margin-bottom: 12px; letter-spacing: -0.3px; }
.hb-page-hero p { color: #c3d6f3; max-width: 760px; margin: 0; font-size: 15px; }
.hb-crumbs { font-size: 13px; color: #b7ccec; margin-bottom: 14px; }
.hb-crumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.hb-crumbs li { display: inline-flex; align-items: center; gap: 8px; }
.hb-crumbs li + li::before { content: "/"; color: rgba(255,255,255,.35); }
.hb-crumbs a { color: #b7ccec; }
.hb-crumbs a:hover { color: var(--yellow); }
.hb-crumbs span { color: #fff; }
.hb-crumbs.light { color: var(--muted); }
.hb-crumbs.light li + li::before { color: var(--muted-2); }
.hb-crumbs.light a { color: var(--muted); }
.hb-crumbs.light span { color: var(--ink); }

/* ---------- Inner page ---------- */
.hb-page { padding: 56px 0 84px; }
.hb-page-grid { display: grid; grid-template-columns: 270px 1fr; gap: 40px; align-items: start; }
.hb-side { display: flex; flex-direction: column; gap: 18px; position: sticky; top: calc(var(--header-h) + 20px); }
.hb-side-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.hb-side-title { padding: 16px 20px; background: var(--blue); color: #fff; font-size: 16px; font-weight: 700; }
.hb-side-menu a { display: flex; align-items: center; justify-content: space-between; padding: 13px 20px; border-bottom: 1px solid var(--line-2); font-size: 14px; color: var(--ink-2); }
.hb-side-menu a:last-child { border-bottom: 0; }
.hb-side-menu a:hover, .hb-side-menu a.active { background: #f3f7ff; color: var(--blue); font-weight: 700; }
.hb-side-menu a::after { content: "→"; color: var(--muted-2); font-size: 13px; }
.hb-side-contact { background: linear-gradient(150deg, var(--blue), var(--navy)); color: #fff; border-radius: 14px; padding: 22px; }
.hb-side-contact h4 { color: #fff; font-size: 16px; margin-bottom: 8px; }
.hb-side-contact p { color: #b9cdec; font-size: 13px; margin-bottom: 16px; }
.hb-side-contact .tel { display: block; font-size: 22px; font-weight: 800; color: var(--yellow); letter-spacing: .5px; margin-bottom: 4px; }
.hb-side-contact small { color: #9db6dc; font-size: 12px; }

.hb-content-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 34px; }
.hb-toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 26px; }
.hb-filter { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-size: 13.5px; color: var(--ink-2); }
.hb-filter:hover { border-color: var(--blue-3); color: var(--blue); }
.hb-filter.active { background: var(--blue); border-color: var(--blue); color: #fff; }
.hb-result-count { margin-left: auto; font-size: 13px; color: var(--muted-2); }

/* ---------- Product detail ---------- */
.hb-product-top { display: grid; grid-template-columns: 1.02fr .98fr; gap: 40px; margin-bottom: 34px; }
.hb-gallery { background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.hb-gallery-main { aspect-ratio: 4 / 3; background: linear-gradient(145deg, #eef4ff, #dbe7fb); position: relative; }
.hb-gallery-main img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.hb-gallery-ph { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; position: relative; }
.hb-gallery-ph::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(11,61,145,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(11,61,145,.06) 1px, transparent 1px); background-size: 30px 30px; }
.hb-gallery-ph b { position: relative; font-size: 24px; color: var(--blue); text-align: center; padding: 0 30px; }
.hb-gallery-thumbs { display: flex; gap: 10px; padding: 12px; overflow-x: auto; }
.hb-gallery-thumbs button { flex: 0 0 76px; width: 76px; height: 60px; border: 2px solid transparent; border-radius: 8px; overflow: hidden; background: #f2f6fd; padding: 0; }
.hb-gallery-thumbs button.active { border-color: var(--blue); }
.hb-gallery-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.hb-product-info h1 { font-size: 30px; line-height: 1.35; margin-bottom: 10px; }
.hb-product-sub { color: var(--muted); font-size: 15px; margin-bottom: 18px; }
.hb-product-summary { color: var(--ink-2); font-size: 14.5px; line-height: 1.9; padding: 18px 0; border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); margin-bottom: 18px; }
.hb-param-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; margin-bottom: 22px; }
.hb-param-list li { display: flex; justify-content: space-between; gap: 12px; font-size: 13.5px; padding: 8px 12px; background: #f7f9fd; border-radius: 8px; }
.hb-param-list span { color: var(--muted); }
.hb-param-list b { color: var(--ink); font-weight: 600; }
.hb-product-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hb-product-facts { display: flex; gap: 26px; margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--line); }
.hb-product-facts div { font-size: 12.5px; color: var(--muted); }
.hb-product-facts b { display: block; font-size: 18px; color: var(--blue); }
.hb-tabs { background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; margin-bottom: 30px; }
.hb-tabs-head { display: flex; gap: 4px; padding: 0 24px; border-bottom: 1px solid var(--line); background: #fbfcff; overflow-x: auto; }
.hb-tabs-head button { padding: 16px 18px; border: 0; background: none; font-size: 15px; font-weight: 700; color: var(--muted); position: relative; white-space: nowrap; }
.hb-tabs-head button.active { color: var(--blue); }
.hb-tabs-head button.active::after { content: ""; position: absolute; left: 18px; right: 18px; bottom: -1px; height: 3px; background: var(--yellow); border-radius: 3px; }
.hb-tabs-panel { display: none; padding: 30px 34px; }
.hb-tabs-panel.active { display: block; }
.hb-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.hb-tags a { font-size: 12.5px; padding: 5px 12px; border-radius: 999px; background: #eef4ff; color: var(--blue); }
.hb-tags a:hover { background: var(--yellow-soft); color: #8a5b00; }

/* ---------- Prose ---------- */
.prose { color: var(--ink-2); font-size: 15.5px; line-height: 1.95; word-break: break-word; }
.prose > *:first-child { margin-top: 0; }
.prose h2 { font-size: 23px; margin: 34px 0 14px; padding-left: 14px; border-left: 4px solid var(--yellow); }
.prose h3 { font-size: 19px; margin: 28px 0 12px; }
.prose h4 { font-size: 16.5px; margin: 22px 0 10px; }
.prose p { margin: 0 0 1.1em; }
.prose ul, .prose ol { margin: 0 0 1.2em; padding-left: 1.5em; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: .45em; }
.prose a { color: var(--blue-2); text-decoration: underline; text-underline-offset: 3px; }
.prose img { border-radius: 12px; margin: 18px auto; }
.prose blockquote { margin: 22px 0; padding: 16px 22px; background: #f5f8fe; border-left: 4px solid var(--blue-3); border-radius: 0 10px 10px 0; color: var(--ink-2); }
.prose table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; }
.prose th, .prose td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; }
.prose th { background: #f3f7ff; color: var(--ink); }
.prose tr:nth-child(even) td { background: #fafcff; }
.prose code { background: #f2f5fa; padding: 2px 6px; border-radius: 4px; font-size: .92em; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 28px 0; }

/* Article layout */
.hb-article-head { margin-bottom: 26px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.hb-article-head h1 { font-size: 32px; line-height: 1.42; margin-bottom: 14px; }
.hb-article-meta { display: flex; flex-wrap: wrap; gap: 18px; font-size: 13px; color: var(--muted-2); }
.hb-article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.hb-article-meta svg { width: 14px; height: 14px; }
.hb-article-cover { border-radius: 14px; overflow: hidden; margin: 24px 0 28px; background: #eef3fb; }
.hb-article-cover img { width: 100%; max-height: 460px; object-fit: cover; }
.hb-article-foot { margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line); }
.hb-prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 22px; }
.hb-prevnext a { display: block; padding: 16px 18px; background: #f7f9fd; border-radius: 12px; font-size: 13.5px; border: 1px solid transparent; }
.hb-prevnext a:hover { border-color: #cfdcf3; background: #fff; }
.hb-prevnext span { display: block; font-size: 11.5px; color: var(--muted-2); margin-bottom: 4px; }
.hb-prevnext .next { text-align: right; }

/* FAQ detail */
.hb-faq-detail { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 34px; margin-bottom: 24px; }
.hb-faq-detail h1 { font-size: 28px; line-height: 1.5; margin-bottom: 18px; }
.hb-qa { display: flex; gap: 14px; padding: 20px 0; border-top: 1px solid var(--line-2); }
.hb-qa:first-of-type { border-top: 0; }
.hb-qa-badge { flex: 0 0 36px; width: 36px; height: 36px; border-radius: 10px; background: var(--blue); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; font-size: 15px; }
.hb-qa-q { font-weight: 700; font-size: 16px; margin-bottom: 6px; color: var(--ink); }
.hb-qa-a { color: var(--ink-2); font-size: 15px; line-height: 1.9; }

/* Pagination */
.hb-pager { margin-top: 34px; }
.hb-pager ul { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; }
.hb-pager a, .hb-pager span { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; padding: 0 14px; border-radius: 10px; border: 1px solid var(--line); background: #fff; font-size: 13.5px; color: var(--ink-2); }
.hb-pager a:hover { border-color: var(--blue-3); color: var(--blue); }
.hb-pager .active span { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 700; }
.hb-pager .disabled span { color: var(--muted-2); background: #f7f9fd; }
.hb-pager .dots span { border: 0; background: none; }

/* Empty */
.hb-empty { text-align: center; padding: 60px 20px; color: var(--muted); }
.hb-empty svg { width: 54px; height: 54px; color: #c3d2e8; margin-bottom: 14px; }
.hb-empty b { display: block; color: var(--ink); font-size: 17px; margin-bottom: 6px; }

/* ---------- Sitemap ---------- */
.hb-sitemap { display: grid; gap: 22px; }
.hb-sitemap-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 24px 26px; }
.hb-sitemap-card h2 { font-size: 19px; margin-bottom: 14px; padding-left: 12px; border-left: 4px solid var(--yellow); }
.hb-sitemap-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.hb-sitemap-links a { font-size: 13.5px; color: var(--ink-2); }
.hb-sitemap-links a:hover { color: var(--blue-2); }

/* ---------- Search page ---------- */
.hb-search-page { max-width: 900px; margin: 0 auto; }
.hb-search-big { display: flex; gap: 10px; margin-bottom: 28px; }
.hb-search-big input { flex: 1; height: 56px; border: 1px solid var(--line); border-radius: 12px; padding: 0 18px; font-size: 16px; outline: none; background: #fff; }
.hb-search-big input:focus { border-color: var(--blue-3); box-shadow: 0 0 0 3px rgba(22,87,200,.1); }
.hb-search-group { margin-bottom: 26px; }
.hb-search-group h2 { font-size: 18px; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.hb-search-group h2 span { font-size: 12px; color: var(--muted-2); font-weight: 500; }
.hb-search-item { display: block; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; margin-bottom: 10px; }
.hb-search-item:hover { border-color: #cfdcf3; box-shadow: var(--shadow); }
.hb-search-item b { display: block; font-size: 15.5px; margin-bottom: 4px; }
.hb-search-item p { font-size: 13.5px; color: var(--muted); margin: 0; }
.hb-search-item .type { font-size: 11.5px; color: var(--blue); background: #eef4ff; padding: 2px 8px; border-radius: 999px; margin-right: 6px; }

/* ---------- Contact page ---------- */
.hb-contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; }
.hb-contact-list { display: grid; gap: 14px; }
.hb-contact-item { display: flex; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px; }
.hb-contact-item .ico { width: 44px; height: 44px; border-radius: 12px; background: #eef4ff; color: var(--blue); display: flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.hb-contact-item .ico svg { width: 20px; height: 20px; }
.hb-contact-item b { display: block; font-size: 14px; margin-bottom: 3px; }
.hb-contact-item span, .hb-contact-item a { font-size: 14px; color: var(--muted); }
.hb-contact-item a:hover { color: var(--blue); }
.hb-form-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 30px; }
.hb-form-card h3 { font-size: 21px; margin-bottom: 6px; }
.hb-form-card > p { color: var(--muted); font-size: 13.5px; margin-bottom: 20px; }

/* ---------- Error ---------- */
.hb-error { padding: 100px 0 120px; text-align: center; }
.hb-error .code { font-size: 120px; font-weight: 900; line-height: 1; background: linear-gradient(120deg, var(--blue), var(--blue-3)); -webkit-background-clip: text; background-clip: text; color: transparent; letter-spacing: -4px; }
.hb-error h1 { font-size: 26px; margin: 10px 0 12px; }
.hb-error p { color: var(--muted); margin-bottom: 26px; }
.hb-error-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---------- Animations ---------- */
.hb-reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
.hb-reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .hb-reveal { opacity: 1; transform: none; transition: none; }
    .hb-hero-ring { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
    .hb-nav > ul > li > a { padding: 0 12px; font-size: 14px; }
    .hb-hero h1 { font-size: 42px; }
    .hb-hero-inner { gap: 30px; }
    .hb-footer-top { grid-template-columns: 1.4fr 1fr 1fr; }
    .hb-footer-about { grid-column: 1 / -1; }
}
@media (max-width: 1024px) {
    .hb-hero-inner { grid-template-columns: 1fr; padding: 64px 0 74px; }
    .hb-hero-visual { display: none; }
    .hb-faq-wrap { grid-template-columns: 1fr; gap: 30px; }
    .hb-faq-aside { position: static; }
    .hb-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .hb-cat-grid { grid-template-columns: repeat(2, 1fr); }
    .hb-solutions, .hb-news-grid, .hb-case-grid { grid-template-columns: repeat(2, 1fr); }
    .hb-page-grid { grid-template-columns: 1fr; }
    .hb-side { position: static; flex-direction: row; flex-wrap: wrap; }
    .hb-side-card { flex: 1 1 260px; }
    .hb-side-contact { flex: 1 1 260px; }
    .hb-product-top { grid-template-columns: 1fr; }
    .hb-trust .container { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
    .hb-topbar-left .hide-sm { display: none; }
    .hb-nav { position: fixed; top: calc(var(--header-h) + 38px); left: 0; right: 0; bottom: 0; background: #fff; padding: 18px; overflow-y: auto; display: none; z-index: 89; border-top: 1px solid var(--line); }
    .hb-nav.open { display: block; }
    .hb-nav > ul { flex-direction: column; align-items: stretch; gap: 0; }
    .hb-nav > ul > li > a { height: auto; padding: 15px 12px; border-bottom: 1px solid var(--line-2); font-size: 16px; }
    .hb-nav > ul > li > a::after { display: none; }
    .hb-dropdown { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: 0; border-radius: 0; padding: 0 0 8px 18px; min-width: 0; display: none; }
    .hb-nav li:hover > .hb-dropdown { transform: none; }
    .hb-nav li.open > .hb-dropdown { display: block; }
    .hb-menu-toggle { display: inline-flex; }
    .hb-header-actions .btn { display: none; }
    .hb-hero h1 { font-size: 34px; }
    .hb-section { padding: 60px 0; }
    .hb-section-title { font-size: 28px; }
    .hb-section-head { flex-direction: column; align-items: flex-start; gap: 14px; }
    .hb-stats-band { grid-template-columns: repeat(2, 1fr); padding: 30px; }
    .hb-cta { flex-direction: column; align-items: flex-start; padding: 38px 30px; }
    .hb-cta h2 { font-size: 25px; }
    .hb-contact-grid { grid-template-columns: 1fr; }
    .hb-download-list { grid-template-columns: 1fr; }
    .hb-param-list { grid-template-columns: 1fr; }
    .hb-float { right: 10px; bottom: 18px; }
    .hb-float.left { left: 10px; right: auto; }
    .hb-float.left .hb-float-wechat .qr { left: 56px; }
    .hb-float a, .hb-float button { width: 46px; height: 46px; }
}
@media (max-width: 620px) {
    .container { padding: 0 16px; }
    .hb-topbar-left { gap: 12px; }
    .hb-topbar-right { display: none; }
    .hb-hero h1 { font-size: 29px; }
    .hb-hero-sub { font-size: 15px; }
    .hb-hero-stats { gap: 20px; }
    .hb-hero-stat b { font-size: 24px; }
    .hb-grid-3, .hb-grid-4, .hb-grid-2, .hb-cat-grid, .hb-solutions, .hb-news-grid, .hb-case-grid { grid-template-columns: 1fr; }
    .hb-trust .container { grid-template-columns: 1fr; }
    .hb-section-title { font-size: 25px; }
    .hb-stats-band { grid-template-columns: 1fr 1fr; gap: 18px; }
    .hb-stat-item b { font-size: 28px; }
    .hb-footer-top { grid-template-columns: 1fr; gap: 30px; padding: 44px 0 34px; }
    .hb-footer-bottom { flex-direction: column; align-items: flex-start; }
    .hb-content-card, .hb-faq-detail, .hb-form-card { padding: 22px; }
    .hb-article-head h1, .hb-faq-detail h1 { font-size: 24px; }
    .hb-tabs-panel { padding: 22px; }
    .hb-prevnext { grid-template-columns: 1fr; }
    .hb-form-row { grid-template-columns: 1fr; }
    .hb-modal-card { padding: 24px; }
    .hb-product-info h1 { font-size: 24px; }
    .hb-page-hero h1 { font-size: 28px; }
    .hb-page-hero { padding: 44px 0 40px; }
    .hb-search-big { flex-direction: column; }
}