/* ==========================================================
   战魂旅人 · 官网落地页样式
   移动端优先，无外部字体/依赖
   ========================================================== */

:root {
    --ink: #040814;
    --navy: #081026;
    --navy-2: #0d1834;
    --navy-3: #12224a;
    --gold: #f6c453;
    --gold-2: #ffe6a3;
    --cyan: #57d9d0;
    --text: #eaf1ff;
    --muted: #9dabc9;
    --line: rgba(255, 255, 255, .1);
    --card: rgba(255, 255, 255, .045);
    --radius: 18px;
    --radius-sm: 12px;
    --container: 1180px;
    --shadow: 0 24px 60px rgba(0, 0, 0, .45);
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 88px;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background: var(--ink);
    color: var(--text);
    font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

/* 仅以下区域允许选择文字：礼包码、客服、联系我们、页脚版权区 */
#gift,
#contact,
.footer-contact,
.footer-bottom,
input,
textarea,
select {
    -webkit-user-select: text;
    user-select: text;
    -webkit-touch-callout: default;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.25; font-weight: 800; letter-spacing: .5px; }
p { margin: 0 0 1em; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 999;
    background: var(--gold);
    color: #10131f;
    padding: 10px 18px;
    border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
}

/* ================= 顶部导航 ================= */
.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 100;
    transition: background .3s ease, box-shadow .3s ease, backdrop-filter .3s;
}
.site-header.is-scrolled {
    background: rgba(6, 12, 28, .82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, .35);
    border-bottom: 1px solid var(--line);
}

.nav-wrap {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 72px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex: none;
}
.brand-mark {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    font-size: 19px;
    color: #131a2c;
    background: linear-gradient(145deg, var(--gold-2), var(--gold));
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(246, 196, 83, .35);
}
.brand-logo {
    flex: none;
    width: auto;
    height: 72px;
    max-width: 300px;
    object-fit: contain;
    border-radius: 8px;
}
.brand-text {
    display: flex;
    flex-direction: column;
    margin: 0;
    font-size: 17px;
    font-weight: 800;
    letter-spacing: 2px;
    line-height: 1.15;
}
.brand-text small {
    font-size: 9px;
    letter-spacing: 3px;
    color: var(--gold);
    font-weight: 600;
    opacity: .85;
}

.nav {
    display: flex;
    align-items: center;
    gap: 26px;
    margin-left: auto;
    font-size: 15px;
}
.nav a {
    position: relative;
    color: rgba(234, 241, 255, .78);
    transition: color .2s;
}
.nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -6px;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s;
}
.nav a:hover { color: var(--gold-2); }
.nav a:hover::after { transform: scaleX(1); }

.nav-cta {
    flex: none;
    padding: 9px 20px;
    font-size: 14px;
    font-weight: 700;
    color: #151a28;
    background: linear-gradient(135deg, var(--gold-2), var(--gold));
    border-radius: 999px;
    box-shadow: 0 8px 22px rgba(246, 196, 83, .28);
    transition: transform .2s, box-shadow .2s;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(246, 196, 83, .4); }

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    flex: none;
    width: 42px;
    height: 42px;
    padding: 0;
    color: var(--gold-2);
    background: rgba(255, 255, 255, .06);
    border: 1px solid var(--line);
    border-radius: 12px;
    -webkit-appearance: none;
    appearance: none;
}
.nav-toggle svg {
    display: block;
    width: 22px;
    height: 22px;
}
.nav-toggle .ico-close { display: none; }
.nav-toggle[aria-expanded="true"] .ico-menu { display: none; }
.nav-toggle[aria-expanded="true"] .ico-close { display: block; }

/* ================= 公告（首屏背景上层） ================= */
.notice-bar {
    position: relative;
    z-index: 3;
    flex: none;
}
.notice-bar .container {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    max-width: 920px;
    padding: 10px 20px;
    font-size: 13px;
    line-height: 1.6;
    color: #fff3d4;
    background: rgba(8, 16, 34, .08);
    border: 1px solid rgba(246, 196, 83, .16);
    border-radius: 12px;
    box-shadow: none;
    text-shadow: 0 1px 3px rgba(0, 0, 0, .55);
}
.notice-bar p {
    margin: 0;
    min-width: 0;
    overflow-wrap: anywhere;
    word-break: break-word;
}
.notice-tag {
    flex: none;
    margin-top: 2px;
    padding: 1px 9px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    line-height: 1.6;
    color: #12182a;
    background: var(--gold);
    border-radius: 6px;
}

/* ================= 首屏 ================= */
.hero {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    min-height: 100vh;
    min-height: 100svh;
    padding: 84px 0 48px;
    overflow: hidden;
    background:
        radial-gradient(1200px 600px at 78% 12%, rgba(63, 118, 255, .22), transparent 62%),
        radial-gradient(900px 500px at 12% 82%, rgba(87, 217, 208, .14), transparent 60%),
        linear-gradient(160deg, #071026 0%, #040a17 55%, #050d20 100%);
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
/* 无黑边：同图模糊放大铺满底层 */
.hero-bg::before {
    content: "";
    position: absolute;
    inset: -48px;
    background-image: var(--hero-bg, none);
    background-size: cover;
    background-position: center top;
    filter: blur(14px) brightness(.78) saturate(1.15);
    transform: scale(1.05);
}
/* 完整显示：整图按比例显示，居中顶部对齐 */
.hero-photo {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center top;
    z-index: 1;
}
.hero-shade {
    position: absolute;
    inset: 0;
    z-index: 2;
    background:
        linear-gradient(90deg, rgba(4, 10, 23, .52) 0%, rgba(4, 10, 23, .22) 46%, rgba(4, 10, 23, 0) 78%, rgba(4, 10, 23, .04) 100%),
        linear-gradient(180deg, rgba(4, 10, 23, 0) 0%, rgba(4, 10, 23, .06) 55%, rgba(4, 10, 23, .62) 100%);
}
.hero-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .028) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .028) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(circle at 50% 40%, #000 20%, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at 50% 40%, #000 20%, transparent 80%);
}
.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: .55;
    z-index: 3;
    animation: float 14s ease-in-out infinite;
}
.glow-a {
    width: 460px;
    height: 460px;
    right: -80px;
    top: 2%;
    background: radial-gradient(circle, rgba(246, 196, 83, .5), transparent 68%);
}
.glow-b {
    width: 520px;
    height: 520px;
    left: -140px;
    bottom: -140px;
    background: radial-gradient(circle, rgba(64, 141, 255, .45), transparent 68%);
    animation-delay: -6s;
}
.star-field {
    position: absolute;
    inset: 0;
    z-index: 3;
    background-image:
        radial-gradient(1.6px 1.6px at 12% 22%, rgba(255, 255, 255, .75), transparent),
        radial-gradient(1.4px 1.4px at 32% 58%, rgba(255, 255, 255, .55), transparent),
        radial-gradient(1.8px 1.8px at 62% 18%, rgba(255, 230, 163, .8), transparent),
        radial-gradient(1.3px 1.3px at 82% 42%, rgba(255, 255, 255, .6), transparent),
        radial-gradient(1.5px 1.5px at 74% 78%, rgba(87, 217, 208, .7), transparent),
        radial-gradient(1.2px 1.2px at 46% 86%, rgba(255, 255, 255, .5), transparent);
    animation: twinkle 6s ease-in-out infinite alternate;
}

@keyframes float {
    0%, 100% { transform: translate3d(0, 0, 0); }
    50% { transform: translate3d(12px, -26px, 0); }
}
@keyframes twinkle {
    from { opacity: .55; }
    to { opacity: 1; }
}

.hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
    align-content: center;
    align-items: center;
    flex: 1 1 auto;
    padding-top: clamp(20px, 3.5vw, 36px);
    padding-bottom: clamp(20px, 3.5vw, 36px);
}
.hero-copy { max-width: 820px; }

.hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    margin-bottom: 20px;
    font-size: 13px;
    letter-spacing: 2px;
    color: var(--gold-2);
    background: rgba(246, 196, 83, .1);
    border-radius: 999px;
}
.hero-kicker::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold);
    box-shadow: 0 0 10px var(--gold);
}

.hero-sub {
    margin: 0 0 12px;
    font-size: clamp(1.4rem, 3.2vw, 2rem);
    font-weight: 800;
    letter-spacing: 2px;
    line-height: 1.3;
    background: linear-gradient(120deg, #fff 10%, var(--gold-2) 55%, var(--gold) 85%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 22px;
}
.hero-tags li {
    padding: 4px 12px;
    font-size: 12.5px;
    color: #d9e4ff;
    background: rgba(255, 255, 255, .06);
    border: 1px solid var(--line);
    border-radius: 999px;
}

.rating {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 30px;
    font-size: 14px;
    color: var(--muted);
}
.stars {
    position: relative;
    display: inline-block;
    letter-spacing: 2px;
    font-size: 16px;
    color: rgba(255, 255, 255, .16);
}
.stars::after {
    content: "★★★★★";
    position: absolute;
    inset: 0 auto 0 0;
    width: calc(var(--score, 5) / 5 * 100%);
    overflow: hidden;
    white-space: nowrap;
    color: var(--gold);
}
.rating strong { color: var(--gold-2); font-size: 18px; }

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    margin-bottom: 34px;
    scroll-margin-top: 110px;
}

.btn {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 1px;
    min-width: 166px;
    padding: 12px 24px;
    border: 1px solid transparent;
    border-radius: 14px;
    font-weight: 700;
    line-height: 1.35;
    text-align: center;
    transition: transform .2s, box-shadow .2s, background .2s;
}
.btn-main { font-size: 16px; letter-spacing: .5px; }
.btn-sub { font-size: 11.5px; font-weight: 500; opacity: .78; letter-spacing: .3px; }

.btn-primary {
    color: #151a28;
    background: linear-gradient(135deg, var(--gold-2) 0%, var(--gold) 55%, #e0a93a 100%);
    box-shadow: 0 14px 34px rgba(246, 196, 83, .3);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(246, 196, 83, .42); }

.btn-ghost {
    color: var(--text);
    background: rgba(255, 255, 255, .05);
    border-color: rgba(255, 255, 255, .22);
    backdrop-filter: blur(6px);
}
.btn-ghost:hover { transform: translateY(-3px); border-color: var(--gold); color: var(--gold-2); }

.btn-text {
    min-width: 0;
    padding: 12px 6px;
    color: var(--gold-2);
    font-size: 15px;
    text-decoration: underline;
    text-decoration-color: rgba(246, 196, 83, .4);
    text-underline-offset: 6px;
}
.btn-text:hover { text-decoration-color: var(--gold); }
.btn-block { width: 100%; }

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 26px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
}
.hero-meta dt { font-size: 12px; letter-spacing: 1px; color: var(--muted); }
.hero-meta dd { margin: 2px 0 0; font-size: 16px; font-weight: 700; color: var(--gold-2); }

/* ================= 通用区块 ================= */
.section {
    position: relative;
    padding: clamp(40px, 5.5vw, 68px) 0;
    background: #071026;
}
/* 首屏之后的第一个区块，收紧上方留白 */
.hero + .section { padding-top: clamp(24px, 3vw, 40px); }
.section-alt {
    background:
        radial-gradient(800px 400px at 88% 0%, rgba(63, 118, 255, .12), transparent 65%),
        linear-gradient(180deg, #060d1e, #081228);
}

.section-head {
    max-width: 720px;
    margin: 0 auto clamp(24px, 3.4vw, 36px);
    text-align: center;
}
.kicker {
    margin: 0 0 10px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--gold);
}
.section-head h2,
.contact-copy h2 {
    margin-bottom: 12px;
    font-size: clamp(1.6rem, 3.4vw, 2.35rem);
    letter-spacing: 3px;
}
.section-head h2::after,
.contact-copy h2::after {
    content: "";
    display: block;
    width: 56px;
    height: 3px;
    margin: 14px auto 0;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--gold), rgba(246, 196, 83, 0));
}
.contact-copy h2::after { margin-left: 0; }
.section-desc { margin: 0; color: var(--muted); font-size: 15px; }

/* ================= 特色 ================= */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 18px;
}
.feature-card {
    position: relative;
    padding: 28px 24px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform .25s, border-color .25s, background .25s;
}
.feature-card::before {
    content: "";
    position: absolute;
    top: -60px;
    right: -50px;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(246, 196, 83, .18), transparent 70%);
    transition: transform .3s;
}
.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(246, 196, 83, .35);
    background: rgba(255, 255, 255, .07);
}
.feature-card:hover::before { transform: scale(1.4); }
.feature-icon {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    margin-bottom: 16px;
    font-size: 24px;
    color: #131a2c;
    background: linear-gradient(145deg, var(--gold-2), var(--gold));
    border-radius: 14px;
    box-shadow: 0 10px 24px rgba(246, 196, 83, .25);
}
.feature-card h3 { margin-bottom: 6px; font-size: 18px; color: #f4f8ff; }
.feature-card p { margin: 0; font-size: 14px; color: var(--muted); }

/* ================= 图集（左右滑动 + 自动轮播） ================= */
.gallery-carousel {
    position: relative;
    max-width: 1040px;
    margin: 0 auto;
}
.gallery-viewport {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #060d1e;
    touch-action: pan-y;
}
.gallery-track {
    display: flex;
    transition: transform .6s cubic-bezier(.22, .61, .36, 1);
    will-change: transform;
}
.gallery-slide {
    flex: 0 0 100%;
    min-width: 0;
}
.slide-link {
    position: relative;
    display: block;
}
.slide-media {
    display: grid;
    place-items: center;
    height: clamp(220px, 50vw, 540px);
    overflow: hidden;
    background:
        radial-gradient(circle at 22% 18%, rgba(246, 196, 83, .18), transparent 56%),
        radial-gradient(circle at 82% 82%, rgba(87, 217, 208, .16), transparent 56%),
        linear-gradient(140deg, #102449, #060f24);
}
/* contain：竖版、横版图片都完整显示，不裁切也不变形 */
.slide-media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* 竖版模式：3:5 竖屏画框（适配 480×800 / 1080×1800 等竖图） */
.gallery-carousel.is-portrait { max-width: 420px; }
.gallery-carousel.is-portrait .slide-media {
    display: block;
    height: 0;
    padding-top: 166.6667%;
    position: relative;
}
.gallery-carousel.is-portrait .slide-media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}
.slide-caption {
    position: absolute;
    inset: auto 0 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 42px 24px 18px;
    background: linear-gradient(180deg, transparent, rgba(3, 8, 20, .88));
    pointer-events: none;
}
.slide-caption strong { font-size: 16px; color: #fff; }
.slide-caption small { font-size: 12.5px; color: var(--muted); }

.gal-btn {
    position: absolute;
    top: 50%;
    z-index: 3;
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    color: #fff;
    background: rgba(6, 12, 28, .55);
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 50%;
    transform: translateY(-50%);
    backdrop-filter: blur(6px);
    transition: background .2s, color .2s, border-color .2s, opacity .2s;
}
.gal-btn:hover,
.gal-btn:focus-visible {
    color: #151a28;
    background: linear-gradient(135deg, var(--gold-2), var(--gold));
    border-color: transparent;
}
.gal-btn svg { width: 20px; height: 20px; }
.gal-prev { left: 14px; }
.gal-next { right: 14px; }

.gal-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
}
.gal-dot {
    width: 9px;
    height: 9px;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, .22);
    cursor: pointer;
    transition: width .25s, background .25s;
}
.gal-dot:hover { background: rgba(255, 255, 255, .45); }
.gal-dot.is-active {
    width: 26px;
    background: linear-gradient(90deg, var(--gold-2), var(--gold));
}

/* ================= 礼包 ================= */
.gift-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px;
}
.gift-card {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 22px;
    background: linear-gradient(135deg, rgba(246, 196, 83, .09), rgba(255, 255, 255, .03));
    border: 1px solid rgba(246, 196, 83, .22);
    border-radius: var(--radius);
}
.gift-info h3 { margin-bottom: 4px; font-size: 17px; color: var(--gold-2); }
.gift-info p { margin: 0 0 4px; font-size: 12.5px; color: var(--muted); }
.gift-expire { font-size: 11.5px; color: rgba(157, 171, 201, .8); }
.gift-code {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 6px 6px 14px;
    background: rgba(0, 0, 0, .32);
    border: 1px dashed rgba(246, 196, 83, .4);
    border-radius: 12px;
}
.gift-code code {
    font-size: 14px;
    letter-spacing: 1px;
    color: #fff;
    user-select: all;
}
.copy-btn {
    padding: 8px 14px;
    font-size: 12.5px;
    font-weight: 700;
    color: #151a28;
    background: linear-gradient(135deg, var(--gold-2), var(--gold));
    border: 0;
    border-radius: 9px;
    transition: filter .2s, transform .2s;
}
.copy-btn:hover { filter: brightness(1.07); transform: translateY(-1px); }
.copy-btn.is-done { background: linear-gradient(135deg, #7ef0c0, #35d69b); }

/* ================= FAQ ================= */
.faq-list {
    max-width: 860px;
    margin: 0 auto;
    display: grid;
    gap: 12px;
}
.faq-item {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: border-color .2s, background .2s;
}
.faq-item[open] { border-color: rgba(246, 196, 83, .3); background: rgba(255, 255, 255, .06); }
.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 22px;
    font-size: 15.5px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i {
    position: relative;
    flex: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1px solid rgba(246, 196, 83, .4);
}
.faq-item summary i::before,
.faq-item summary i::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 9px;
    height: 1.5px;
    background: var(--gold);
    transform: translate(-50%, -50%);
    transition: transform .25s;
}
.faq-item summary i::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] summary i::after { transform: translate(-50%, -50%) rotate(0deg); }
.faq-answer { padding: 0 22px 20px; color: var(--muted); font-size: 14.5px; }
.faq-answer p:last-child { margin-bottom: 0; }

/* ================= 联系 ================= */
.contact-single { max-width: 920px; }
.contact-copy .section-desc { margin-bottom: 26px; }
.contact-body {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: clamp(20px, 4vw, 48px);
}
.contact-list { flex: 1 1 340px; display: grid; gap: 12px; }
.contact-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, .04);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
}
.contact-label { font-size: 13px; color: var(--muted); }
.contact-list strong { font-size: 15px; color: var(--gold-2); letter-spacing: .5px; }
.kf-qr {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 14px;
    background: rgba(255, 255, 255, .05);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}
.contact-body .kf-qr { flex: none; }
.kf-qr img { width: 140px; height: 140px; object-fit: contain; background: #fff; padding: 6px; border-radius: 10px; }
.kf-qr figcaption { font-size: 12px; color: var(--muted); }

/* ================= SEO 文字区 ================= */
.intro-section { background: #060d1e; }
.intro-section h2 { font-size: clamp(1.3rem, 2.6vw, 1.7rem); }
.intro-section p { max-width: 980px; color: var(--muted); font-size: 14.5px; }

/* ================= 页脚 ================= */
.site-footer {
    background: #03070f;
    border-top: 1px solid var(--line);
    padding-top: 56px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr .8fr .8fr;
    gap: 40px;
    padding-bottom: 40px;
}
.footer-logo { margin: 0 0 4px; font-size: 20px; font-weight: 800; letter-spacing: 2px; color: var(--gold-2); }
.footer-slogan { margin: 0 0 12px; font-size: 13px; color: var(--muted); letter-spacing: 1px; }
.footer-desc { margin: 0; max-width: 420px; font-size: 12.5px; color: rgba(157, 171, 201, .8); }
.footer-links h2,
.footer-contact h2 { font-size: 14px; letter-spacing: 1px; color: #dfe8fb; margin-bottom: 14px; }
.footer-links li,
.footer-contact li { margin-bottom: 8px; font-size: 13px; color: var(--muted); }
.footer-links a:hover { color: var(--gold-2); }
.footer-bottom {
    padding: 18px 0 26px;
    border-top: 1px solid rgba(255, 255, 255, .06);
    font-size: 12px;
    color: rgba(157, 171, 201, .72);
}
.footer-bottom p { margin: 0 0 4px; }
.footer-license {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 26px;
    margin: 0 0 12px;
    padding: 0;
    list-style: none;
    font-size: 12px;
    color: rgba(157, 171, 201, .92);
}
.footer-license li { display: inline-flex; }
.footer-license li > span { color: rgba(157, 171, 201, .58); }
.footer-meta { display: flex; flex-wrap: wrap; gap: 12px; }

/* ================= 悬浮下载按钮 ================= */
.mobile-bar {
    position: fixed;
    left: 50%;
    bottom: 18px;
    z-index: 90;
    display: flex;
    justify-content: center;
    max-width: calc(100% - 32px);
    padding: 8px;
    background: rgba(5, 10, 22, .65);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--line);
    border-radius: 999px;
    box-shadow: 0 18px 44px rgba(0, 0, 0, .5);
    transform: translateX(-50%);
}
.bar-main {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 220px;
    padding: 11px 34px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #151a28;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--gold-2), var(--gold));
    box-shadow: 0 8px 20px rgba(246, 196, 83, .3);
    transition: box-shadow .2s, filter .2s;
}
.bar-main:hover { filter: brightness(1.06); box-shadow: 0 12px 26px rgba(246, 196, 83, .4); }
body { padding-bottom: 96px; }

/* ================= 返回顶部 ================= */
.to-top {
    position: fixed;
    right: 0;
    bottom: 148px;
    z-index: 92;
    padding: 14px 8px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 3px;
    line-height: 1.15;
    color: #151a28;
    background: rgba(246, 196, 83, .92);
    border: 0;
    border-radius: 10px 0 0 10px;
    box-shadow: -4px 8px 22px rgba(0, 0, 0, .32);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    writing-mode: vertical-rl;
    text-orientation: upright;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateX(16px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s, background .2s;
}
.to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: none;
}
.to-top:hover { background: linear-gradient(135deg, var(--gold-2), var(--gold)); }
.to-top:focus-visible { outline: 2px solid var(--gold-2); outline-offset: 2px; }

/* ================= 滚动显现 ================= */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity .6s ease, transform .6s ease;
    will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

/* ================= 响应式 ================= */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
    .nav {
        position: fixed;
        inset: 72px 0 auto;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 8px 20px 22px;
        background: rgba(6, 12, 28, .79);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--line);
        transform: translateY(-140%);
        transition: transform .3s ease;
        margin-left: 0;
    }
    .nav.is-open { transform: none; }
    .nav a { padding: 14px 4px; border-bottom: 1px solid rgba(255, 255, 255, .06); font-size: 15px; }
    .nav a::after { display: none; }
    .nav-toggle { display: flex; margin-left: auto; }
    .nav-cta { display: none; }

    .hero { padding: 76px 0 40px; min-height: auto; }
    .hero-photo { object-position: center top; }
    .hero-inner { gap: 24px; padding-top: clamp(24px, 6vw, 56px); }
    .hero-shade {
        background: linear-gradient(180deg, rgba(4, 10, 23, .16), rgba(4, 10, 23, .38) 58%, rgba(4, 10, 23, .76));
    }

    .mobile-bar {
        left: 0;
        right: 0;
        bottom: 0;
        max-width: none;
        padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
        border-right: 0;
        border-bottom: 0;
        border-left: 0;
        border-radius: 0;
        transform: none;
    }
    .bar-main { flex: 1; min-width: 0; padding: 12px 18px; }
    .to-top { bottom: calc(84px + env(safe-area-inset-bottom)); font-size: 12.5px; padding: 12px 7px; }
    body { padding-bottom: 72px; }
    .site-footer { padding-bottom: 8px; }
}

@media (max-width: 640px) {
    html { scroll-padding-top: 76px; }
    .container { padding: 0 16px; }
    .nav-wrap { height: 64px; gap: 12px; }
    .nav { inset: 64px 0 auto; }
    .notice-bar .container { padding: 10px 16px; border-radius: 10px; }
    .brand-mark { width: 34px; height: 34px; font-size: 17px; }
    .brand-logo { height: 64px; max-width: 200px; }
    .brand-text { font-size: 15px; }
    .hero { padding-top: 76px; }

    .btn { flex: 1; min-width: 0; }
    .hero-actions .btn-text { flex-basis: 100%; text-align: center; }
    .hero-meta { gap: 18px; }
    .hero-meta dd { font-size: 14px; }

    .section-head h2 { letter-spacing: 2px; }
    .feature-grid { grid-template-columns: 1fr; }
    .gallery-slide .slide-media { height: clamp(200px, 62vw, 320px); }
    .slide-caption { padding: 32px 16px 14px; }
    .slide-caption strong { font-size: 14.5px; }
    .gal-btn { width: 38px; height: 38px; }
    .gal-prev { left: 8px; }
    .gal-next { right: 8px; }
    .gal-btn svg { width: 17px; height: 17px; }

    .gift-card { flex-direction: column; align-items: stretch; }
    .gift-code { justify-content: space-between; }

    .footer-grid { grid-template-columns: 1fr; gap: 26px; }
    .footer-links li,
    .footer-contact li { font-size: 12.5px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *,
    *::before,
    *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
    }
    .reveal { opacity: 1; transform: none; }
}