/* ============================================================
   珩宇网络科技 · 浅色磨砂玻璃（全站统一皮肤）
   由 index.php 内联样式抽出，供 inc/site-header.php 统一引用
   修改这里 = 全站同步生效
   ============================================================ */

/* ============================================================
   珩宇网络科技 · 浅色磨砂玻璃（全站统一）
   ============================================================ */
:root {
    /* 兼容旧变量名（HTML 内联样式仍在使用） */
    --primary: #3355FF;
    --primary-dark: #2440D8;
    --gradient-1: linear-gradient(135deg, #3355FF 0%, #6E5BFF 100%);
    --gradient-2: linear-gradient(135deg, #EEF3FF 0%, #F3EEFF 100%);
    --text-dark: #16233F;
    --text-muted: #66768F;
    --card-bg: rgba(255,255,255,.72);
    --border-light: rgba(120,155,215,.22);

    /* 设计变量 */
    --a1: #3355FF;
    --a2: #6E5BFF;
    --a3: #22C3E6;
    --grad: linear-gradient(96deg, var(--a1) 0%, var(--a2) 52%, var(--a3) 100%);
    --ink: #16233F;
    --ink-2: #4B5C7E;
    --ink-3: #7C8AA6;
    --brand: var(--a1);
    --line: rgba(120,155,215,.20);
    --glass: linear-gradient(158deg, rgba(255,255,255,.82) 0%, rgba(255,255,255,.56) 54%, rgba(255,255,255,.70) 100%);
    --glass-soft: linear-gradient(158deg, rgba(255,255,255,.66) 0%, rgba(255,255,255,.40) 100%);
    --shadow: 0 0 0 1px rgba(120,155,215,.10), 0 18px 40px -20px rgba(38,64,140,.26), inset 0 1px 0 rgba(255,255,255,.92);
    --shadow-hi: 0 0 0 1px rgba(120,155,215,.18), 0 26px 54px -20px rgba(38,64,140,.34), inset 0 1px 0 rgba(255,255,255,1);
}
/* 首屏配色切换（右侧切换器，存 localStorage） */
body.t-red   { --a1:#F0503C; --a2:#E23B6D; --a3:#FF8A5B;
               --primary:#F0503C; --primary-dark:#C93A28;
               --grad:linear-gradient(96deg,#F0503C 0%,#E23B6D 52%,#FF8A5B 100%);
               --gradient-1:linear-gradient(135deg,#F0503C 0%,#E23B6D 100%);
               --brand:#F0503C; }
body.t-teal  { --a1:#0E8AA8; --a2:#12B5A0; --a3:#3ED0C8;
               --primary:#0E8AA8; --primary-dark:#0A6E86;
               --grad:linear-gradient(96deg,#0E8AA8 0%,#12B5A0 52%,#3ED0C8 100%);
               --gradient-1:linear-gradient(135deg,#0E8AA8 0%,#12B5A0 100%);
               --brand:#0E8AA8; }
body.t-green { --a1:#1E9E6A; --a2:#38C172; --a3:#7ADBA6;
               --primary:#1E9E6A; --primary-dark:#157A50;
               --grad:linear-gradient(96deg,#1E9E6A 0%,#38C172 52%,#7ADBA6 100%);
               --gradient-1:linear-gradient(135deg,#1E9E6A 0%,#38C172 100%);
               --brand:#1E9E6A; }
body.t-purple{ --a1:#6D4BFF; --a2:#A855F7; --a3:#C86BEE;
               --primary:#6D4BFF; --primary-dark:#5538CC;
               --grad:linear-gradient(96deg,#6D4BFF 0%,#A855F7 52%,#C86BEE 100%);
               --gradient-1:linear-gradient(135deg,#6D4BFF 0%,#A855F7 100%);
               --brand:#6D4BFF; }

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--ink);
    background: #F1F5FC;
    line-height: 1.62;
    position: relative;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }
::selection { background: rgba(51,85,255,.16); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: rgba(120,155,215,.34); border-radius: 10px; border: 3px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: rgba(120,155,215,.55); background-clip: content-box; }

/* ---------- 背景层：四光斑 + 网格 + 噪点 + 提亮 ---------- */
.bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.bg .orb { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .55; }
.bg .orb.a { width: 620px; height: 620px; left: -160px; top: -180px;
    background: radial-gradient(circle at 40% 40%, rgba(51,85,255,.34), transparent 68%); }
.bg .orb.b { width: 700px; height: 700px; right: -200px; top: -120px;
    background: radial-gradient(circle at 50% 50%, rgba(110,91,255,.30), transparent 68%); }
.bg .orb.c { width: 560px; height: 560px; left: 32%; top: 42%;
    background: radial-gradient(circle at 50% 50%, rgba(34,195,230,.22), transparent 68%); }
.bg .orb.d { width: 640px; height: 640px; right: -120px; bottom: -220px;
    background: radial-gradient(circle at 50% 50%, rgba(255,160,210,.20), transparent 70%); }
.bg .grid-bg { position: absolute; inset: 0;
    background-image: linear-gradient(rgba(120,155,215,.16) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(120,155,215,.16) 1px, transparent 1px);
    background-size: 64px 64px;
    -webkit-mask-image: radial-gradient(circle at 50% 26%, #000 12%, transparent 76%);
    mask-image: radial-gradient(circle at 50% 26%, #000 12%, transparent 76%);
    opacity: .55; }
.bg .vignette { position: absolute; inset: 0;
    background: radial-gradient(1000px 620px at 50% 0%, rgba(255,255,255,.86), transparent 62%),
                radial-gradient(900px 600px at 50% 100%, rgba(255,255,255,.6), transparent 70%); }
.bg .grain { position: absolute; inset: -50%; opacity: .34;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
    mix-blend-mode: soft-light; }

/* 让所有内容浮在背景层之上 */
.navbar, .hero, .carousel-section, .notice-section, .ads, .section, .footer { position: relative; z-index: 1; }

/* ---------- 导航 ---------- */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255,255,255,.66);
    -webkit-backdrop-filter: blur(24px) saturate(170%);
    backdrop-filter: blur(24px) saturate(170%);
    border-bottom: 1px solid rgba(255,255,255,.9);
    box-shadow: 0 1px 0 rgba(120,155,215,.12), 0 10px 30px -18px rgba(28,52,120,.24);
}
.nav-container {
    max-width: 1200px; margin: 0 auto; padding: 0 30px;
    display: flex; justify-content: space-between; align-items: center; height: 70px;
}
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.24rem; font-weight: 800;
    letter-spacing: -.01em;
    background: linear-gradient(90deg,#ff0080,#ff8c00,#ffee00,#00e676,#00b0ff,#d500f9,#ff0080);
    background-size: 400% 100%;
    animation: rainbowText 3s linear infinite;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
@keyframes rainbowText {0%{background-position:0% 0}100%{background-position:400% 0}}
.logo img { width: 38px; height: 38px; border-radius: 11px; -webkit-text-fill-color: initial;
    box-shadow: 0 0 0 1px rgba(255,255,255,.9), 0 8px 18px -8px rgba(28,52,120,.4); }
.nav-links { display: flex; gap: 24px; list-style: none; align-items: center; }
.nav-links > li { display: flex; align-items: center; height: 70px; }
.nav-links a {
    text-decoration: none; color: var(--ink-2); font-weight: 500;
    font-size: 14.5px; line-height: 1; display: inline-flex; align-items: center;
    transition: color .25s ease; position: relative;
}
.nav-links a:hover { color: var(--a1); }
.nav-links a::after { content: ''; position: absolute; bottom: -6px; left: 0; width: 0; height: 2px;
    border-radius: 2px; background: var(--grad); transition: width .25s ease; }
.nav-links a:hover::after { width: 100%; }

/* 下拉菜单（新交互：无箭头图标，悬停胶囊高亮 + 面板滑入淡入） */
.nav-item-dropdown { position: relative; }
.nav-item-dropdown > a { padding: 8px 13px; border-radius: 10px;
    transition: background .22s ease, color .22s ease; }
.nav-item-dropdown > a::after { display: none; }
.nav-item-dropdown:hover > a,
.nav-item-dropdown:focus-within > a { background: rgba(51,85,255,.075); color: var(--a1); }
.nav-item-dropdown .dropdown {
    display: block; position: absolute; top: calc(100% - 8px); left: 50%;
    transform: translateX(-50%) translateY(8px);
    opacity: 0; visibility: hidden; pointer-events: none;
    background: rgba(255,255,255,.92);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(255,255,255,.96);
    border-radius: 16px;
    box-shadow: 0 0 0 1px rgba(120,155,215,.13), 0 26px 50px -22px rgba(28,52,120,.36);
    padding: 11px 8px 8px; min-width: 176px; z-index: 9999; margin: 0; list-style: none;
    transition: opacity .2s ease, transform .26s cubic-bezier(.22,1,.36,1), visibility .2s;
}
/* 面板顶部渐变细线 */
.nav-item-dropdown .dropdown::before {
    content: ''; position: absolute; top: 4px; left: 14px; right: 14px; height: 2px;
    border-radius: 2px; background: var(--grad); opacity: .85;
}
/* 悬停桥接区，离开父项到面板之间不会闪断 */
.nav-item-dropdown .dropdown::after {
    content: ''; position: absolute; top: -14px; left: 0; right: 0; height: 14px; background: transparent;
}
.nav-item-dropdown:hover .dropdown,
.nav-item-dropdown:focus-within .dropdown {
    opacity: 1; visibility: visible; pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}
.nav-item-dropdown .dropdown li { display: block; }
.nav-item-dropdown .dropdown a {
    display: flex; align-items: center; gap: 9px; padding: 9px 13px; border-radius: 10px;
    white-space: nowrap; text-decoration: none; color: var(--ink-2); font-size: 13.5px;
    transition: background .2s, color .2s;
}
.nav-item-dropdown .dropdown a::before {
    content: ''; flex: none; width: 5px; height: 5px; border-radius: 50%;
    background: rgba(51,85,255,.26); transition: background .2s, transform .2s;
}
.nav-item-dropdown .dropdown a:hover { background: rgba(51,85,255,.08); color: var(--a1); }
.nav-item-dropdown .dropdown a:hover::before { background: var(--a1); transform: scale(1.4); }
.nav-item-dropdown .dropdown a::after { display: none !important; }
/* 桌面端不显示折叠按钮（旧版 svg 按钮曾漏在桌面显示，这个就是用户看到的丑图标） */
.hnav-caret { display: none; }
.mobile-menu-btn { display: none; background: rgba(255,255,255,.7); border: 1px solid rgba(255,255,255,.9);
    width: 40px; height: 40px; border-radius: 11px; font-size: 20px; color: var(--ink); cursor: pointer;
    box-shadow: 0 6px 16px -10px rgba(28,52,120,.4); }

/* 语言切换 */
.lang-switch { display: inline-flex; align-items: center; gap: 4px; margin-left: 6px; padding-left: 10px;
    border-left: 1px solid var(--line); }
.lang-switch a { padding: 3px 10px; border-radius: 14px; border: 1px solid rgba(120,155,215,.26);
    color: var(--ink-2); font-size: 12.5px; background: rgba(255,255,255,.55); }
.lang-switch a.active { background: var(--grad); color: #fff; border-color: transparent;
    box-shadow: 0 6px 14px -8px rgba(51,85,255,.7); }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 13px 30px; border-radius: 14px; font-size: 14.5px; font-weight: 700;
    border: 1px solid transparent; cursor: pointer; transition: transform .25s, box-shadow .25s, background .25s, color .25s;
    position: relative; overflow: hidden;
}
.btn-primary { background: var(--grad); color: #fff;
    box-shadow: 0 14px 30px -14px rgba(51,85,255,.75), inset 0 1px 0 rgba(255,255,255,.34); }
.btn-primary::after { content: ''; position: absolute; top: 0; left: -60%; width: 40%; height: 100%;
    background: linear-gradient(100deg, transparent, rgba(255,255,255,.45), transparent);
    transform: skewX(-18deg); transition: left .6s ease; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 38px -14px rgba(51,85,255,.8), inset 0 1px 0 rgba(255,255,255,.4); }
.btn-primary:hover::after { left: 120%; }
.btn-outline { background: rgba(255,255,255,.62); color: var(--ink); border-color: rgba(255,255,255,.95);
    box-shadow: 0 0 0 1px rgba(120,155,215,.16), 0 12px 26px -18px rgba(28,52,120,.4);
    -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); }
.btn-outline:hover { background: rgba(255,255,255,.9); color: var(--a1); transform: translateY(-2px);
    box-shadow: 0 0 0 1px rgba(51,85,255,.24), 0 16px 32px -18px rgba(28,52,120,.4); }
.btn-sm { padding: 9px 16px; font-size: 13px; white-space: nowrap; border-radius: 11px; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 138px 0 0; color: var(--ink); overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(760px 480px at 78% 6%, rgba(51,85,255,.10), transparent 64%),
                radial-gradient(620px 420px at 4% 92%, rgba(34,195,230,.12), transparent 68%); }
.hero-in { position: relative; z-index: 2; display: grid; grid-template-columns: 1.04fr .96fr;
    gap: 56px; align-items: center; padding-bottom: 64px; }
.hero-pill {
    display: inline-flex; align-items: center; gap: 9px; padding: 7px 15px; border-radius: 999px;
    font-size: 12.5px; font-weight: 600; color: var(--a1);
    background: rgba(255,255,255,.72); border: 1px solid rgba(255,255,255,.95);
    box-shadow: 0 0 0 1px rgba(120,155,215,.14), 0 10px 22px -14px rgba(28,52,120,.4);
    -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
    margin-bottom: 24px;
}
.hero-pill::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: #2BC26B;
    box-shadow: 0 0 0 4px rgba(43,194,107,.16); }
.hero h1 { font-size: 3rem; line-height: 1.16; letter-spacing: -.025em; font-weight: 800;
    color: var(--ink); margin-bottom: 18px; }
.hero h1 em { font-style: normal; background: var(--grad);
    -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-subtitle { font-size: 1.04rem; color: var(--ink-2); font-weight: 600; margin-bottom: 8px; }
.hero-desc { font-size: .98rem; color: var(--ink-3); max-width: 520px; margin: 0 0 30px; line-height: 1.8; }
.hero-buttons { display: flex; gap: 13px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-mini { display: flex; gap: 26px; flex-wrap: wrap; font-size: 13px; color: var(--ink-3); }
.hero-mini span { display: inline-flex; align-items: baseline; gap: 5px; }
.hero-mini b { color: var(--ink); font-weight: 800; font-size: 16px;
    background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* hero 右侧视觉（浏览器 + 手机） */
.hero-visual { position: relative; height: 428px; }
.browser {
    position: absolute; left: 0; top: 6px; width: 79%;
    border-radius: 18px; overflow: hidden;
    background: linear-gradient(160deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.78) 100%);
    border: 1px solid rgba(255,255,255,1);
    box-shadow: 0 0 0 1px rgba(120,155,215,.14), 0 30px 60px -26px rgba(28,52,120,.42), inset 0 1px 0 rgba(255,255,255,1);
    -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
}
.b-bar { display: flex; align-items: center; gap: 6px; padding: 11px 13px;
    border-bottom: 1px solid rgba(120,155,215,.14); background: rgba(255,255,255,.5); }
.b-bar i { width: 8px; height: 8px; border-radius: 50%; display: block; }
.b-bar i:nth-child(1) { background: #FF5F57; }
.b-bar i:nth-child(2) { background: #FEBC2E; }
.b-bar i:nth-child(3) { background: #28C840; }
.b-url { flex: 1; height: 16px; margin-left: 9px; border-radius: 8px;
    background: rgba(120,155,215,.13); border: 1px solid rgba(120,155,215,.1); }
.b-body { display: flex; height: 286px; }
.b-side { width: 66px; padding: 13px 11px; display: flex; flex-direction: column; gap: 8px;
    border-right: 1px solid rgba(120,155,215,.12); background: rgba(244,248,255,.62); }
.b-side s { display: block; height: 8px; border-radius: 4px; text-decoration: none;
    background: linear-gradient(90deg, rgba(120,155,215,.28), rgba(120,155,215,.10)); }
.b-side s:nth-child(1) { height: 24px; border-radius: 8px; background: var(--grad); }
.b-main { flex: 1; padding: 14px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.b-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.b-kpi { height: 58px; border-radius: 11px; padding: 10px; display: flex; flex-direction: column;
    justify-content: center; gap: 7px; background: rgba(255,255,255,.92);
    border: 1px solid rgba(120,155,215,.16); }
.b-kpi u { display: block; height: 6px; width: 62%; border-radius: 3px; text-decoration: none;
    background: rgba(120,155,215,.3); }
.b-kpi em { display: block; height: 12px; width: 46%; border-radius: 4px; background: var(--grad); }
.b-chart { flex: 1; display: flex; align-items: flex-end; gap: 7px; padding: 10px 8px 0;
    border-radius: 12px; background: linear-gradient(180deg, rgba(255,255,255,.55), rgba(238,244,255,.9));
    border: 1px solid rgba(120,155,215,.14); }
.b-chart b { flex: 1; border-radius: 6px 6px 0 0; height: 34%;
    background: linear-gradient(180deg, rgba(51,85,255,.82), rgba(34,195,230,.30)); }
.b-chart b:nth-child(2) { height: 56%; }
.b-chart b:nth-child(3) { height: 44%; }
.b-chart b:nth-child(4) { height: 70%; }
.b-chart b:nth-child(5) { height: 52%; }
.b-chart b:nth-child(6) { height: 82%; }
.b-chart b:nth-child(7) { height: 64%; }
.b-chart b:nth-child(8) { height: 92%; }

.phone {
    position: absolute; right: 4px; bottom: 0; width: 152px; height: 300px; padding: 9px;
    border-radius: 30px;
    background: linear-gradient(160deg, rgba(255,255,255,.98), rgba(242,246,255,.9));
    border: 1px solid #fff;
    box-shadow: 0 0 0 1px rgba(120,155,215,.16), 0 34px 60px -26px rgba(28,52,120,.46), inset 0 1px 0 #fff;
}
.phone-top { height: 15px; display: flex; align-items: center; justify-content: center; }
.phone-top i { width: 40px; height: 5px; border-radius: 3px; background: rgba(22,35,63,.16); display: block; }
.phone-body { height: calc(100% - 15px); border-radius: 22px; background: #fff; padding: 10px;
    display: flex; flex-direction: column; gap: 8px; overflow: hidden;
    border: 1px solid rgba(120,155,215,.14); }
.phone-hero { height: 68px; border-radius: 13px; background: var(--grad); flex-shrink: 0; }
.phone-line { height: 8px; border-radius: 4px; background: rgba(120,155,215,.24); flex-shrink: 0; }
.phone-line.w70 { width: 70%; }
.phone-line.w50 { width: 50%; }
.phone-card { height: 46px; border-radius: 11px; background: rgba(244,248,255,.92);
    border: 1px solid rgba(120,155,215,.16); flex-shrink: 0; }

.float-tag {
    position: absolute; display: inline-flex; align-items: center; gap: 8px;
    padding: 9px 14px 9px 10px; border-radius: 14px;
    font-size: 12.5px; font-weight: 600; color: var(--ink);
    background: rgba(255,255,255,.86); border: 1px solid rgba(255,255,255,1);
    box-shadow: 0 0 0 1px rgba(120,155,215,.14), 0 18px 34px -20px rgba(28,52,120,.44);
    -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
    white-space: nowrap;
}
.float-tag .tick { width: 20px; height: 20px; border-radius: 50%; display: inline-flex;
    align-items: center; justify-content: center; font-size: 11px; color: #fff;
    background: linear-gradient(135deg, #2BC26B, #16A34A);
    box-shadow: 0 6px 12px -6px rgba(22,163,74,.7); flex-shrink: 0; }
.float-tag > span:last-child { color: var(--ink-3); font-weight: 500; font-size: 11.5px; }
.tag-a { left: -6px; top: 46px; }
.tag-b { left: 34px; bottom: 6px; }

/* hero 底部数据条 */
.trust { position: relative; z-index: 2; margin-bottom: 0; }
.trust-in {
    display: grid; grid-template-columns: repeat(4, 1fr);
    border-radius: 20px 20px 0 0; overflow: hidden;
    background: linear-gradient(158deg, rgba(255,255,255,.84), rgba(255,255,255,.6));
    border: 1px solid rgba(255,255,255,.96); border-bottom: none;
    box-shadow: 0 0 0 1px rgba(120,155,215,.1), 0 -1px 0 rgba(255,255,255,.9) inset, 0 20px 40px -30px rgba(28,52,120,.3);
    -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
}
.trust-cell { padding: 22px 16px; text-align: center; position: relative; }
.trust-cell + .trust-cell::before { content: ''; position: absolute; left: 0; top: 26%; bottom: 26%;
    width: 1px; background: linear-gradient(180deg, transparent, rgba(120,155,215,.24), transparent); }
.trust-cell strong { display: block; font-size: 1.55rem; font-weight: 800; letter-spacing: -.02em;
    background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.trust-cell span { font-size: 12.5px; color: var(--ink-3); }

/* ---------- 轮播 ---------- */
.carousel-section { max-width: 1200px; margin: 0 auto; padding: 34px 30px 10px; }
.carousel-wrap { position: relative; border-radius: 22px; overflow: hidden;
    border: 1px solid rgba(255,255,255,.95);
    box-shadow: 0 0 0 1px rgba(120,155,215,.12), 0 26px 50px -28px rgba(28,52,120,.36), inset 0 1px 0 rgba(255,255,255,.9); }
.carousel-track { display: flex; transition: transform .6s cubic-bezier(.4,.1,.2,1); }
.carousel-slide { flex: 0 0 100%; position: relative; }
.carousel-slide img { width: 100%; height: 360px; object-fit: cover; display: block; }
.carousel-caption { position: absolute; left: 34px; bottom: 26px; color: #fff; max-width: 68%;
    text-shadow: 0 2px 14px rgba(6,14,50,.5); }
.carousel-caption h3 { font-size: 1.55rem; font-weight: 800; margin-bottom: 4px; letter-spacing: -.01em;
    background: linear-gradient(90deg,#ff0080,#ff8c00,#ffee00,#00e676,#00b0ff,#d500f9,#ff0080);
    background-size: 400% 100%; animation: rainbowText 3s linear infinite;
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.carousel-caption p { font-size: 13.5px; opacity: .92; }
.carousel-dots { position: absolute; right: 22px; bottom: 16px; display: flex; gap: 8px; }
.carousel-dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.55);
    cursor: pointer; border: none; transition: all .3s; padding: 0; }
.carousel-dot.active { background: #fff; width: 22px; border-radius: 6px; }
.carousel-arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
    width: 42px; height: 42px; border-radius: 50%; color: #fff; border: 1px solid rgba(255,255,255,.5);
    background: rgba(255,255,255,.22); font-size: 20px; cursor: pointer; line-height: 1;
    -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); transition: background .25s, transform .25s; }
.carousel-arrow:hover { background: rgba(255,255,255,.4); transform: translateY(-50%) scale(1.06); }
.carousel-arrow.prev { left: 14px; }
.carousel-arrow.next { right: 14px; }

/* ---------- 公告 ---------- */
.notice-section { max-width: 1200px; margin: 0 auto; padding: 8px 30px 24px; }
.notice-bar {
    display: flex; align-items: center; gap: 16px; padding: 8px 20px; overflow: hidden;
    border-radius: 16px;
    background: linear-gradient(158deg, rgba(255,255,255,.9), rgba(255,255,255,.62));
    border: 1px solid rgba(255,255,255,.96);
    box-shadow: 0 0 0 1px rgba(120,155,215,.12), 0 16px 32px -24px rgba(28,52,120,.34);
    -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
}
.notice-flag { flex-shrink: 0; display: inline-flex; align-items: center; gap: 5px;
    padding: 5px 13px; border-radius: 20px; font-size: 12px; font-weight: 700; color: #fff;
    background: linear-gradient(90deg,#ff0080,#ff8c00,#ffee00,#00e676,#00b0ff,#d500f9,#ff0080);
    background-size: 400% 100%; animation: rainbowText 3s linear infinite;
    box-shadow: 0 8px 18px -10px rgba(255,0,128,.8); }
.notice-list { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.notice-list a { font-size: 13.5px; color: var(--ink-2); white-space: nowrap; overflow: hidden;
    text-overflow: ellipsis; padding: 6px 0; transition: color .2s; }
.notice-list a:first-child { color: var(--ink); font-weight: 600; }
.notice-list a:hover { color: var(--a1); }
.notice-more { flex-shrink: 0; font-size: 12.5px; color: var(--ink-3); padding: 6px 12px;
    border-radius: 10px; background: rgba(255,255,255,.7); border: 1px solid rgba(120,155,215,.18); }
.notice-more:hover { color: var(--a1); border-color: rgba(51,85,255,.34); }

/* ---------- 广告位 ---------- */
.ads { padding: 6px 0 20px; }
.ads-grid { max-width: 1200px; margin: 0 auto; padding: 0 30px; display: grid;
    grid-template-columns: repeat(2, 1fr); gap: 16px; }
.ad-card {
    display: flex; align-items: center; gap: 16px; padding: 18px 22px; border-radius: 18px;
    background: var(--glass); border: 1px solid rgba(255,255,255,.95);
    box-shadow: var(--shadow);
    -webkit-backdrop-filter: blur(18px) saturate(160%); backdrop-filter: blur(18px) saturate(160%);
    transition: transform .28s, box-shadow .28s; text-decoration: none; position: relative; overflow: hidden;
}
.ad-card::before { content: ''; position: absolute; left: 12%; right: 12%; top: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,1), transparent); }
.ad-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hi); }
.ad-icon { width: 50px; height: 50px; border-radius: 14px; flex-shrink: 0; font-size: 24px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(150deg, rgba(51,85,255,.12), rgba(110,91,255,.08));
    border: 1px solid rgba(255,255,255,.9); }
.ad-body { flex: 1; min-width: 0; }
.ad-title { font-size: 1.02rem; font-weight: 700; color: var(--ink); margin-bottom: 3px; }
.ad-desc { font-size: 13px; color: var(--ink-3); overflow: hidden; text-overflow: ellipsis;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.ad-arrow { flex-shrink: 0; color: var(--a1); font-weight: 700; font-size: 18px; transition: transform .25s; }
.ad-card:hover .ad-arrow { transform: translateX(4px); }

/* ---------- 通用 section ---------- */
.section { padding: 74px 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 30px; }
.section-header { text-align: center; margin-bottom: 42px; }
.section-badge {
    display: inline-flex; align-items: center; gap: 6px; padding: 6px 15px; border-radius: 20px;
    font-size: 12.5px; font-weight: 700; letter-spacing: .04em; color: var(--a1);
    background: rgba(255,255,255,.78); border: 1px solid rgba(255,255,255,.98);
    box-shadow: 0 0 0 1px rgba(120,155,215,.14), 0 10px 22px -16px rgba(28,52,120,.4);
    -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
    margin-bottom: 14px;
}
.section-badge::before { content: ''; width: 5px; height: 5px; border-radius: 50%;
    background: var(--grad); }
.section-title { font-size: 2.05rem; font-weight: 800; letter-spacing: -.025em;
    color: var(--ink); margin-bottom: 8px; }
.section-subtitle { color: var(--ink-3); font-size: .98rem; max-width: 640px; margin: 0 auto; }

/* ---------- 服务 ---------- */
.services { background: rgba(255,255,255,.30); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card {
    position: relative; padding: 32px 28px 28px; border-radius: 22px;
    background: var(--glass); border: 1px solid rgba(255,255,255,.96);
    box-shadow: var(--shadow);
    -webkit-backdrop-filter: blur(20px) saturate(160%); backdrop-filter: blur(20px) saturate(160%);
    transition: transform .3s, box-shadow .3s;
}
.service-card::before { content: ''; position: absolute; left: 12%; right: 12%; top: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,1), transparent); }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hi); }
.service-icon { width: 58px; height: 58px; border-radius: 17px; display: flex; align-items: center;
    justify-content: center; font-size: 26px; margin-bottom: 18px;
    border: 1px solid rgba(255,255,255,.95);
    box-shadow: 0 12px 26px -18px rgba(28,52,120,.5), inset 0 1px 0 rgba(255,255,255,.9); }
.service-icon.web { background: linear-gradient(150deg, rgba(51,85,255,.16), rgba(34,195,230,.12)); }
.service-icon.game { background: linear-gradient(150deg, rgba(255,150,80,.20), rgba(255,110,60,.12)); }
.service-icon.support { background: linear-gradient(150deg, rgba(110,91,255,.16), rgba(200,107,238,.12)); }
.service-card h3 { font-size: 1.22rem; font-weight: 800; margin-bottom: 8px; letter-spacing: -.01em; }
.service-card > p { color: var(--ink-3); font-size: 13.5px; margin-bottom: 16px; line-height: 1.75; }
.service-features { list-style: none; margin-bottom: 20px; }
.service-features li { padding: 5px 0 5px 24px; position: relative; color: var(--ink-2); font-size: 13.5px; }
.service-features li::before { content: '✓'; position: absolute; left: 0; top: 5px; width: 16px; height: 16px;
    font-size: 10px; font-weight: 700; color: #fff; border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--a1), var(--a3));
    box-shadow: 0 4px 10px -5px rgba(51,85,255,.8); }
.service-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: 13.5px;
    color: var(--a1); padding: 9px 16px; border-radius: 12px;
    background: rgba(51,85,255,.07); border: 1px solid rgba(51,85,255,.14);
    transition: background .25s, transform .25s; }
.service-link:hover { background: rgba(51,85,255,.12); transform: translateX(3px); }
.game-enter { color: #E2622C; background: rgba(255,140,80,.10); border-color: rgba(255,140,80,.2); }
.game-enter:hover { background: rgba(255,140,80,.18); }

/* ---------- 案例 / 作品 ---------- */
.portfolio-tabs { display: flex; flex-wrap: wrap; gap: 9px; justify-content: center; margin: 0 0 30px; }
.portfolio-tab {
    padding: 8px 19px; border-radius: 24px; font-size: 13.5px; font-weight: 600; cursor: pointer;
    color: var(--ink-2); background: rgba(255,255,255,.72);
    border: 1px solid rgba(255,255,255,.96);
    box-shadow: 0 0 0 1px rgba(120,155,215,.12), 0 10px 22px -18px rgba(28,52,120,.4);
    -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
    transition: all .25s ease;
}
.portfolio-tab:hover { color: var(--a1); box-shadow: 0 0 0 1px rgba(51,85,255,.3), 0 12px 24px -18px rgba(28,52,120,.4); }
.portfolio-tab.active { color: #fff; background: var(--grad); border-color: transparent;
    box-shadow: 0 12px 26px -14px rgba(51,85,255,.8); }
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.portfolio-card {
    position: relative; display: block; overflow: hidden; border-radius: 20px;
    background: var(--glass); border: 1px solid rgba(255,255,255,.96);
    box-shadow: var(--shadow);
    -webkit-backdrop-filter: blur(18px) saturate(160%); backdrop-filter: blur(18px) saturate(160%);
    transition: transform .28s, box-shadow .28s; cursor: pointer;
}
.portfolio-card::before { content: ''; position: absolute; left: 12%; right: 12%; top: 0; height: 1px; z-index: 3;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,1), transparent); }
.portfolio-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hi); }
.portfolio-thumb { position: relative; height: 184px; overflow: hidden;
    background: linear-gradient(150deg, rgba(238,243,255,.9), rgba(246,249,255,.9)); }
.portfolio-thumb img { width: 100%; height: 100%; object-fit: cover; display: block;
    transition: transform .45s ease; }
.portfolio-card:hover .portfolio-thumb img { transform: scale(1.05); }
.portfolio-thumb.no-img::after { content: "🌐"; font-size: 2.6rem; position: absolute; top: 50%; left: 50%;
    transform: translate(-50%,-50%); opacity: .4; }
.portfolio-badge { position: absolute; top: 11px; left: 11px; z-index: 2; padding: 4px 11px;
    border-radius: 20px; font-size: 11.5px; font-weight: 700; color: #fff; letter-spacing: .05em; }
.portfolio-badge.new { background: linear-gradient(135deg, #FF5E3A, #FF2D55);
    box-shadow: 0 8px 16px -8px rgba(255,45,85,.8); }
.portfolio-badge.cat { top: auto; bottom: 11px; left: 11px;
    background: linear-gradient(90deg,#ff0080,#ff8c00,#ffee00,#00e676,#00b0ff,#d500f9,#ff0080);
    background-size: 400% 100%;
    animation: rainbowText 3s linear infinite;
    box-shadow: 0 4px 12px -4px rgba(255,0,128,.5);
    font-weight: 700; }
.portfolio-info { padding: 18px 20px 20px; }
.portfolio-tag { display: inline-block; padding: 3px 11px; border-radius: 20px; margin-bottom: 9px;
    font-size: 11.5px; font-weight: 600; color: var(--a1);
    background: rgba(51,85,255,.08); border: 1px solid rgba(51,85,255,.12); }
.portfolio-info h3 { font-size: 1.08rem; font-weight: 800; color: var(--ink); margin-bottom: 5px; }
.portfolio-info p, .portfolio-desc { font-size: 13px; color: var(--ink-3); line-height: 1.7; }
.portfolio-desc { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.portfolio-price { margin-top: 8px; font-size: 15px; font-weight: 800; color: #E2542C; }
.portfolio-price .free { color: var(--ink-3); font-weight: 600; font-size: 13px; }
.portfolio-actions { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.portfolio-btn { display: inline-flex; align-items: center; padding: 7px 15px; border-radius: 11px;
    font-size: 12.5px; font-weight: 700; transition: all .25s; }
.portfolio-btn.detail { color: var(--a1); background: rgba(51,85,255,.08);
    border: 1px solid rgba(51,85,255,.14); }
.portfolio-btn.detail:hover { background: rgba(51,85,255,.14); }
.portfolio-btn.buy { color: #fff; background: var(--grad); box-shadow: 0 10px 20px -12px rgba(51,85,255,.8); }
.portfolio-btn.buy:hover { transform: translateY(-1px); }

/* 作品区末尾「同款定制」补位卡：自动占满最后一行剩下的格子，避免留空 */
.portfolio-custom {
    display: flex; align-items: center; justify-content: center; text-align: center;
    padding: 28px 22px; border-radius: 20px; cursor: default;
    border: 1px dashed rgba(51,85,255,.34);
    background:
        radial-gradient(120% 90% at 50% 0%, rgba(51,85,255,.10), transparent 62%),
        rgba(255,255,255,.6);
    -webkit-backdrop-filter: blur(14px) saturate(150%); backdrop-filter: blur(14px) saturate(150%);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.9);
    transition: transform .28s, box-shadow .28s, border-color .28s;
}
.portfolio-custom[hidden] { display: none; }
.portfolio-custom::before { display: none; }
.portfolio-custom:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -26px rgba(28,52,120,.6); border-color: rgba(51,85,255,.5); }
.portfolio-custom .pc-ico {
    width: 54px; height: 54px; margin: 0 auto 15px; border-radius: 17px;
    display: flex; align-items: center; justify-content: center;
    font-size: 27px; font-weight: 300; line-height: 1; color: #fff; background: var(--grad);
    box-shadow: 0 14px 26px -14px rgba(51,85,255,.9);
}
.portfolio-custom h3 { font-size: 1.06rem; font-weight: 800; color: var(--ink); margin-bottom: 7px; }
.portfolio-custom p { font-size: 12.5px; color: var(--ink-3); line-height: 1.75; max-width: 280px; margin: 0 auto 15px; }
.portfolio-custom .pc-btns { display: flex; gap: 9px; justify-content: center; flex-wrap: wrap; }
.portfolio-custom .pc-btn {
    display: inline-flex; align-items: center; gap: 6px; padding: 8px 17px; border-radius: 12px;
    font-size: 12.5px; font-weight: 700; color: #fff; background: var(--grad);
    box-shadow: 0 12px 24px -14px rgba(51,85,255,.9); transition: transform .25s;
}
.portfolio-custom .pc-btn.ghost { color: var(--a1); background: rgba(255,255,255,.82);
    border: 1px solid rgba(51,85,255,.18); box-shadow: none; }
.portfolio-custom .pc-btn:hover { transform: translateY(-1px); }

/* ---------- 团队 ---------- */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.team-card {
    padding: 28px 20px 24px; border-radius: 20px; text-align: center;
    background: var(--glass); border: 1px solid rgba(255,255,255,.96);
    box-shadow: var(--shadow);
    -webkit-backdrop-filter: blur(18px) saturate(160%); backdrop-filter: blur(18px) saturate(160%);
    transition: transform .28s, box-shadow .28s;
}
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hi); }
.team-avatar { position: relative; width: 104px; height: 104px; margin: 0 auto 16px; overflow: hidden;
    border-radius: 50%; border: 3px solid transparent;
    background:
      linear-gradient(#fff,#fff) padding-box,
      linear-gradient(135deg,#ff0080,#ff8c00,#ffee00,#00e676,#00b0ff,#d500f9,#ff0080) border-box;
    background-size: auto, 300% 300%;
    animation: rainbowBorder 4s linear infinite, avatarGlow 2.6s ease-in-out infinite;
}
.team-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.team-avatar.no-img::after { content: "👤"; font-size: 2.4rem; position: absolute; top: 50%; left: 50%;
    transform: translate(-50%,-50%); opacity: .45; }
@keyframes rainbowBorder {0%{background-position:0% 50%, 0% 50%}100%{background-position:0% 50%, 300% 50%}}
@keyframes avatarGlow {
    0%,100% { box-shadow: 0 0 0 1px rgba(120,155,215,.16), 0 0 18px rgba(120,100,255,.45), 0 16px 30px -20px rgba(28,52,120,.5); }
    50%     { box-shadow: 0 0 0 1px rgba(120,155,215,.16), 0 0 32px rgba(180,90,255,.75), 0 16px 30px -20px rgba(28,52,120,.5); }
}
.team-card h3 { font-size: 1.08rem; font-weight: 800; margin-bottom: 5px; }
.team-position { display: inline-block; padding: 2px 11px; margin-bottom: 10px; border-radius: 20px;
    font-size: 11.5px; font-weight: 600; color: var(--a1);
    background: rgba(51,85,255,.08); border: 1px solid rgba(51,85,255,.12); }
.team-bio { font-size: 12.5px; color: var(--ink-3); min-height: 38px; margin-bottom: 12px; line-height: 1.65; }
.team-contact { display: flex; gap: 7px; justify-content: center; flex-wrap: wrap; }
.team-contact a { padding: 3px 11px; border-radius: 12px; font-size: 11.5px; font-weight: 600;
    color: var(--ink-2); background: rgba(255,255,255,.78);
    border: 1px solid rgba(120,155,215,.2); transition: all .2s; }
.team-contact a:hover { color: var(--a1); border-color: rgba(51,85,255,.34); background: #fff; }

/* ---------- 游戏中心 ---------- */
.game-center { background: rgba(255,255,255,.30); }
.gc-cats { display: flex; justify-content: center; gap: 9px; margin-bottom: 30px; flex-wrap: wrap; }
.gc-cat { padding: 8px 20px; border-radius: 24px; font-size: 13.5px; font-weight: 600; cursor: pointer;
    color: var(--ink-2); background: rgba(255,255,255,.72); border: 1px solid rgba(255,255,255,.96);
    box-shadow: 0 0 0 1px rgba(120,155,215,.12), 0 10px 22px -18px rgba(28,52,120,.4);
    -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
    transition: all .22s ease; user-select: none; }
.gc-cat:hover { color: var(--a1); box-shadow: 0 0 0 1px rgba(51,85,255,.3), 0 12px 24px -18px rgba(28,52,120,.4); }
.gc-cat.active { color: #fff; background: var(--grad); border-color: transparent;
    box-shadow: 0 12px 26px -14px rgba(51,85,255,.8); }
.gc-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; max-width: 1200px; margin: 0 auto; }
.gc-card {
    position: relative; display: flex; flex-direction: column; overflow: hidden; border-radius: 20px;
    background: var(--glass); border: 1px solid rgba(255,255,255,.96);
    box-shadow: var(--shadow); scroll-margin-top: 90px;
    -webkit-backdrop-filter: blur(18px) saturate(160%); backdrop-filter: blur(18px) saturate(160%);
    transition: transform .3s, box-shadow .3s;
}
.gc-card::before { content: ''; position: absolute; left: 12%; right: 12%; top: 0; height: 1px; z-index: 3;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,1), transparent); }
.gc-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hi); }
.gc-icon { position: relative; width: 100%; height: 132px; display: flex; align-items: center;
    justify-content: center; font-size: 42px;
    background: linear-gradient(150deg, rgba(51,85,255,.14), rgba(110,91,255,.10) 46%, rgba(34,195,230,.12)); }
.gc-icon-img { position: relative; display: block; width: 100%; height: 132px; overflow: hidden; cursor: zoom-in; }
.gc-icon-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s ease; }
.gc-icon-img:hover img { transform: scale(1.06); }
.gc-badge { position: absolute; top: 10px; left: 10px; z-index: 2; padding: 4px 12px; border-radius: 20px;
    font-size: 11.5px; font-weight: 700; color: #fff; white-space: nowrap;
    background: linear-gradient(90deg,#ff0080,#ff8c00,#ffee00,#00e676,#00b0ff,#d500f9,#ff0080);
    background-size: 400% 100%;
    animation: rainbow 3s linear infinite;
    box-shadow: 0 4px 12px -4px rgba(255,0,128,.5);
    font-variant-numeric: tabular-nums; }
@keyframes rainbow{0%{background-position:0% 0}100%{background-position:400% 0}}
.gc-body { padding: 15px 17px 4px; }
.gc-head h3 { font-size: 1.04rem; font-weight: 800; color: var(--ink); letter-spacing: -.01em; }
.gc-sub { margin-top: 5px; font-size: 12.5px; color: var(--ink-3); line-height: 1.6;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.gc-tags { list-style: none; display: flex; gap: 7px; flex-wrap: wrap; margin-top: 11px; }
.gc-tags li { padding: 3px 10px; border-radius: 10px; font-size: 11.5px; color: var(--ink-2);
    background: rgba(255,255,255,.8); border: 1px solid rgba(120,155,215,.18); }
.gc-contact { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 10px; font-size: 12px; color: var(--ink-3); }
.gc-actions { display: flex; gap: 8px; flex-wrap: wrap; padding: 12px 17px 17px; margin-top: auto; }
.yz-btn { display: inline-flex; align-items: center; justify-content: center; gap: 5px;
    padding: 13px 30px; border-radius: 30px; font-size: 14.5px; font-weight: 700; color: #fff;
    transition: transform .25s, box-shadow .25s; border: 1px solid transparent; }
.yz-btn:hover { transform: translateY(-2px); }
.yz-btn-green { background: linear-gradient(135deg, #2BC26B, #14A15C);
    box-shadow: 0 12px 24px -14px rgba(20,161,92,.8); }
.yz-btn-ios { background: linear-gradient(135deg, #4B5C7E, #2A3A5A);
    box-shadow: 0 12px 24px -14px rgba(42,58,90,.7); }
.yz-btn-orange { background: linear-gradient(135deg, #FF9A4D, #F0713A);
    box-shadow: 0 12px 24px -14px rgba(240,113,58,.8); }
.gc-btn { padding: 9px 15px; font-size: 12.5px; border-radius: 11px; flex: 1 1 auto; }

/* Lightbox（保持深色遮罩，看图更专注） */
.yz-lb-overlay { position: fixed; inset: 0; z-index: 3000; display: none; align-items: center;
    justify-content: center; overflow: hidden; background: rgba(12,18,36,.9);
    -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.yz-lb-overlay.open { display: flex; }
.yz-lb-stage { position: absolute; inset: 0; overflow: hidden; cursor: grab; }
.yz-lb-overlay.dragging .yz-lb-stage { cursor: grabbing; }
.yz-lb-img { position: absolute; left: 50%; top: 50%; max-width: 92vw; max-height: 88vh;
    transform: translate(-50%,-50%) scale(1); transform-origin: center center;
    user-select: none; -webkit-user-drag: none; border-radius: 10px;
    box-shadow: 0 24px 70px rgba(0,0,0,.6); }
.yz-lb-bar { position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%);
    display: flex; gap: 10px; align-items: center; z-index: 3001; padding: 8px 12px; border-radius: 30px;
    background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.18);
    -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); }
.yz-lb-bar button { width: 36px; height: 36px; border-radius: 50%; border: none; cursor: pointer;
    display: flex; align-items: center; justify-content: center; font-size: 18px; line-height: 1;
    color: #fff; background: rgba(255,255,255,.14); transition: background .2s; }
.yz-lb-bar button:hover { background: rgba(255,255,255,.28); }
.yz-lb-bar .yz-lb-zoom-label { min-width: 52px; text-align: center; font-size: 13px;
    color: #FFD166; font-variant-numeric: tabular-nums; }
.yz-lb-title { position: absolute; top: 18px; left: 50%; transform: translateX(-50%); z-index: 3001;
    max-width: 80vw; padding: 6px 16px; border-radius: 20px; font-size: 14px; color: #fff;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    background: rgba(12,18,36,.5); border: 1px solid rgba(255,255,255,.14); }
.yz-lb-close { position: absolute; top: 16px; right: 18px; z-index: 3001; width: 42px; height: 42px;
    border-radius: 50%; border: 1px solid rgba(255,255,255,.18); font-size: 22px; line-height: 1;
    color: #fff; cursor: pointer; background: rgba(255,255,255,.14);
    -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.yz-lb-close:hover { background: rgba(255,80,80,.8); }

/* ---------- 关于 ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 46px; align-items: center; }
.about-image { position: relative; overflow: hidden; border-radius: 24px;
    background: var(--glass); border: 1px solid rgba(255,255,255,.96);
    box-shadow: 0 0 0 1px rgba(120,155,215,.12), 0 30px 60px -30px rgba(28,52,120,.4);
    padding: 10px; }
.about-image img { display: block; width: 100%; border-radius: 16px; }
.about-content h2 { font-size: 1.85rem; font-weight: 800; letter-spacing: -.02em; margin: 12px 0 16px; }
.about-content > p { font-size: 14.5px; color: var(--ink-2); margin-bottom: 8px; line-height: 1.85; }
.about-features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 22px; }
.about-feature { display: flex; gap: 12px; align-items: flex-start; padding: 14px 15px; border-radius: 15px;
    background: rgba(255,255,255,.7); border: 1px solid rgba(255,255,255,.96);
    box-shadow: 0 0 0 1px rgba(120,155,215,.1), 0 12px 24px -22px rgba(28,52,120,.4);
    -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.about-feature-icon { font-size: 20px; line-height: 1; flex-shrink: 0; width: 38px; height: 38px;
    border-radius: 11px; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(150deg, rgba(51,85,255,.12), rgba(34,195,230,.1));
    border: 1px solid rgba(255,255,255,.9); }
.about-feature h4 { font-size: 13.8px; font-weight: 700; margin-bottom: 2px; }
.about-feature p { font-size: 12.3px; color: var(--ink-3); line-height: 1.6; margin: 0; }

/* ---------- 环境 ---------- */
.environment-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.environment-card { overflow: hidden; border-radius: 20px;
    background: var(--glass); border: 1px solid rgba(255,255,255,.96);
    box-shadow: var(--shadow);
    -webkit-backdrop-filter: blur(18px) saturate(160%); backdrop-filter: blur(18px) saturate(160%);
    transition: transform .3s, box-shadow .3s; }
.environment-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hi); }
.environment-thumb { position: relative; height: 232px; overflow: hidden;
    background: linear-gradient(150deg, rgba(238,243,255,.92), rgba(246,249,255,.92)); }
.environment-thumb img { display: block; width: 100%; height: 100%; object-fit: cover;
    transition: transform .5s ease; }
.environment-card:hover .environment-thumb img { transform: scale(1.05); }
.environment-thumb.no-img::after { content: "🏢"; font-size: 2.6rem; position: absolute; top: 50%; left: 50%;
    transform: translate(-50%,-50%); opacity: .4; }
.environment-info { padding: 20px 22px 24px; }
.environment-info h3 { font-size: 1.18rem; font-weight: 800; margin-bottom: 7px; }
.environment-info p { font-size: 13.5px; color: var(--ink-3); line-height: 1.75; }

/* ---------- 好评 ---------- */
.reviews { background: rgba(255,255,255,.30); }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.review-card { position: relative; padding: 24px 22px; border-radius: 20px;
    background: var(--glass); border: 1px solid rgba(255,255,255,.96);
    box-shadow: var(--shadow);
    -webkit-backdrop-filter: blur(18px) saturate(160%); backdrop-filter: blur(18px) saturate(160%);
    transition: transform .28s, box-shadow .28s; }
.review-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hi); }
.review-quote { position: absolute; top: 10px; right: 16px; font-size: 44px; line-height: 1;
    font-family: Georgia, serif; color: rgba(51,85,255,.14); }
.review-stars { margin-bottom: 11px; font-size: 14px; letter-spacing: 2px; color: #FFB020; }
.review-content { position: relative; z-index: 1; font-size: 13.5px; color: var(--ink-2);
    line-height: 1.8; margin-bottom: 16px; min-height: 62px; }
.review-user { display: flex; align-items: center; gap: 10px; }
.review-avatar { flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%; overflow: hidden;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 700; color: #fff; background: var(--grad);
    box-shadow: 0 8px 18px -10px rgba(51,85,255,.8); }
.review-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.review-name { font-size: 13px; font-weight: 700; color: var(--ink); }

/* ---------- 优势 ---------- */
.advantages { background: rgba(255,255,255,.30); }
.advantages-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.advantage-card { padding: 26px 24px; border-radius: 20px;
    background: var(--glass); border: 1px solid rgba(255,255,255,.96);
    box-shadow: var(--shadow);
    -webkit-backdrop-filter: blur(18px) saturate(160%); backdrop-filter: blur(18px) saturate(160%);
    transition: transform .28s, box-shadow .28s; }
.advantage-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hi); }
.advantage-icon { width: 48px; height: 48px; margin-bottom: 14px; border-radius: 14px; font-size: 22px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(150deg, rgba(51,85,255,.12), rgba(110,91,255,.08));
    border: 1px solid rgba(255,255,255,.92);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.9), 0 12px 24px -20px rgba(28,52,120,.5); }
.advantage-card h3 { font-size: 1.06rem; font-weight: 800; margin-bottom: 7px; }
.advantage-card p { font-size: 13px; color: var(--ink-3); line-height: 1.75; }

/* ---------- 联系 ---------- */
.contact { padding: 20px 0 74px; }
.contact .container {
    padding: 48px 44px 44px; border-radius: 28px; position: relative; overflow: hidden;
    background: linear-gradient(158deg, rgba(255,255,255,.88) 0%, rgba(255,255,255,.62) 48%, rgba(255,255,255,.78) 100%);
    border: 1px solid rgba(255,255,255,.98);
    box-shadow: 0 0 0 1px rgba(120,155,215,.12), 0 34px 66px -34px rgba(28,52,120,.4), inset 0 1px 0 rgba(255,255,255,1);
    -webkit-backdrop-filter: blur(24px) saturate(170%); backdrop-filter: blur(24px) saturate(170%);
}
.contact .container::before { content: ''; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(560px 300px at 88% 0%, rgba(51,85,255,.13), transparent 66%),
                radial-gradient(460px 280px at 4% 100%, rgba(34,195,230,.13), transparent 68%); }
.contact .section-header { position: relative; margin-bottom: 34px; }
.contact-grid { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.contact-card { padding: 24px 18px; border-radius: 18px; text-align: center;
    background: rgba(255,255,255,.76); border: 1px solid rgba(255,255,255,.98);
    box-shadow: 0 0 0 1px rgba(120,155,215,.1), 0 14px 30px -24px rgba(28,52,120,.4);
    transition: transform .28s, box-shadow .28s; }
.contact-card:hover { transform: translateY(-4px);
    box-shadow: 0 0 0 1px rgba(51,85,255,.16), 0 20px 38px -24px rgba(28,52,120,.4); }
.contact-icon { width: 44px; height: 44px; margin: 0 auto 10px; border-radius: 13px; font-size: 21px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(150deg, rgba(51,85,255,.12), rgba(34,195,230,.1));
    border: 1px solid rgba(255,255,255,.95);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.9); }
.contact-card h4 { font-size: 12.5px; font-weight: 700; color: var(--ink-3); margin-bottom: 6px;
    letter-spacing: .02em; }
.contact-card p, .contact-card a { font-size: 14px; font-weight: 700; color: var(--ink);
    word-break: break-all; }
.contact-card a:hover { color: var(--a1); }

/* ---------- 页脚 ---------- */
.footer { padding: 52px 0 0; position: relative;
    background: linear-gradient(180deg, rgba(255,255,255,.5), rgba(255,255,255,.86));
    border-top: 1px solid rgba(255,255,255,.96);
    box-shadow: 0 -1px 0 rgba(120,155,215,.14);
    -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr; gap: 36px; padding-bottom: 34px; }
.footer-brand h3 { font-size: 1.2rem; font-weight: 800; margin-bottom: 10px;
    background: linear-gradient(90deg,#ff0080,#ff8c00,#ffee00,#00e676,#00b0ff,#d500f9,#ff0080);
    background-size: 400% 100%;
    animation: rainbowText 3s linear infinite;
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.footer-brand p { font-size: 13px; color: var(--ink-3); line-height: 1.8; }
.footer-brand a { color: var(--ink-2); }
.footer-brand a:hover { color: var(--a1); }
.footer-links h4 { font-size: 13.5px; font-weight: 800; color: var(--ink); margin-bottom: 12px; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { font-size: 13px; color: var(--ink-3); transition: color .2s; }
.footer-links a:hover { color: var(--a1); }
.footer-bottom { border-top: 1px solid rgba(120,155,215,.18); padding: 18px 0 22px;
    text-align: center; font-size: 12.5px; color: var(--ink-3); }

/* ---------- 加入我们弹窗 ---------- */
.join-modal-overlay { position: fixed; inset: 0; z-index: 2000; display: flex; align-items: center;
    justify-content: center; padding: 20px; background: rgba(18,28,52,.34);
    -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.join-modal { position: relative; width: 100%; max-width: 470px; max-height: 92vh; overflow-y: auto;
    padding: 32px 30px 26px; border-radius: 24px;
    background: linear-gradient(158deg, rgba(255,255,255,.96) 0%, rgba(250,252,255,.92) 100%);
    border: 1px solid rgba(255,255,255,1);
    box-shadow: 0 0 0 1px rgba(120,155,215,.14), 0 40px 80px -30px rgba(18,28,52,.5);
    -webkit-backdrop-filter: blur(28px) saturate(170%); backdrop-filter: blur(28px) saturate(170%);
    animation: joinModalIn .32s cubic-bezier(.2,.9,.25,1.08); }
/* 顶部极光条，与 hy-dialog / 后台 modal 同源 */
.join-modal::before {
    content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px;
    background: linear-gradient(135deg,#3355FF,#6D4BFF,#22C3E6);
    border-radius: 24px 24px 0 0; pointer-events: none; }
@keyframes joinModalIn {
    from { opacity: 0; transform: translateY(18px) scale(.95); }
    to   { opacity: 1; transform: translateY(0) scale(1); } }
.join-modal-close { position: absolute; top: 14px; right: 16px; width: 32px; height: 32px;
    border-radius: 10px; border: 1px solid rgba(120,155,215,.18); background: rgba(255,255,255,.8);
    font-size: 20px; line-height: 1; color: var(--ink-3); cursor: pointer; transition: all .2s; }
.join-modal-close:hover { color: var(--ink); background: #fff; transform: rotate(90deg); }
.join-modal h3 { font-size: 1.34rem; font-weight: 800; margin-bottom: 4px; letter-spacing: -.01em; }
.join-modal-sub { font-size: 13px; color: var(--ink-3); margin-bottom: 20px; }
.form-field { margin-bottom: 15px; }
.form-field label { display: block; font-size: 12.8px; font-weight: 700; color: var(--ink-2); margin-bottom: 6px; }
.form-field input, .form-field textarea {
    width: 100%; padding: 11px 14px; border-radius: 12px; font-size: 13.8px; font-family: inherit;
    color: var(--ink); outline: none; background: rgba(255,255,255,.86);
    border: 1px solid rgba(120,155,215,.24);
    transition: border-color .25s, box-shadow .25s, background .25s;
}
.form-field input::placeholder, .form-field textarea::placeholder { color: #A6B3C8; }
.form-field input:focus, .form-field textarea:focus {
    border-color: rgba(51,85,255,.6); background: #fff;
    box-shadow: 0 0 0 4px rgba(51,85,255,.1); }
.form-field textarea { resize: vertical; }
.email-group { display: flex; gap: 8px; }
.email-group input { flex: 1; min-width: 0; }
.join-submit { width: 100%; margin-top: 6px; border: none; cursor: pointer; border-radius: 14px; }
.join-modal-msg { margin-top: 12px; font-size: 13.5px; text-align: center; }
.join-modal-msg.ok { color: #16A34A; }
.join-modal-msg.err { color: #DC2626; }
.join-modal-msg.info { color: var(--a1); }

/* ---------- 首屏配色切换器 ---------- */
.hero-switcher {
    position: fixed; right: 14px; top: 50%; transform: translateY(-50%); z-index: 900;
    display: flex; flex-direction: column; align-items: center; gap: 5px; padding: 9px 0 10px;
    width: 46px; border-radius: 18px; background: rgba(255,255,255,.72);
    border: 1px solid rgba(255,255,255,.98);
    box-shadow: 0 0 0 1px rgba(120,155,215,.12), 0 18px 36px -22px rgba(28,52,120,.42);
    -webkit-backdrop-filter: blur(20px) saturate(170%); backdrop-filter: blur(20px) saturate(170%);
}
.hero-switcher b { width: 40px; margin-bottom: 3px; text-align: center;
    font-size: 9.5px; line-height: 1.35; font-weight: 700; color: var(--ink-3); letter-spacing: 0; }
.hero-switcher button {
    width: 30px; height: 30px; border-radius: 10px; cursor: pointer; padding: 0;
    display: flex; align-items: center; justify-content: center; background: transparent;
    border: 1px solid transparent; transition: all .22s;
}
.hero-switcher button i { width: 16px; height: 16px; border-radius: 6px; display: block;
    box-shadow: 0 0 0 1px rgba(255,255,255,.9), 0 4px 10px -4px rgba(28,52,120,.5); }
.hero-switcher button:hover { background: rgba(51,85,255,.08); }
.hero-switcher button.on { background: rgba(51,85,255,.1); border-color: rgba(51,85,255,.24); }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
    .nav-links { gap: 16px; }
    .nav-links a { font-size: 13.5px; }
}
@media (max-width: 992px) {
    .mobile-menu-btn { display: block; }
    .nav-links {
        display: none; position: absolute; top: 70px; left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 2px; padding: 10px 14px 16px;
        background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(255,255,255,.98);
        box-shadow: 0 24px 44px -28px rgba(28,52,120,.4); height: auto;
        max-height: calc(100vh - 70px); overflow-y: auto; -webkit-overflow-scrolling: touch;
        -webkit-backdrop-filter: blur(24px) saturate(170%); backdrop-filter: blur(24px) saturate(170%);
    }
    .nav-links.active { display: flex; }
    .nav-links > li { height: auto; width: 100%; display: flex; flex-wrap: wrap; align-items: center; border-radius: 12px; }
    .nav-links > li > a { flex: 1; min-width: 0; padding: 11px 10px; font-size: 15px; font-weight: 600; border-radius: 11px; }
    .nav-links > li > a::after { display: none; }
    .nav-links .hnav-arrow { display: none; }
    /* 移动端：带下拉的菜单项手风琴折叠 */
    .nav-links > li.nav-item-dropdown { flex-direction: row; flex-wrap: wrap; align-items: center; }
    .hnav-caret {
        display: inline-grid; place-items: center; width: 24px; height: 24px;
        margin-left: 7px; border-radius: 8px; background: rgba(51,85,255,.09); color: #3355FF;
        cursor: pointer; vertical-align: middle; transition: background .2s;
    }
    .hnav-caret:hover { background: rgba(51,85,255,.18); }
    /* + / − 纯 CSS 图标：竖线收起即为「−」 */
    .hnav-caret .hnav-caret-ico { position: relative; width: 13px; height: 13px; display: block; }
    .hnav-caret .hnav-caret-ico::before,
    .hnav-caret .hnav-caret-ico::after {
        content: ''; position: absolute; left: 50%; top: 50%; background: currentColor; border-radius: 2px;
        transition: transform .24s ease, opacity .2s ease;
    }
    .hnav-caret .hnav-caret-ico::before { width: 13px; height: 2px; transform: translate(-50%,-50%); }
    .hnav-caret .hnav-caret-ico::after  { width: 2px; height: 13px; transform: translate(-50%,-50%); }
    .nav-item-dropdown.open .hnav-caret { background: rgba(51,85,255,.14); }
    .nav-item-dropdown.open .hnav-caret .hnav-caret-ico::after {
        transform: translate(-50%,-50%) scaleY(0); opacity: 0;
    }
    /* 移动端手风琴子菜单
       必须用「高优先级 + !important」：server/css/glassmorphism.css 里有一条
       `.dropdown-menu, .submenu, .popover, .dropdown { background:…!important;
        backdrop-filter:…!important; border-radius:…!important; box-shadow:…!important }`，
       是给后台下拉框用的玻璃皮肤，会把手风琴面板强行改成白色大圆角浮层（桌面绝对定位那套外观）；
       而且「blur 套 blur」（菜单本身已 blur，面板又 blur）在 Android 上会让面板里的
       子项整块不绘制 —— 表现就是面板在、子菜单文字全看不见。
       这里把面板压回扁平浅蓝实色，并彻底关掉 backdrop-filter。 */
    .navbar .nav-links .nav-item-dropdown .dropdown {
        position: static !important; top: auto !important; left: auto !important;
        transform: none !important; display: none;
        width: 100% !important; min-width: 0 !important; max-width: none !important;
        flex-basis: 100% !important; margin: 2px 0 8px !important;
        padding: 5px 6px 6px !important;
        background: rgba(51,85,255,.055) !important; background-image: none !important;
        border: 0 !important; border-radius: 12px !important; box-shadow: none !important;
        -webkit-backdrop-filter: none !important; backdrop-filter: none !important;
        opacity: 1 !important; visibility: visible !important; pointer-events: auto !important;
    }
    .navbar .nav-links .nav-item-dropdown .dropdown::before,
    .navbar .nav-links .nav-item-dropdown .dropdown::after {
        display: none !important; content: none !important;
    }
    .navbar .nav-links .nav-item-dropdown.open .dropdown {
        display: block !important; animation: hnavDrop .22s ease;
    }
    .navbar .nav-links .nav-item-dropdown .dropdown li { display: block; }
    .navbar .nav-links .nav-item-dropdown .dropdown a {
        display: flex; align-items: center; gap: 9px;
        padding: 10px 12px !important; font-size: 13.5px !important;
        border-radius: 9px !important; white-space: nowrap;
        color: var(--ink-2) !important;
        -webkit-text-fill-color: currentColor;
    }
    /* 展开动画只做位移，不动 opacity：万一动画被打断，也不会留下一个「透明面板」 */
    @keyframes hnavDrop { from { transform: translateY(-5px); } to { transform: none; } }
    .hero-switcher { display: none; }

    .hero { padding-top: 112px; }
    .hero-in { grid-template-columns: 1fr; gap: 40px; padding-bottom: 44px; }
    .hero h1 { font-size: 2.5rem; }
    .hero-visual { height: 380px; max-width: 480px; margin: 0 auto; width: 100%; }
    .trust-in { grid-template-columns: repeat(2, 1fr); border-radius: 20px; }
    .trust-cell + .trust-cell::before { display: none; }
    .trust-cell:nth-child(-n+2) { border-bottom: 1px solid rgba(120,155,215,.16); }

    .services-grid, .portfolio-grid, .advantages-grid, .reviews-grid { grid-template-columns: repeat(2, 1fr); }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .gc-list { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .about-grid { grid-template-columns: 1fr; gap: 30px; }
    .contact .container { padding: 38px 28px 34px; border-radius: 24px; }
}
@media (max-width: 768px) {
    .container, .nav-container { padding: 0 18px; }
    .section { padding: 56px 0; }
    .section-title { font-size: 1.62rem; }
    .section-subtitle { font-size: .92rem; }
    .section-header { margin-bottom: 30px; }

    .carousel-section { padding: 24px 18px 6px; }
    .carousel-slide img { height: 210px; }
    .carousel-caption { left: 16px; bottom: 16px; max-width: 80%; }
    .carousel-caption h3 { font-size: 1.05rem; }
    .carousel-caption p { font-size: 12px; }
    .carousel-arrow { width: 34px; height: 34px; font-size: 17px; }

    .notice-section { padding: 6px 18px 18px; }
    .notice-bar { gap: 10px; padding: 7px 14px; border-radius: 14px; }
    .notice-flag { padding: 4px 10px; font-size: 11px; }
    .notice-list a { font-size: 12.5px; }
    .notice-more { display: none; }

    .ads { padding: 2px 0 14px; }
    .ads-grid { grid-template-columns: 1fr; padding: 0 18px; gap: 12px; }
    .ad-card { padding: 14px 16px; border-radius: 16px; }
    .ad-icon { width: 44px; height: 44px; font-size: 21px; border-radius: 12px; }

    .portfolio-thumb { height: 168px; }
    .environment-thumb { height: 190px; }
    .review-content { min-height: 0; }
    .hero-mini { gap: 18px; font-size: 12.5px; }
    .hero-mini b { font-size: 15px; }
    .tag-a { top: 30px; left: -4px; }
    .tag-b { left: 18px; }
    .float-tag { font-size: 11.5px; padding: 7px 11px 7px 8px; }
    .footer { padding-top: 40px; }
    .footer-grid { gap: 26px; padding-bottom: 26px; }
}
@media (max-width: 640px) {
    .hero { padding-top: 100px; }
    .hero h1 { font-size: 2.02rem; }
    .hero-subtitle { font-size: .98rem; }
    .hero-desc { font-size: .92rem; }
    .hero-buttons .btn { flex: 1 1 auto; padding: 12px 20px; font-size: 14px; }
    .hero-visual { display: none; }
    .trust-cell { padding: 16px 10px; }
    .trust-cell strong { font-size: 1.28rem; }
    .trust-cell span { font-size: 11.5px; }

    .services-grid, .portfolio-grid, .advantages-grid, .reviews-grid, .team-grid,
    .gc-list, .contact-grid, .environment-grid, .about-features { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .contact .container { padding: 30px 18px 26px; border-radius: 20px; }
    .section { padding: 46px 0; }
    .join-modal { padding: 26px 20px 22px; border-radius: 20px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .btn-primary::after { display: none; }
    .bg .orb, .bg .grain { animation: none; }
}

/* ============================================================
   APP 下载条（首页 hero 下方 · 扫码下载）
   结构：.app-dl > .container > .adl-card > (.adl-main | .adl-side)
   换下载链接时：重新生成 /assets/img/qr_app.png，并改 .adl-btn 的 href
   ============================================================ */
.app-dl { position: relative; z-index: 3; padding: 30px 0 6px; }

.adl-card {
    position: relative;
    display: flex; align-items: center; justify-content: space-between;
    gap: 28px; padding: 22px 26px; border-radius: 24px;
    max-width: 920px; margin: 0 auto;
    background: var(--glass);
    border: 1px solid rgba(255,255,255,.92);
    box-shadow: var(--shadow);
    -webkit-backdrop-filter: blur(22px) saturate(180%);
    backdrop-filter: blur(22px) saturate(180%);
    overflow: hidden;
}
/* 卡内厚度感：左上淡蓝 + 右上淡紫 */
.adl-card::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background:
        radial-gradient(460px 220px at 4% -40%, rgba(51,85,255,.10), transparent 62%),
        radial-gradient(460px 240px at 98% -46%, rgba(109,75,255,.09), transparent 62%);
}

.adl-main { position: relative; display: flex; align-items: center; gap: 16px; min-width: 0; flex: 1; }

.adl-ico {
    flex: 0 0 54px; width: 54px; height: 54px; border-radius: 17px;
    display: flex; align-items: center; justify-content: center; color: #fff;
    background: var(--grad);
    box-shadow: 0 14px 26px -14px rgba(51,85,255,.95), inset 0 1px 0 rgba(255,255,255,.42);
}
.adl-ico svg { width: 25px; height: 25px; }

.adl-copy { min-width: 0; }
.adl-badge {
    display: inline-block; margin-bottom: 5px; padding: 2px 9px; border-radius: 999px;
    font-size: 11px; font-weight: 600; letter-spacing: .04em;
    color: var(--ink-3); background: rgba(120,155,215,.13);
    border: 1px solid rgba(196,210,232,.6);
}
.adl-copy h3 {
    display: flex; align-items: center; gap: 9px; flex-wrap: wrap;
    margin: 0; font-size: 19px; font-weight: 700; letter-spacing: -.01em; color: var(--ink);
}
.adl-copy h3 em {
    font-style: normal; font-size: 10.5px; font-weight: 700; letter-spacing: .07em;
    padding: 2px 7px; border-radius: 6px; text-transform: uppercase;
    color: var(--ink-3); background: rgba(120,155,215,.13);
    border: 1px solid rgba(196,210,232,.62);
}
/* 「珩宇APP」动态彩色标题
   · 底色锚定当前主题（--a1），换成红/青/绿/紫皮肤时会跟着变
   · 穿插玫红 #FF3D8B 与紫 #A855F7 两个邻近色相做彩色流动
     刻意不用「青」：橙红与青是互补色，sRGB 插值必经灰色，会出现一帧发脏的灰蓝
     相邻色标色相差都在 60° 内，过渡干净，不会出现泥色
   · background-size 150% + position 0→300% 恰好走满一个色环，首尾同色无缝循环
   · 降级：不支持 background-clip:text 时保留实色 --a1，绝不出现文字消失 */
.adl-name {
    display: inline-block;
    color: var(--a1);
    font-weight: 800;
    letter-spacing: -.012em;
}
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
    .adl-name {
        background-image: linear-gradient(90deg,
            var(--a1) 0%,
            #FF3D8B 26%,
            #A855F7 50%,
            #FF3D8B 74%,
            var(--a1) 100%);
        background-size: 150% 100%;
        background-repeat: repeat;
        background-position: 0% 50%;
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        animation: adlNameFlow 6.5s linear infinite;
        will-change: background-position;
    }
    /* 鼠标停在整张卡上时流光加速，算一个不打扰的小反馈 */
    .adl-card:hover .adl-name { animation-duration: 2.4s; }
}
@keyframes adlNameFlow {
    0%   { background-position: 0% 50%; }
    100% { background-position: 300% 50%; }
}
@media (prefers-reduced-motion: reduce) {
    .adl-name { animation: none !important; background-position: 0% 50% !important; }
}

.adl-desc { margin: 6px 0 0; font-size: 13.5px; line-height: 1.6; color: var(--ink-2); }
.adl-meta { margin: 4px 0 0; font-size: 12px; color: var(--ink-3); }

.adl-side { position: relative; display: flex; align-items: center; gap: 20px; flex: 0 0 auto; }

.adl-qr { display: flex; flex-direction: column; align-items: center; gap: 5px; }
.adl-qr img {
    display: block; width: 82px; height: 82px; padding: 5px; border-radius: 12px;
    background: #fff; border: 1px solid rgba(196,210,232,.72);
    box-shadow: 0 8px 18px -10px rgba(38,64,140,.45);
}
.adl-qr span { font-size: 10.5px; color: var(--ink-3); white-space: nowrap; }

.adl-act { display: flex; flex-direction: column; align-items: stretch; gap: 7px; }
.adl-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 7px;
    height: 44px; padding: 0 24px; border-radius: 13px; white-space: nowrap;
    font-size: 14.5px; font-weight: 700; color: #fff; text-decoration: none;
    background: var(--grad);
    box-shadow: 0 16px 28px -16px rgba(51,85,255,.95), inset 0 1px 0 rgba(255,255,255,.3);
    transition: transform .22s ease, box-shadow .22s ease, filter .22s ease;
}
.adl-btn svg { width: 16px; height: 16px; }
.adl-btn:hover { transform: translateY(-1px); filter: saturate(1.08);
    box-shadow: 0 20px 34px -16px rgba(51,85,255,1), inset 0 1px 0 rgba(255,255,255,.3); }
.adl-tut {
    display: block; text-align: center; font-size: 12.5px;
    color: var(--ink-3); text-decoration: none; transition: color .2s ease;
}
.adl-tut:hover { color: var(--a1); }

@media (max-width: 1100px) {
    .adl-side { gap: 16px; }
    .adl-btn { padding: 0 20px; }
}
@media (max-width: 992px) {
    .adl-card { flex-wrap: wrap; gap: 20px; }
}
@media (max-width: 768px) {
    .app-dl { padding-top: 22px; }
    .adl-card { padding: 18px 20px; border-radius: 20px; }
    .adl-qr { display: none; }            /* 手机上扫码自己屏幕没意义，直接给按钮 */
    .adl-side { margin-left: auto; }
    .adl-copy h3 { font-size: 17.5px; }
    .adl-desc { font-size: 13px; }
}
@media (max-width: 540px) {
    .adl-card { flex-direction: column; align-items: stretch; gap: 15px; }
    .adl-side { margin-left: 0; }
    .adl-act { flex: 1; }
    .adl-btn { width: 100%; }
    .adl-meta { display: none; }          /* 窄屏省一行，版本信息在下载页还有 */
}