/* ==========================================================
   导航站 — 浅蓝清新主题 (Premium Light)
   设计要点: 浅蓝渐变 + 淡彩极光动态背景 + 玻璃白卡片 + 高级微交互
   ========================================================== */

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

:root {
    --primary: #2D8CF0;
    --primary-dark: #1976D2;
    --primary-light: #6BB6FF;
    --primary-soft: #b9d8ff;

    --bg-grad-top: #e6efff;
    --bg-grad-bot: #f5f8ff;
    --bg-base: #eaf2ff;

    --card: #ffffff;
    --card-soft: #f6faff;
    --text: #1f2937;
    --text-light: #6b7280;
    --text-faint: #9ca3af;
    --border: #e3ecff;
    --border-strong: #d4e3ff;

    --gold: #ffb400;
    --gold-deep: #f59e0b;
    --red: #e53935;

    --shadow-sm: 0 2px 8px rgba(60, 100, 200, 0.06);
    --shadow: 0 6px 20px rgba(60, 100, 200, 0.10);
    --shadow-hi: 0 14px 36px rgba(45, 140, 240, 0.20);

    --radius: 14px;
    --radius-lg: 20px;
    --radius-pill: 999px;
}

html {
    background: linear-gradient(180deg, var(--bg-grad-top) 0%, var(--bg-grad-bot) 100%);
    min-height: 100%;
}
body {
    background: transparent;        /* 关键：让背后的 canvas 粒子能透出来 */
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.55;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =========================================================
   动态淡彩极光背景：飘移 + 微光粒子
   ========================================================= */

.bg-aurora {
    position: fixed;
    inset: -10%;
    z-index: -3;
    pointer-events: none;
    background:
        radial-gradient(60% 50% at 18% 22%, rgba(107, 182, 255, 0.40), transparent 60%),
        radial-gradient(55% 50% at 82% 28%, rgba(180, 150, 255, 0.32), transparent 60%),
        radial-gradient(60% 60% at 50% 92%, rgba(255, 175, 220, 0.22), transparent 60%),
        radial-gradient(45% 45% at 30% 80%, rgba(255, 220, 130, 0.18), transparent 60%);
    filter: blur(60px) saturate(1.1);
    animation: auroraDrift 28s ease-in-out infinite alternate;
    will-change: transform;
}

@keyframes auroraDrift {
    0%   { transform: translate(0, 0) scale(1) rotate(0deg); }
    25%  { transform: translate(-2%, 2%) scale(1.05) rotate(8deg); }
    50%  { transform: translate(3%, -2%) scale(1.02) rotate(-6deg); }
    75%  { transform: translate(-1%, 3%) scale(1.07) rotate(4deg); }
    100% { transform: translate(2%, -1%) scale(1.03) rotate(-3deg); }
}

/* 静态星点（保留作为兜底，不与 canvas 同时使用） */
.bg-stars {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background-image:
        radial-gradient(1.4px 1.4px at 12% 18%, rgba(45,140,240,.45), transparent 60%),
        radial-gradient(1px 1px at 38% 8%, rgba(124,77,255,.35), transparent 60%),
        radial-gradient(1.6px 1.6px at 64% 22%, rgba(45,140,240,.55), transparent 60%),
        radial-gradient(1px 1px at 84% 14%, rgba(255,180,220,.45), transparent 60%),
        radial-gradient(1.2px 1.2px at 22% 42%, rgba(45,140,240,.35), transparent 60%),
        radial-gradient(1.6px 1.6px at 76% 48%, rgba(124,77,255,.4), transparent 60%),
        radial-gradient(1px 1px at 8% 62%, rgba(45,140,240,.3), transparent 60%),
        radial-gradient(1.3px 1.3px at 48% 70%, rgba(255,180,220,.4), transparent 60%),
        radial-gradient(1.6px 1.6px at 90% 78%, rgba(45,140,240,.45), transparent 60%),
        radial-gradient(1px 1px at 28% 88%, rgba(124,77,255,.35), transparent 60%),
        radial-gradient(1.2px 1.2px at 68% 92%, rgba(45,140,240,.4), transparent 60%);
    opacity: .35;
    animation: starsTwinkle 5s ease-in-out infinite alternate;
}

@keyframes starsTwinkle {
    0%   { opacity: .18; }
    100% { opacity: .45; }
}

/* Canvas 粒子星网（动态） */
canvas.bg-particles {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;            /* 提到 veil 之上，确保不被白纱遮住 */
    pointer-events: none;
    display: block;
    opacity: 1;
}

.bg-veil {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background:
        linear-gradient(180deg, rgba(255,255,255, 0.30) 0%, transparent 22%, transparent 78%, rgba(255,255,255, 0.45) 100%);
}

/* ======== 科技感 流光扫线（横向 + 斜向） ======== */
.bg-beams {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    overflow: hidden;
}
.bg-beams::before,
.bg-beams::after {
    content: '';
    position: absolute;
    width: 200%;
    height: 1px;
    left: -50%;
    background: linear-gradient(90deg, transparent 0%, rgba(45,140,240,0) 30%, rgba(107,182,255,.55) 50%, rgba(45,140,240,0) 70%, transparent 100%);
    filter: blur(0.4px);
    animation: beamSweep 9s linear infinite;
}
.bg-beams::before { top: 22%; transform: rotate(-2deg); animation-delay: 0s; }
.bg-beams::after  { top: 68%; transform: rotate(1.5deg); animation-delay: 4.5s; opacity: .6; }
@keyframes beamSweep {
    0%   { transform: translateX(-30%) rotate(-2deg); opacity: 0; }
    20%  { opacity: 1; }
    80%  { opacity: 1; }
    100% { transform: translateX(30%) rotate(-2deg); opacity: 0; }
}

/* 网格底纹 — 微弱不抢戏 */
.bg-grid {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(45,140,240,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(45,140,240,.05) 1px, transparent 1px);
    background-size: 38px 38px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
    opacity: .55;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; color: inherit; }
::selection { background: rgba(45, 140, 240, .25); }

.no-image-save {
    -webkit-user-select: none;
    user-select: none;
    pointer-events: auto;
    -webkit-user-drag: none;
}

/* =========================================================
   顶部技术支持 LED 灯条（硬编码 / 不可被后台关闭）
   ========================================================= */
.tech-led-bar {
    position: relative;
    z-index: 50;
    width: 100%;
    padding: 8px 14px;
    text-align: center;
    font-size: 12.5px;
    font-weight: 700;
    color: #fff8d8;
    letter-spacing: 1px;
    background:
        linear-gradient(90deg,
            #2a1500 0%,
            #5a2a00 20%,
            #b06a00 50%,
            #5a2a00 80%,
            #2a1500 100%);
    border-bottom: 1px solid rgba(255, 200, 0, .35);
    box-shadow:
        0 2px 14px rgba(255, 165, 0, .35),
        inset 0 1px 0 rgba(255, 220, 120, .35),
        inset 0 -1px 0 rgba(0, 0, 0, .35);
    overflow: hidden;
    isolation: isolate;
    animation: techLedBreath 2.4s ease-in-out infinite alternate;
}
.tech-led-bar::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        radial-gradient(circle, rgba(255, 215, 0, .08) 1px, transparent 1.4px);
    background-size: 8px 8px;
    background-position: 0 0;
    opacity: .55;
    mix-blend-mode: screen;
}
.tech-led-shine {
    position: absolute;
    top: 0; bottom: 0; left: -40%;
    width: 35%;
    background: linear-gradient(120deg, transparent, rgba(255, 240, 180, .55), transparent);
    transform: skewX(-22deg);
    pointer-events: none;
    animation: techLedSweep 4.2s ease-in-out infinite;
    will-change: transform;
}
.tech-led-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px; height: 18px;
    margin-right: 6px;
    color: #fff5b0;
    text-shadow: 0 0 6px rgba(255, 200, 60, .9), 0 0 14px rgba(255, 140, 0, .65);
    animation: techLedFlicker 1.8s ease-in-out infinite;
    vertical-align: -3px;
}
.tech-led-text {
    display: inline-block;
    background: linear-gradient(90deg, #fff7c0, #ffd56b 35%, #ffb700 60%, #fff5b0 100%);
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 6px rgba(255, 180, 40, .55));
    text-shadow: 0 0 0 transparent;
}
.tech-led-id {
    display: inline-block;
    margin: 0 4px;
    padding: 1px 9px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(255, 230, 130, .25), rgba(255, 165, 0, .35));
    border: 1px solid rgba(255, 220, 120, .55);
    color: #fff5b0;
    -webkit-text-fill-color: #fff5b0;
    font-family: -apple-system, "Segoe UI Mono", "Menlo", monospace;
    letter-spacing: 1.5px;
    font-weight: 800;
    cursor: pointer;
    transition: transform .15s, box-shadow .25s, background .2s;
    box-shadow: 0 0 10px rgba(255, 180, 50, .35), inset 0 1px 0 rgba(255, 240, 180, .35);
}
.tech-led-id:hover {
    transform: translateY(-1px) scale(1.04);
    box-shadow: 0 0 16px rgba(255, 200, 80, .65), inset 0 1px 0 rgba(255, 250, 220, .55);
}
.tech-led-copy {
    margin-left: 4px;
    font-size: 11px;
    color: #ffe28a;
    cursor: pointer;
    transition: opacity .2s;
    opacity: .8;
}
.tech-led-copy:hover { opacity: 1; }

@keyframes techLedSweep {
    0%   { transform: translateX(0)    skewX(-22deg); opacity: 0; }
    15%  { opacity: 1; }
    60%  { opacity: 1; }
    100% { transform: translateX(360%) skewX(-22deg); opacity: 0; }
}
@keyframes techLedBreath {
    0%   { box-shadow: 0 2px 14px rgba(255, 165, 0, .35), inset 0 1px 0 rgba(255, 220, 120, .35), inset 0 -1px 0 rgba(0,0,0,.35); }
    100% { box-shadow: 0 2px 22px rgba(255, 200, 60, .60), inset 0 1px 0 rgba(255, 240, 180, .55), inset 0 -1px 0 rgba(0,0,0,.35); }
}
@keyframes techLedFlicker {
    0%, 100% { opacity: 1;   transform: scale(1); }
    48%      { opacity: .55; transform: scale(.96); }
    52%      { opacity: 1;   transform: scale(1.06); }
}

@media (max-width: 480px) {
    .tech-led-bar { font-size: 12px; padding: 7px 10px; letter-spacing: .5px; }
    .tech-led-id  { padding: 1px 7px; letter-spacing: 1px; }
}

/* =========================================================
   主容器 — 移动端铺满 / 桌面端居中
   ========================================================= */
.app-shell {
    width: 100%;
    max-width: 880px;
    margin: 0 auto;
    padding: 10px 12px calc(100px + env(safe-area-inset-bottom));
    position: relative;
}

/* =========================================================
   滚动入场动画
   ========================================================= */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================================
   品牌徽章栏 — 透明蓝玻璃
   ========================================================= */
.brand-bar {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 10px 4px 12px;
    flex-wrap: wrap;
}
.brand-pill {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(45,140,240,0.78) 0%, rgba(25,118,210,0.85) 100%);
    color: #fff;
    padding: 6px 16px 6px 8px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .5px;
    border: 1px solid rgba(255,255,255,.45);
    box-shadow:
        0 6px 18px rgba(45,140,240,.30),
        inset 0 1px 0 rgba(255,255,255,.55),
        inset 0 -10px 14px rgba(25,118,210,.22);
    transition: transform .25s, box-shadow .25s, background .25s;
    cursor: pointer;
    backdrop-filter: blur(14px) saturate(1.4);
    -webkit-backdrop-filter: blur(14px) saturate(1.4);
    overflow: hidden;
    isolation: isolate;
}
.brand-pill::before {
    content: '';
    position: absolute;
    top: 0; left: -120%;
    width: 60%; height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255,255,255,.55), transparent);
    transform: skewX(-22deg);
    transition: left .9s cubic-bezier(.2,.7,.2,1);
    pointer-events: none;
}
.brand-pill:hover {
    transform: translateY(-2px);
    box-shadow:
        0 10px 26px rgba(45,140,240,.42),
        inset 0 1px 0 rgba(255,255,255,.65),
        0 0 22px rgba(107,182,255,.45);
}
.brand-pill:hover::before { left: 130%; }
.brand-pill .pill-logo {
    width: 28px; height: 28px;
    border-radius: 50%;
    overflow: hidden;
    background: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: #1d2a4d;
    font-weight: 800;
    flex-shrink: 0;
    box-shadow: 0 0 0 2px rgba(255,255,255,.35), 0 2px 6px rgba(0,0,0,.18);
}
.brand-pill .pill-logo img { width: 100%; height: 100%; object-fit: cover; }
.brand-pill .pill-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-pill .pill-text .pill-sub { font-size: 10px; opacity: .85; font-weight: 500; letter-spacing: 1.2px; }

/* =========================================================
   Hero 横幅
   ========================================================= */
.hero {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: linear-gradient(135deg, #2a1a6c 0%, #4a25a8 35%, #ff5db1 100%);
    box-shadow: 0 12px 32px rgba(60, 40, 140, .25), 0 0 0 1px rgba(255,255,255,.4);
    isolation: isolate;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(80% 60% at 50% 20%, rgba(255,255,255,.18), transparent 60%);
    z-index: 2;
}
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    border-radius: inherit;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.22);
    z-index: 3;
}
.hero-carousel {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}
.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: scale(1.04);
    transition: opacity .8s ease, transform 6s ease;
    cursor: pointer;
}
.hero-slide.active {
    opacity: 1;
    transform: scale(1);
    z-index: 1;
    animation: kenBurns 12s ease-in-out infinite alternate;
}
@keyframes kenBurns {
    0%   { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.08) translate(-1.5%, -1%); }
}
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }

.hero-placeholder {
    width: 100%; height: 100%;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    color: #fff; text-align: center; padding: 24px;
    background:
        radial-gradient(ellipse at 50% 30%, rgba(255,255,255,.18), transparent 60%),
        linear-gradient(135deg, #2a1a6c 0%, #4a25a8 35%, #ff5db1 100%);
}
.hero-placeholder .crown {
    width: 86px; height: 86px;
    background: linear-gradient(135deg, #fff7c0, var(--gold) 50%, var(--gold-deep));
    border-radius: 18px;
    display: flex; align-items: center; justify-content: center;
    color: #2a1500; font-weight: 900; font-size: 22px;
    margin-bottom: 12px; letter-spacing: 1px;
    box-shadow: 0 10px 24px rgba(255,180,0,.45), inset 0 -3px 6px rgba(122,70,0,.4);
}
.hero-placeholder .crown small { display:block; font-size: 9px; letter-spacing: 2px; margin-top: 2px;}
.hero-placeholder h1 {
    font-size: clamp(26px, 5vw, 40px);
    font-weight: 900;
    background: linear-gradient(180deg, #fff8d8 0%, var(--gold) 50%, var(--gold-deep) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    line-height: 1.1;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,.3));
}
.hero-placeholder .hero-tag {
    margin-top: 10px;
    background: rgba(255,255,255,.10);
    border: 1px solid rgba(255,255,255,.30);
    backdrop-filter: blur(4px);
    padding: 4px 16px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    color: #fff;
}

.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 34px; height: 34px;
    border-radius: 50%;
    background: rgba(255,255,255,.18);
    border: 1px solid rgba(255,255,255,.40);
    backdrop-filter: blur(6px);
    color: #fff;
    font-size: 18px;
    display: flex; align-items: center; justify-content: center;
    z-index: 5;
    transition: background .2s, transform .2s;
}
.hero-arrow:hover { background: rgba(255,255,255,.32); transform: translateY(-50%) scale(1.06); }
.hero-arrow.prev { left: 10px; }
.hero-arrow.next { right: 10px; }

.hero-dots {
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    display: flex; gap: 6px;
    z-index: 5;
}
.hero-dots span {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: rgba(255,255,255,.45);
    transition: background .25s, width .25s;
    cursor: pointer;
}
.hero-dots span.active {
    background: #fff;
    width: 22px;
    border-radius: var(--radius-pill);
    box-shadow: 0 0 10px rgba(255,255,255,.6);
}

@media (max-width: 480px) {
    .hero-arrow { width: 30px; height: 30px; font-size: 16px; }
}

/* =========================================================
   跑马灯 — LIVE 直播台风格
   ========================================================= */
.marquee-bar {
    position: relative;
    margin-top: 14px;
    background:
        linear-gradient(90deg, rgba(255,255,255,.95) 0%, rgba(245,249,255,.92) 100%);
    border: 1px solid rgba(45,140,240,.22);
    border-radius: var(--radius);
    padding: 10px 14px 10px 12px;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 4px 14px rgba(45,140,240,.10), inset 0 1px 0 rgba(255,255,255,.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    isolation: isolate;
}
/* 顶部一条彩色高光线 */
.marquee-bar::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(45,140,240,.55) 30%, rgba(255,107,53,.55) 70%, transparent);
    opacity: .9;
}
/* 内层呼吸光晕 */
.marquee-bar::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(120% 100% at 0% 50%, rgba(45,140,240,.10), transparent 50%);
    pointer-events: none;
    animation: marqueeGlow 4s ease-in-out infinite alternate;
}
@keyframes marqueeGlow {
    0%   { opacity: .55; }
    100% { opacity: 1; }
}

/* LIVE 红点 + 文案 */
.marquee-bar .live-dot {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: linear-gradient(135deg, #ff5252, #d32f2f);
    color: #fff;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1.5px;
    padding: 3px 8px 3px 18px;
    border-radius: var(--radius-pill);
    box-shadow: 0 2px 6px rgba(229,57,53,.45), inset 0 1px 0 rgba(255,255,255,.35);
    position: relative;
}
.marquee-bar .live-dot::before {
    content: '';
    position: absolute;
    left: 7px; top: 50%;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: #fff;
    transform: translateY(-50%);
    box-shadow: 0 0 0 0 rgba(255,255,255,.7);
    animation: liveBlink 1.2s ease-in-out infinite;
}
@keyframes liveBlink {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255,255,255,.85); opacity: 1; }
    50%      { box-shadow: 0 0 0 6px rgba(255,255,255,0);  opacity: .55; }
}

.marquee-bar .megaphone {
    flex-shrink: 0;
    color: var(--primary);
    font-size: 15px;
    filter: drop-shadow(0 0 6px rgba(45,140,240,.5));
    animation: hornPulse 1.6s ease-in-out infinite;
}
@keyframes hornPulse {
    0%, 100% { transform: rotate(-8deg) scale(1); }
    50%      { transform: rotate(8deg) scale(1.08); }
}

.marquee-track {
    flex: 1;
    overflow: hidden;
    white-space: nowrap;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: .8px;
    background: linear-gradient(90deg, #ff6b35 0%, #f59e0b 30%, #ff5252 60%, #ff6b35 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: marqueeColor 6s linear infinite;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
            mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
@keyframes marqueeColor {
    0%   { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}
.marquee-inner {
    display: inline-block;
    padding-left: 100%;
    animation: marquee 22s linear infinite;
}
@keyframes marquee {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}
.marquee-bar:hover .marquee-inner { animation-play-state: paused; }

/* =========================================================
   快捷按钮 — 蓝色渐变 + 高光扫光
   ========================================================= */
.quick-buttons {
    margin-top: 14px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    display: flex;
    gap: 10px;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}
.quick-btn {
    position: relative;
    flex: 1;
    max-width: 150px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 50%, var(--primary-dark) 100%);
    color: #fff;
    text-align: center;
    padding: 10px 14px;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    box-shadow: 0 6px 16px rgba(45, 140, 240, .35), inset 0 1px 0 rgba(255,255,255,.35);
    overflow: hidden;
    transition: transform .15s, box-shadow .25s;
    cursor: pointer;
}
.quick-btn::after {
    content: '';
    position: absolute;
    top: 0; left: -120%;
    width: 60%; height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255,255,255,.55), transparent);
    transform: skewX(-22deg);
    transition: left .8s cubic-bezier(.2,.7,.2,1);
}
.quick-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(45,140,240,.45), inset 0 1px 0 rgba(255,255,255,.35); }
.quick-btn:hover::after { left: 130%; }
.quick-btn:active { transform: scale(0.97); }

/* =========================================================
   区块标题 — 流光下划线 + 左右装饰菱形 + 标题呼吸光
   ========================================================= */
.section { margin-top: 26px; }
.section-title {
    text-align: center;
    font-size: 18px;
    font-weight: 800;
    color: #18243a;
    letter-spacing: 2px;
    position: relative;
    padding: 14px 0 16px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
}
/* 标题文字本身：背景流光 + 极淡呼吸 */
.section-title .title-text {
    position: relative;
    background: linear-gradient(100deg, #18243a 0%, #2D8CF0 50%, #18243a 100%);
    background-size: 220% 100%;
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: titleHueShift 6s linear infinite;
    text-shadow: 0 0 18px rgba(45,140,240,.0);
    filter: drop-shadow(0 0 0 transparent);
}
@keyframes titleHueShift {
    0%   { background-position: 0% 50%; }
    100% { background-position: 220% 50%; }
}

/* 左右两条装饰短线（中间一颗菱形） */
.section-title .deco {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    width: 70px;
    height: 12px;
    position: relative;
}
.section-title .deco::before {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(45,140,240,.55));
}
.section-title .deco::after {
    content: '';
    width: 6px; height: 6px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    transform: rotate(45deg);
    box-shadow: 0 0 8px rgba(45,140,240,.55);
    flex-shrink: 0;
    animation: decoBlink 2.4s ease-in-out infinite;
}
.section-title .deco.right { flex-direction: row-reverse; }
.section-title .deco.right::before {
    background: linear-gradient(90deg, rgba(45,140,240,.55), transparent);
}
@keyframes decoBlink {
    0%, 100% { opacity: 1;   transform: rotate(45deg) scale(1); }
    50%      { opacity: .55; transform: rotate(45deg) scale(.85); }
}

/* 下划线：双层 + 扫光 */
.section-title::before,
.section-title::after {
    position: absolute;
    bottom: 4px;
    left: 50%;
    border-radius: 2px;
    transform: translateX(-50%);
    content: '';
    pointer-events: none;
}
.section-title::before {
    width: 120px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary) 35%, var(--primary-light) 50%, var(--primary) 65%, transparent);
    box-shadow: 0 0 14px rgba(45,140,240,.6);
}
/* 真正的扫光小条 — 在下划线上来回滑 */
.section-title::after {
    width: 30px;
    height: 3px;
    bottom: 3px;
    background: linear-gradient(90deg, transparent, #fff, transparent);
    box-shadow: 0 0 14px #fff, 0 0 22px var(--primary-light);
    border-radius: 4px;
    animation: titleSweep 3.8s cubic-bezier(.5,0,.5,1) infinite;
    opacity: .9;
    mix-blend-mode: screen;
}
@keyframes titleSweep {
    0%   { transform: translateX(-90px); opacity: 0; }
    20%  { opacity: 1; }
    80%  { opacity: 1; }
    100% { transform: translateX(60px);  opacity: 0; }
}

/* =========================================================
   游戏卡片 — 白色 + 玻璃高光 + 蓝色文字
   ========================================================= */
.card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}
/* 手机端：保持双列，跟桌面一致；只把间距收紧一点 */
@media (max-width: 480px) {
    .card-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}
/* 极窄屏（≤320px）实在塞不下时再降级单列 */
@media (max-width: 320px) {
    .card-grid { grid-template-columns: 1fr; }
}

.game-card {
    position: relative;
    background: linear-gradient(180deg, #ffffff 0%, #f6faff 100%);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px;
    box-shadow: var(--shadow);
    transition: transform .25s cubic-bezier(.2,.7,.2,1), box-shadow .35s, border-color .35s;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    isolation: isolate;
}
.game-card::before {
    content: '';
    position: absolute;
    top: 0; left: 14%; right: 14%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(45,140,240,.35), transparent);
    pointer-events: none;
}
.game-card::after {
    content: '';
    position: absolute;
    top: -40%; left: -20%;
    width: 100%; height: 100%;
    background: radial-gradient(closest-side, rgba(45,140,240,.16), transparent 70%);
    pointer-events: none;
    z-index: -1;
    opacity: 0;
    transition: opacity .35s;
}
.game-card:hover {
    transform: translateY(-4px);
    border-color: rgba(45,140,240,.45);
    box-shadow: var(--shadow-hi);
}
.game-card:hover::after { opacity: 1; }
.game-card:active { transform: translateY(-1px) scale(0.99); }

.game-card-row {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 12px;
}
.game-card-logo {
    width: 58px; height: 58px;
    border-radius: 50%;
    overflow: hidden;
    background: linear-gradient(135deg, #d6e6ff, #f3e6ff);
    flex-shrink: 0;
    border: 2px solid #fff;
    box-shadow: 0 3px 8px rgba(60,100,200,.15);
    display: flex; align-items: center; justify-content: center;
}
.game-card-logo img { width: 100%; height: 100%; object-fit: cover; }
.game-card-logo .placeholder {
    color: var(--primary-dark);
    font-weight: 800;
    font-size: 14px;
}

.game-card-info { flex: 1; min-width: 0; padding-top: 2px; }
.game-card-title {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: .5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.25;
    /* 通用流光机制 — 仅设变量，每种颜色提供 --grad */
    background: var(--grad, linear-gradient(100deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-dark) 100%));
    background-size: 200% 100%;
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: titleShine 6s linear infinite;
}
@keyframes titleShine {
    0%   { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

/* —— 多色调色板（后台可选） —— */
.game-card-title.color-red    { --grad: linear-gradient(100deg, #ff3b30 0%, #ff6b35 25%, #ffb400 50%, #ff6b35 75%, #ff3b30 100%); filter: drop-shadow(0 1px 2px rgba(255,90,40,.30)); animation-duration: 4s; }
.game-card-title.color-blue   { --grad: linear-gradient(100deg, #1976D2 0%, #2D8CF0 50%, #1976D2 100%); filter: drop-shadow(0 1px 2px rgba(45,140,240,.30)); }
.game-card-title.color-gold   { --grad: linear-gradient(100deg, #d97706 0%, #fbbf24 30%, #fff7c0 50%, #fbbf24 70%, #d97706 100%); filter: drop-shadow(0 1px 2px rgba(217,119,6,.35)); animation-duration: 4s; }
.game-card-title.color-purple { --grad: linear-gradient(100deg, #6d28d9 0%, #a855f7 50%, #6d28d9 100%); filter: drop-shadow(0 1px 2px rgba(124,58,237,.30)); }
.game-card-title.color-green  { --grad: linear-gradient(100deg, #059669 0%, #10b981 50%, #059669 100%); filter: drop-shadow(0 1px 2px rgba(16,185,129,.30)); }
.game-card-title.color-orange { --grad: linear-gradient(100deg, #ea580c 0%, #fb923c 50%, #ea580c 100%); filter: drop-shadow(0 1px 2px rgba(249,115,22,.30)); }
.game-card-title.color-pink   { --grad: linear-gradient(100deg, #db2777 0%, #f472b6 50%, #db2777 100%); filter: drop-shadow(0 1px 2px rgba(219,39,119,.30)); }
.game-card-title.color-cyan   { --grad: linear-gradient(100deg, #0891b2 0%, #22d3ee 50%, #0891b2 100%); filter: drop-shadow(0 1px 2px rgba(8,145,178,.30)); }
.game-card-tag {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.game-card-rating {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-light);
}
.stars {
    color: var(--gold);
    letter-spacing: 1.5px;
    font-size: 13px;
    filter: drop-shadow(0 0 3px rgba(255,180,0,.4));
}

.game-card-btn {
    position: relative;
    width: 100%;
    padding: 10px 12px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 50%, var(--primary-dark) 100%);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    border-radius: var(--radius-pill);
    box-shadow: 0 6px 14px rgba(45,140,240,.35), inset 0 1px 0 rgba(255,255,255,.35);
    transition: transform .15s, box-shadow .25s;
    margin-top: auto;
    overflow: hidden;
}
.game-card-btn::after {
    content: '';
    position: absolute;
    top: 0; left: -120%;
    width: 60%; height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255,255,255,.55), transparent);
    transform: skewX(-22deg);
    transition: left .9s cubic-bezier(.2,.7,.2,1);
    pointer-events: none;
}
.game-card-btn:hover { transform: translateY(-1px); box-shadow: 0 10px 20px rgba(45,140,240,.45), inset 0 1px 0 rgba(255,255,255,.35); }
.game-card-btn:hover::after { left: 130%; }
.game-card-btn:active { transform: scale(0.97); }

.empty-cell {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-light);
    padding: 40px 0;
}

/* =========================================================
   底部
   ========================================================= */
.site-footer {
    margin-top: 36px;
    text-align: center;
    color: var(--text-light);
    font-size: 12px;
    line-height: 1.9;
    padding: 22px 0 30px;
    position: relative;
}
.site-footer::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 60%; max-width: 320px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(45,140,240,.35), transparent);
}
.site-footer .foot-line { display: block; }
.site-footer .copyright { margin-top: 8px; opacity: .6; letter-spacing: 1px; }
.site-footer .footer-emoji { color: var(--primary); margin: 0 4px; opacity: .65; }

/* =========================================================
   浮动客服按钮 — 蓝渐变 + 多层脉冲圈
   ========================================================= */
.chat-float-btn {
    position: fixed;
    right: 18px;
    bottom: 90px;
    width: 56px; height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: #fff;
    box-shadow: 0 10px 26px rgba(45, 140, 240, .55), 0 0 0 1px rgba(255,255,255,.35);
    z-index: 100;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px;
    transition: transform .2s;
}
.chat-float-btn::before,
.chat-float-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    pointer-events: none;
    border: 2px solid rgba(45, 140, 240, .55);
    animation: chatPulse 2.4s ease-out infinite;
}
.chat-float-btn::after { animation-delay: 1.2s; border-color: rgba(107, 182, 255, .7); }
@keyframes chatPulse {
    0%   { transform: scale(1);   opacity: .9; }
    100% { transform: scale(1.7); opacity: 0; }
}
.chat-float-btn:hover { transform: scale(1.06); }
.chat-float-btn:active { transform: scale(0.94); }
.chat-float-btn .chat-badge {
    position: absolute;
    top: -2px; right: -2px;
    background: var(--red);
    color: #fff;
    border-radius: var(--radius-pill);
    font-size: 10px;
    padding: 0 6px;
    height: 18px; line-height: 18px;
    min-width: 18px;
    text-align: center;
    font-weight: 700;
    display: none;
    box-shadow: 0 2px 6px rgba(229,57,53,.35);
    z-index: 2;
}
.chat-float-btn .chat-badge.show { display: block; }

/* =========================================================
   客服聊天窗口
   ========================================================= */
.chat-window {
    position: fixed;
    right: 18px;
    bottom: 156px;
    width: 320px;
    max-width: calc(100vw - 36px);
    height: 440px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0,0,0,.18);
    display: none;
    flex-direction: column;
    z-index: 200;
    overflow: hidden;
}
.chat-window.active {
    display: flex;
    animation: popIn .25s ease;
}
.chat-header {
    padding: 14px 16px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: #fff;
    font-weight: 700;
    letter-spacing: 1px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.chat-close { color: #fff; font-size: 22px; line-height: 1; }
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 14px;
    background: #f7faff;
}
.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-thumb { background: rgba(45,140,240,.25); border-radius: 4px; }
.chat-welcome { text-align: center; color: var(--text-light); padding: 30px 0; }
.chat-welcome-icon { font-size: 36px; margin-bottom: 8px; filter: drop-shadow(0 0 8px rgba(45,140,240,.35)); }
.chat-msg { margin-bottom: 12px; max-width: 80%; }
.chat-msg.user { margin-left: auto; }
.chat-msg-bubble {
    padding: 9px 13px;
    border-radius: 14px;
    font-size: 13px;
    word-break: break-word;
    line-height: 1.55;
}
.chat-msg.user .chat-msg-bubble {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: #fff;
    box-shadow: 0 4px 10px rgba(45,140,240,.35);
}
.chat-msg.admin .chat-msg-bubble {
    background: #fff;
    color: var(--text);
    border: 1px solid var(--border);
}
.chat-msg-time { font-size: 10px; color: var(--text-faint); margin-top: 4px; text-align: right; }
.chat-msg.admin .chat-msg-time { text-align: left; }
.chat-input-area {
    display: flex;
    padding: 10px;
    border-top: 1px solid var(--border);
    gap: 8px;
    background: #fff;
}
.chat-input {
    flex: 1;
    background: #f6faff;
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    padding: 9px 14px;
    font-size: 13px;
    color: var(--text);
    outline: none;
    transition: border-color .2s, background .2s;
}
.chat-input:focus { border-color: var(--primary); background: #fff; }
.chat-send {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: #fff;
    border-radius: var(--radius-pill);
    padding: 0 18px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    box-shadow: 0 4px 10px rgba(45,140,240,.3);
}

/* =========================================================
   公告弹窗
   ========================================================= */
.announcement-popup {
    position: fixed;
    inset: 0;
    background: rgba(20, 30, 60, 0.50);
    z-index: 500;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.announcement-popup.active { display: flex; }
.announcement-box {
    background: #fff;
    border-radius: 18px;
    width: 100%;
    max-width: 360px;
    overflow: hidden;
    animation: popIn .3s ease;
    box-shadow: 0 30px 60px rgba(0,0,0,.30), 0 0 0 1px rgba(45,140,240,.15);
}
@keyframes popIn { from { opacity:0; transform: scale(0.92);} to { opacity: 1; transform: scale(1);} }
.announcement-box-header {
    padding: 22px 18px 8px;
    text-align: center;
}
.announcement-box-logo {
    width: 64px; height: 64px;
    border-radius: 50%;
    margin: 0 auto 10px;
    overflow: hidden;
    background: var(--bg-base);
    box-shadow: 0 4px 12px rgba(45,140,240,.18);
}
.announcement-box-logo img { width: 100%; height: 100%; object-fit: cover; }
.announcement-box-title {
    font-size: 17px;
    font-weight: 800;
    color: var(--primary-dark);
    letter-spacing: 1px;
}
.announcement-box-body {
    padding: 8px 22px 16px;
    color: #444;
    font-size: 13px;
    line-height: 1.8;
    white-space: pre-line;
    text-align: center;
}
.announcement-box-date {
    text-align: center;
    color: var(--text-faint);
    font-size: 12px;
    padding-bottom: 16px;
}
.announcement-box-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: #fff;
    font-weight: 700;
    letter-spacing: 4px;
}

/* =========================================================
   Toast
   ========================================================= */
.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(20, 30, 60, 0.92);
    color: #fff;
    padding: 10px 18px;
    border-radius: var(--radius-pill);
    z-index: 1000;
    font-size: 13px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(0,0,0,.25);
}
.toast.show { opacity: 1; }

/* =========================================================
   联系客服区
   ========================================================= */
.contact-page { padding: 16px 0; }
.contact-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px;
    margin-bottom: 14px;
    box-shadow: var(--shadow);
    transition: transform .25s, box-shadow .25s;
}
.contact-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hi);
}
.contact-row {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 14px;
}
.contact-icon-wrap {
    width: 46px; height: 46px;
    background: linear-gradient(135deg, rgba(45,140,240,.15), rgba(124,77,255,.15));
    border-radius: 13px;
    display: flex; align-items: center; justify-content: center;
    color: var(--primary);
    font-size: 20px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.6);
}
.contact-name { font-size: 15px; font-weight: 700; color: var(--text); }
.contact-sub { font-size: 12px; color: var(--text-light); margin-top: 2px; }
.contact-account-row {
    display: flex; align-items: center; justify-content: space-between;
    background: #f6faff;
    border: 1px dashed var(--border-strong);
    border-radius: 10px;
    padding: 8px 12px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text);
    letter-spacing: .5px;
    word-break: break-all;
    gap: 10px;
}
.copy-btn {
    background: rgba(45,140,240,.10);
    color: var(--primary);
    border: 1px solid rgba(45,140,240,.35);
    padding: 5px 12px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
    transition: background .2s;
}
.copy-btn:hover { background: rgba(45,140,240,.18); }
.contact-btn-row {
    display: flex; gap: 10px;
}
.contact-btn {
    flex: 1;
    padding: 10px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 700;
    text-align: center;
    letter-spacing: 1px;
    transition: transform .15s;
    cursor: pointer;
}
.contact-btn:active { transform: scale(0.97); }
.contact-btn.primary {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: #fff;
    box-shadow: 0 6px 14px rgba(45,140,240,.35);
}
.contact-btn.outline {
    background: #fff;
    color: var(--primary);
    border: 1px solid var(--border-strong);
}
.contact-btn.outline:hover { background: #f6faff; }

/* =========================================================
   📱 移动端 / 触屏增强
   - hover 效果只在真鼠标设备生效，避免点完留高亮
   - 兼容刘海屏底部安全区 (env(safe-area-inset-bottom))
   - 360px 以下小屏字号/间距收紧
   ========================================================= */

/* 触屏设备：取消 hover 抖动，避免点击后 transform 卡住 */
@media (hover: none) {
    .brand-pill:hover,
    .quick-btn:hover,
    .game-card:hover,
    .copy-btn:hover,
    .contact-btn.outline:hover,
    .chat-float-btn:hover { transform: none; background-color: initial; }

    .game-card:hover { box-shadow: var(--shadow-sm); }
}

/* 客服浮按 / 聊天窗 — iOS Home Bar 安全区 */
.chat-float-btn {
    bottom: calc(90px + env(safe-area-inset-bottom));
    right: calc(18px + env(safe-area-inset-right));
}
.chat-window {
    bottom: calc(156px + env(safe-area-inset-bottom));
    right: calc(18px + env(safe-area-inset-right));
}

/* ≤480px：常见手机宽度优化（铺满、不留白边） */
@media (max-width: 480px) {
    /* —— 整体间距收紧 —— */
    .app-shell { padding: 6px 8px calc(92px + env(safe-area-inset-bottom)); }
    .section { margin-top: 16px; }
    .section-title { font-size: 16px; letter-spacing: 1.5px; padding: 8px 0 6px; margin-bottom: 10px; }

    /* —— 顶部品牌徽章 —— */
    .brand-bar { gap: 8px; padding: 6px 2px 8px; }
    .brand-pill { padding: 6px 12px 6px 6px; font-size: 12px; }
    .brand-pill .pill-logo { width: 24px; height: 24px; }

    /* —— Hero 横幅：变矮一些（21:9 而不是 16:9）—— */
    .hero-carousel { aspect-ratio: 21 / 9; }
    .hero-placeholder .crown { width: 64px; height: 64px; font-size: 18px; margin-bottom: 8px; }
    .hero-placeholder h1 { font-size: clamp(22px, 7vw, 30px); letter-spacing: 1.5px; }
    .hero-placeholder .hero-tag { font-size: 11px; padding: 3px 12px; margin-top: 6px; }

    /* —— 跑马灯 LIVE 公告：加高 + 字号变大 —— */
    .marquee-bar { padding: 12px 14px; gap: 10px; margin-top: 10px; }
    .marquee-bar .live-dot { font-size: 10px; padding: 3px 9px 3px 19px; letter-spacing: 1.2px; }
    .marquee-track { font-size: 14px; letter-spacing: .8px; }

    /* —— 快捷按钮 —— */
    .quick-buttons { padding: 10px; gap: 8px; margin-top: 10px; }
    .quick-btn { max-width: none; letter-spacing: 1px; padding: 11px 6px; font-size: 13px; }

    /* —— 卡片：双列布局，信息紧凑但不挤 —— */
    .game-card { padding: 11px 10px 10px; }
    .game-card-row { gap: 8px; margin-bottom: 8px; align-items: flex-start; }
    .game-card-logo { width: 44px; height: 44px; border-width: 1.5px; }
    .game-card-logo .placeholder { font-size: 12px; }
    .game-card-title { font-size: 14px; letter-spacing: .3px; }
    .game-card-tag { font-size: 11px; }
    .game-card-rating { font-size: 11px; gap: 4px; margin-top: 2px; }
    .game-card-btn { padding: 9px 8px; font-size: 13px; letter-spacing: .8px; }

    /* —— 弹窗 / 客服等 —— */
    .chat-window { width: 100%; max-width: calc(100vw - 24px); height: 65vh; right: 12px; }
    .announcement-box { width: 92%; }
    .contact-card { padding: 14px; }
    .contact-icon { width: 38px; height: 38px; font-size: 18px; }
    .contact-name { font-size: 14px; }
    .contact-btn { font-size: 12px; padding: 9px; letter-spacing: .5px; }
}

/* ≤360px：极窄屏（iPhone SE 第一代/折叠机外屏等） */
@media (max-width: 360px) {
    .quick-btn { font-size: 12px; letter-spacing: .5px; padding: 10px 4px; }
    .quick-btn .icon-img { width: 18px; height: 18px; }
    .card-grid { gap: 8px; }
    .game-card { padding: 9px 8px 8px; }
    .game-card-row { gap: 6px; }
    .game-card-logo { width: 38px; height: 38px; }
    .game-card-logo .placeholder { font-size: 11px; }
    .game-card-title { font-size: 13px; }
    .game-card-tag { font-size: 10px; }
    .game-card-rating { font-size: 10px; }
    .game-card-btn { font-size: 12px; padding: 8px 6px; letter-spacing: .5px; }
    .contact-account-row { font-size: 12px; padding: 7px 10px; }
    .marquee-track { font-size: 13px; letter-spacing: .5px; }
    .hero-placeholder h1 { font-size: clamp(20px, 6vw, 26px); }
}

/* 触摸目标 ≥ 40px（A11y / 易点击） */
@media (max-width: 480px) {
    .copy-btn,
    .hero-arrow,
    .chat-close { min-height: 36px; min-width: 36px; }
}

/* iOS 横屏：避免标题被刘海遮挡 */
@supports (padding: max(0px)) {
    .app-shell {
        padding-left: max(14px, env(safe-area-inset-left));
        padding-right: max(14px, env(safe-area-inset-right));
    }
}