/* ============================================================
   game-dark-gold — 暗金游戏典藏馆 设计系统
   画廊式陈列：暗金底 / 细画框线 / 大留白 / 章节背景交替
   Palette: #120f0b 暗金底 · #d4af37 金 · #f5efdf 奶油白
   结构骨架：双端导航 + 中部品牌词；figure/figcaption 比例高
   ============================================================ */

:root {
    --ink: #120f0b;
    --ink-raise: #191409;
    --ink-card: #1c150a;
    --gold: #d4af37;
    --gold-bright: #e8c96a;
    --gold-dim: #9c7c26;
    --cream: #f5efdf;
    --cream-soft: rgba(245, 239, 223, 0.72);
    --frame-line: rgba(245, 239, 223, 0.22);
    --hairline: rgba(212, 175, 55, 0.35);
    --shadow-deep: 0 18px 46px rgba(0, 0, 0, 0.45);
    --serif: Georgia, "Songti SC", "STSong", "SimSun", serif;
    --sans: "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--ink);
    color: var(--cream);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.85;
    -webkit-font-smoothing: antialiased;
}

figure {
    margin: 0;
}

img {
    max-width: 100%;
}

/* ---------- 通用版心与标题体系 ---------- */

.wrap {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 22px;
}

.section-head {
    max-width: 760px;
    margin-bottom: 30px;
}

.section-title {
    font-family: var(--serif);
    font-weight: 600;
    color: var(--cream);
    font-size: clamp(24px, 3.2vw, 34px);
    line-height: 1.3;
    margin: 0 0 10px;
}

.section-note {
    color: var(--cream-soft);
    font-size: 15px;
    margin: 0;
}

.kicker {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 0.34em;
    color: var(--gold);
    text-transform: uppercase;
    margin: 0 0 10px;
}

.kicker::before {
    content: "";
    display: inline-block;
    width: 26px;
    height: 1px;
    background: var(--gold);
    vertical-align: middle;
    margin-right: 10px;
}

.lede {
    color: var(--cream-soft);
    font-size: 17px;
    max-width: 720px;
    margin: 0;
}

.art-para {
    color: var(--cream-soft);
    margin: 0 0 16px;
    max-width: 780px;
}

/* ---------- 顶部导航：双端导航组 + 中部品牌词 ---------- */

.site-nav {
    position: sticky;
    top: 0;
    z-index: 60;
    background: linear-gradient(180deg, rgba(18, 15, 11, 0.94), rgba(18, 15, 11, 0.8));
    border-bottom: 1px solid rgba(212, 175, 55, 0.18);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.site-nav.is-scrolled {
    background: var(--ink-raise);
    border-bottom-color: rgba(212, 175, 55, 0.45);
}

.nav-inner {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 22px;
    min-height: 66px;
    display: flex;
    align-items: center;
    gap: 18px;
}

.nav-group {
    display: flex;
    gap: 22px;
    align-items: center;
    flex: 1;
    min-width: 0;
}

.nav-group.nav-right {
    justify-content: flex-end;
}

.nav-group a {
    color: var(--cream-soft);
    text-decoration: none;
    font-size: 14px;
    letter-spacing: 0.08em;
    white-space: nowrap;
    padding: 6px 0;
    border-bottom: 1px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.nav-group a:hover {
    color: var(--gold-bright);
    border-bottom-color: var(--gold);
}

.brand-mark {
    font-family: var(--serif);
    font-size: 20px;
    letter-spacing: 0.06em;
    color: var(--gold);
    text-decoration: none;
    white-space: nowrap;
}

.brand-mark:hover {
    color: var(--gold-bright);
}

.nav-burger {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--hairline);
    background: transparent;
    color: var(--gold);
    font-size: 18px;
    border-radius: 4px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.nav-burger span {
    font-size: 12px;
    letter-spacing: 0.12em;
}

.mobile-menu {
    border-top: 1px solid var(--hairline);
    background: var(--ink-raise);
    padding: 10px 22px 18px;
}

.mobile-menu a {
    display: block;
    color: var(--cream);
    text-decoration: none;
    padding: 10px 4px;
    border-bottom: 1px solid rgba(245, 239, 223, 0.08);
}

.mobile-menu a:last-child {
    border-bottom: 0;
}

/* ---------- 按钮与 CTA ---------- */

.btn-gold {
    display: inline-block;
    background: linear-gradient(135deg, var(--gold-bright), var(--gold));
    color: #191003;
    font-weight: 600;
    text-decoration: none;
    padding: 12px 26px;
    border: 1px solid var(--gold);
    border-radius: 2px;
    letter-spacing: 0.06em;
    box-shadow: 0 6px 18px rgba(212, 175, 55, 0.18);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(212, 175, 55, 0.3);
}

.btn-line {
    display: inline-block;
    color: var(--gold);
    text-decoration: none;
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--gold);
    padding-bottom: 3px;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.btn-line:hover {
    color: var(--gold-bright);
    border-color: var(--gold-bright);
}

/* ---------- 画廊组件：细画框 figure / figcaption ---------- */

.g-card {
    display: block;
    min-width: 0;
}

.g-frame {
    background: var(--ink-card);
    border: 1px solid var(--frame-line);
    box-shadow: var(--shadow-deep);
    overflow: hidden;
}

.g-frame img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.g-cap {
    display: flex;
    gap: 12px;
    align-items: baseline;
    flex-wrap: wrap;
    padding: 10px 12px;
    border-top: 1px solid rgba(245, 239, 223, 0.12);
    font-size: 12px;
    letter-spacing: 0.1em;
}

.g-cap strong {
    color: var(--gold);
    font-weight: 600;
    letter-spacing: 0.12em;
}

.g-cap span {
    color: var(--cream-soft);
    letter-spacing: 0.04em;
    font-size: 12px;
}

/* ---------- 章节交替背景 ---------- */

.zone {
    border-top: 1px solid rgba(245, 239, 223, 0.07);
}

.zone .wrap {
    padding: 56px 0 64px;
}

.zone-tint {
    background:
        radial-gradient(ellipse 70% 90% at 18% 0%, rgba(212, 175, 55, 0.07), transparent 60%),
        var(--ink);
    border-top: 1px solid rgba(212, 175, 55, 0.16);
}

.zone-raise {
    background: var(--ink-raise);
}

/* ============================================================
   INDEX — Hero：错位叠放的画廊拼贴 + 中央标题
   ============================================================ */

.hero {
    position: relative;
    overflow: hidden;
    padding: 30px 0 20px;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 62% 70% at 50% 30%, rgba(212, 175, 55, 0.12), transparent 70%),
        radial-gradient(ellipse 100% 110% at 50% 115%, rgba(0, 0, 0, 0.55), transparent 60%);
    pointer-events: none;
}

.hero-stage {
    position: relative;
    min-height: 620px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.collage {
    position: relative;
    z-index: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(12px, 3vw, 30px);
    align-items: center;
    padding: 10px 8px 0;
}

.collage .g-frame {
    aspect-ratio: 4 / 3;
}

.collage .g-frame:nth-child(1) {
    transform: translateY(30px) rotate(-1.4deg);
}

.collage .g-frame:nth-child(2) {
    aspect-ratio: 3 / 4;
    transform: translateY(-18px) rotate(0.9deg);
}

.collage .g-frame:nth-child(3) {
    transform: translateY(46px) rotate(1.3deg);
}

.hero-stage::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        radial-gradient(ellipse 52% 62% at 50% 52%, rgba(18, 15, 11, 0.94) 34%, rgba(18, 15, 11, 0.5) 62%, transparent 82%),
        linear-gradient(180deg, rgba(18, 15, 11, 0.55), transparent 22%, transparent 78%, rgba(18, 15, 11, 0.6));
    pointer-events: none;
}

.hero-core {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    width: min(680px, 92%);
    text-align: center;
    padding: 40px 0;
}

.hero-core .hero-title {
    font-family: var(--serif);
    font-weight: 700;
    font-size: clamp(28px, 5vw, 54px);
    line-height: 1.2;
    margin: 4px 0 16px;
    color: var(--cream);
    text-shadow: 0 2px 24px rgba(18, 15, 11, 0.95);
}

.hero-sub {
    color: var(--cream);
    text-shadow: 0 1px 12px rgba(18, 15, 11, 0.98);
    font-size: 15.5px;
    max-width: 560px;
    margin: 0 auto 14px;
}

.hero-core .kicker {
    text-shadow: 0 1px 10px rgba(18, 15, 11, 0.9);
}

.cta-row {
    display: flex;
    gap: 26px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 24px;
}

/* ---------- Hero 玩法标签：command-tags ---------- */

.command-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 14px;
    max-width: 760px;
    margin: 28px auto 0;
    padding: 0;
}

.command-tags span {
    font-size: 13px;
    letter-spacing: 0.14em;
    color: var(--gold-bright);
    border: 1px solid var(--hairline);
    border-radius: 2px;
    padding: 5px 14px;
    background: rgba(18, 15, 11, 0.62);
    text-shadow: none;
}

/* ---------- Index curation：四格图录 ---------- */

.shelf-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
}

.shelf-list > li {
    min-width: 0;
}

.shelf-list .g-frame {
    aspect-ratio: 4 / 5;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.shelf-list li:hover .g-frame {
    transform: translateY(-6px);
    box-shadow: 0 22px 44px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(212, 175, 55, 0.4);
}

.plate-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 22px 20px;
    border: 1px solid var(--hairline);
    background: linear-gradient(160deg, rgba(212, 175, 55, 0.1), rgba(18, 15, 11, 0.25));
    box-shadow: var(--shadow-deep);
}

.plate-card .plate-title {
    font-family: var(--serif);
    font-size: 19px;
    color: var(--gold-bright);
    letter-spacing: 0.16em;
    margin: 0 0 10px;
}

.plate-card p {
    margin: 0 0 14px;
    color: var(--cream);
    font-size: 14px;
}

/* ---------- Index mode-stories：故事卡 ---------- */

.story-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
    align-items: stretch;
}

.story-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--ink-card);
    border: 1px solid rgba(245, 239, 223, 0.12);
}

.story-card .g-frame {
    border: 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
    box-shadow: none;
    aspect-ratio: 16 / 9;
}

.story-body {
    padding: 20px 24px 26px;
}

.story-body h3 {
    font-family: var(--serif);
    font-size: 20px;
    margin: 0 0 10px;
    color: var(--cream);
}

.story-body p {
    margin: 0;
    color: var(--cream-soft);
    font-size: 14.5px;
}

/* ---------- Index sport-aisle：次级窄条 ---------- */

.aisle-head {
    margin-bottom: 18px;
}

.aisle {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    max-width: 900px;
}

.aisle-tile {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    text-decoration: none;
    color: var(--cream);
    border: 1px solid rgba(212, 175, 55, 0.35);
    background: rgba(212, 175, 55, 0.06);
    padding: 14px 18px;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.aisle-tile:hover {
    background: rgba(212, 175, 55, 0.16);
    border-color: rgba(212, 175, 55, 0.6);
}

.aisle-tile i {
    color: var(--gold);
    font-size: 20px;
    width: 26px;
    text-align: center;
    padding-top: 4px;
}

.tile-text strong {
    display: block;
    font-size: 14.5px;
    color: var(--gold-bright);
    margin-bottom: 2px;
}

.tile-text small {
    display: block;
    color: var(--cream-soft);
    font-size: 13px;
    line-height: 1.6;
}

/* ---------- Index edition：双栏 prose + dl ---------- */

.edition-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.6fr);
    gap: 36px;
    align-items: start;
}

.defs {
    margin: 0;
    padding: 0;
}

.defs .def {
    padding: 16px 0;
    border-bottom: 1px solid rgba(245, 239, 223, 0.1);
    display: grid;
    grid-template-columns: minmax(0, 120px) minmax(0, 1fr);
    gap: 18px;
}

.defs .def:last-child {
    border-bottom: 0;
}

.defs dt {
    font-family: var(--serif);
    color: var(--gold);
    font-size: 15px;
    line-height: 1.7;
}

.defs dd {
    margin: 0;
    color: var(--cream-soft);
    font-size: 14.5px;
}

/* ---------- Index rewards：三件小事 ---------- */

.reward-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.reward-item {
    min-width: 0;
    border: 1px solid rgba(245, 239, 223, 0.14);
    background: var(--ink-card);
    padding: 22px 20px;
}

.reward-item i {
    color: var(--gold);
    font-size: 22px;
    margin-bottom: 10px;
}

.reward-item h3 {
    font-family: var(--serif);
    font-size: 17px;
    margin: 0 0 8px;
    color: var(--cream);
}

.reward-item p {
    margin: 0;
    font-size: 13.5px;
    color: var(--cream-soft);
}

/* ---------- Index voices：收藏家便签 ---------- */

.voice-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
}

.voice-list blockquote {
    margin: 0;
    padding: 24px 26px;
    border-left: 2px solid var(--gold);
    background: rgba(212, 175, 55, 0.05);
    color: var(--cream);
    font-family: var(--serif);
    font-size: 15.5px;
    line-height: 1.9;
}

.voice-list cite {
    display: block;
    margin-top: 12px;
    font-style: normal;
    font-size: 12.5px;
    letter-spacing: 0.18em;
    color: var(--gold);
}

/* ---------- FAQ：画廊注签式 details（下边框） ---------- */

.note-faq {
    max-width: 820px;
}

.note-faq details {
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
}

.note-faq details:first-of-type {
    border-top: 1px solid rgba(212, 175, 55, 0.3);
}

.note-faq details[open] {
    background: rgba(212, 175, 55, 0.045);
}

.note-faq summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    gap: 14px;
    align-items: baseline;
    padding: 16px 8px;
    font-size: 15.5px;
    color: var(--cream);
}

.note-faq summary::-webkit-details-marker {
    display: none;
}

.note-faq summary::before {
    content: "+";
    color: var(--gold);
    font-size: 18px;
    line-height: 1;
    transition: transform 0.2s ease;
}

.note-faq details[open] summary::before {
    transform: rotate(45deg);
}

.note-faq details p {
    margin: 0;
    padding: 0 8px 20px 36px;
    color: var(--cream-soft);
    font-size: 14.5px;
}

/* ---------- Index final-cta ---------- */

.final-cta {
    text-align: center;
}

.final-cta .section-title {
    margin-left: auto;
    margin-right: auto;
}

.final-cta .section-note {
    margin: 0 auto;
    max-width: 560px;
}

/* ============================================================
   内页公共骨架
   ============================================================ */

.page-head {
    padding: 46px 0 30px;
    border-bottom: 1px solid rgba(245, 239, 223, 0.1);
}

.page-head h2 {
    font-family: var(--serif);
    font-weight: 700;
    font-size: clamp(26px, 3.6vw, 40px);
    line-height: 1.25;
    margin: 0 0 12px;
    color: var(--cream);
}

.page-head .lede {
    margin-bottom: 6px;
}

.end-cta {
    margin: 40px 0 0;
    text-align: center;
    border-top: 1px solid rgba(212, 175, 55, 0.25);
    padding: 30px 0 8px;
}

.end-cta .btn-gold {
    font-size: 16px;
    padding: 14px 34px;
}

.end-note {
    margin: 18px 0 0;
    color: var(--cream-soft);
    font-size: 14px;
}

/* ---------- 引文 ---------- */

.pull-quote {
    font-family: var(--serif);
    font-size: 19px;
    line-height: 1.9;
    color: var(--gold-bright);
    border-left: 2px solid var(--gold);
    margin: 24px 0;
    padding: 4px 0 4px 22px;
}

/* ============================================================
   ABOUT — 体验故事（期刊式叙事）
   ============================================================ */

.journal-article {
    padding: 40px 0 60px;
}

.journal-chapter {
    margin-bottom: 52px;
}

.journal-chapter h3 {
    font-family: var(--serif);
    font-size: 23px;
    font-weight: 600;
    color: var(--gold);
    margin: 0 0 14px;
}

.journal-chapter h3.sub-title {
    font-size: 18px;
    margin-top: 30px;
    color: var(--cream);
}

.journal-chapter .kicker {
    margin-bottom: 4px;
}

.journal-close {
    padding-top: 8px;
}

.figure-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
    margin: 28px 0;
}

.figure-row .g-frame {
    aspect-ratio: 4 / 3;
}

.figure-row .g-frame.tall {
    aspect-ratio: 3 / 4;
}

.vlist {
    margin: 22px 0 0;
    padding: 0;
    border-top: 1px solid rgba(245, 239, 223, 0.1);
}

.vlist .vrow {
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 20px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(245, 239, 223, 0.1);
}

.vlist dt {
    font-family: var(--serif);
    color: var(--gold);
    font-size: 15px;
}

.vlist dd {
    margin: 0;
    color: var(--cream-soft);
    font-size: 14.5px;
}

/* ============================================================
   PRODUCT — 精选目录（三层 shelf）
   ============================================================ */

.shelf {
    padding: 40px 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.18);
}

.shelf:last-of-type {
    border-bottom: 0;
}

.shelf-tint {
    background:
        radial-gradient(ellipse 70% 90% at 85% 0%, rgba(212, 175, 55, 0.06), transparent 55%),
        var(--ink-raise);
}

.shelf-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 22px;
}

.shelf-head h3 {
    font-family: var(--serif);
    font-size: 24px;
    margin: 0;
    color: var(--cream);
}

.shelf-head .curator-note {
    font-size: 13.5px;
    color: var(--gold);
    letter-spacing: 0.06em;
    margin: 0;
}

.shelf-cards {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.entry-card {
    min-width: 0;
    background: var(--ink-card);
    border: 1px solid rgba(245, 239, 223, 0.12);
    padding: 14px;
}

.entry-card .g-frame {
    aspect-ratio: 16 / 10;
    box-shadow: none;
}

.entry-card h3 {
    font-family: var(--serif);
    font-size: 17px;
    margin: 12px 0 4px;
    color: var(--cream);
}

.entry-card p {
    margin: 0;
    font-size: 13.5px;
    color: var(--cream-soft);
}

.entry-tag {
    display: inline-block;
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--gold);
    border: 1px solid var(--hairline);
    padding: 2px 10px;
    margin-bottom: 8px;
}

/* ============================================================
   NEWS — 馆藏专题（feature list）
   ============================================================ */

.feature-list {
    list-style: none;
    margin: 0;
    padding: 0;
    max-width: 980px;
}

.feature {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 2.2fr;
    gap: 26px;
    align-items: start;
    padding: 26px 0;
    border-bottom: 1px solid rgba(245, 239, 223, 0.1);
}

.feature:first-child {
    padding-top: 6px;
}

.feature .g-frame {
    aspect-ratio: 16 / 10;
    box-shadow: none;
}

.feature-seal {
    width: 64px;
    height: 64px;
    border: 1px solid var(--hairline);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    font-size: 20px;
    background: rgba(212, 175, 55, 0.06);
}

.feature-body {
    min-width: 0;
}

.feature-body .feat-kind {
    display: block;
    font-size: 11px;
    letter-spacing: 0.24em;
    color: var(--gold);
    margin-bottom: 6px;
}

.feature-body h3 {
    font-family: var(--serif);
    font-size: 19px;
    margin: 0 0 8px;
    color: var(--cream);
}

.feature-body p {
    margin: 0;
    color: var(--cream-soft);
    font-size: 14.5px;
}

/* ============================================================
   CONTACT — 典藏服务台（两列：注签墙 + 联系卡）
   ============================================================ */

.desk {
    padding: 44px 0 60px;
}

.desk-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
}

.desk-faq .note-faq {
    max-width: none;
    margin-top: 10px;
}

.desk-card {
    background: var(--ink-card);
    border: 1px solid rgba(212, 175, 55, 0.3);
    padding: 16px;
}

.desk-card .g-frame {
    aspect-ratio: 16 / 9;
    box-shadow: none;
}

.desk-card .section-title {
    font-size: 21px;
    margin: 18px 0 6px;
}

.card-note {
    margin: 0;
    color: var(--cream-soft);
    font-size: 13.5px;
}

.action-btns {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
}

.action-btns button {
    text-align: left;
    padding: 13px 16px;
    border: 1px solid rgba(212, 175, 55, 0.35);
    background: rgba(212, 175, 55, 0.05);
    color: var(--cream);
    font-size: 15px;
    cursor: pointer;
    display: flex;
    gap: 12px;
    align-items: center;
    transition: background 0.2s ease;
}

.action-btns button:hover {
    background: rgba(212, 175, 55, 0.15);
}

.action-btns i {
    color: var(--gold);
    width: 22px;
    text-align: center;
}

.placeholder-note {
    font-size: 12.5px;
    color: var(--cream-soft);
    border-top: 1px dashed rgba(245, 239, 223, 0.18);
    padding-top: 12px;
    margin: 18px 0 0;
}

/* ============================================================
   GAME PAGE6 — 典藏大厅（3×2 墙面 + 导览）
   ============================================================ */

.hall-grid {
    list-style: none;
    margin: 8px 0 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px 24px;
}

.hall-grid > li {
    min-width: 0;
}

.hall-grid .g-frame {
    aspect-ratio: 3 / 2;
}

.hall-grid figcaption {
    padding: 14px 2px 0;
}

.hall-grid figcaption .entry-tag {
    margin-bottom: 6px;
}

.hall-grid figcaption h3 {
    font-family: var(--serif);
    font-size: 18px;
    margin: 0 0 6px;
    color: var(--cream);
}

.hall-grid figcaption p {
    margin: 0;
    font-size: 13.5px;
    color: var(--cream-soft);
}

.hall-guide {
    list-style: none;
    margin: 0;
    padding: 0;
    max-width: 780px;
}

.hall-step {
    display: flex;
    gap: 18px;
    padding: 18px 0;
    border-bottom: 1px solid rgba(245, 239, 223, 0.1);
}

.hall-step:first-child {
    border-top: 1px solid rgba(245, 239, 223, 0.1);
}

.hall-step i {
    color: var(--gold);
    font-size: 20px;
    width: 30px;
    text-align: center;
    padding-top: 5px;
}

.hall-step h3 {
    font-family: var(--serif);
    font-size: 16px;
    margin: 0 0 6px;
    color: var(--cream);
}

.hall-step p {
    margin: 0;
    color: var(--cream-soft);
    font-size: 14.5px;
}

/* ============================================================
   FOOTER — 深金底 · 细金顶边 · 四列 + 版权
   ============================================================ */

.site-foot {
    background: #1a1305;
    border-top: 1px solid var(--gold);
    margin-top: 0;
}

.foot-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 44px 22px 20px;
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.6fr);
    gap: 34px;
}

.foot-col h3 {
    font-size: 13px;
    letter-spacing: 0.22em;
    color: var(--gold);
    margin: 0 0 12px;
    font-weight: 500;
}

.foot-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.foot-col a {
    color: var(--cream-soft);
    text-decoration: none;
    font-size: 13.5px;
    line-height: 1.6;
}

.foot-col a:hover {
    color: var(--gold-bright);
}

.foot-brand a.brand-link {
    font-family: var(--serif);
    font-size: 21px;
    color: var(--gold-bright);
    letter-spacing: 0.05em;
}

.foot-note {
    color: var(--cream-soft);
    font-size: 12.5px;
    line-height: 1.8;
    max-width: 320px;
    margin: 12px 0 0;
}

.copyright {
    max-width: 1180px;
    margin: 0 auto;
    padding: 16px 22px 22px;
    border-top: 1px solid rgba(245, 239, 223, 0.08);
    font-size: 12px;
    color: rgba(245, 239, 223, 0.55);
    letter-spacing: 0.04em;
}

/* ============================================================
   响应式：768 与 375（真实收窄，无横向溢出）
   ============================================================ */

@media (max-width: 900px) {
    .shelf-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hall-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .nav-group {
        gap: 14px;
    }
}

@media (max-width: 768px) {
    .nav-group {
        display: none;
    }

    .nav-inner {
        justify-content: space-between;
    }

    .nav-burger {
        display: inline-flex;
    }

    .brand-mark {
        font-size: 17px;
    }

    .hero-stage {
        min-height: 0;
    }

    .story-grid,
    .voice-list,
    .edition-grid,
    .figure-row,
    .desk-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .shelf-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 18px;
    }

    .defs .def {
        grid-template-columns: minmax(0, 1fr);
        gap: 6px;
    }

    .foot-inner {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 26px;
    }

    .feature {
        grid-template-columns: minmax(0, 1fr) 2fr;
        gap: 18px;
    }
}

@media (max-width: 560px) {
    .wrap {
        padding: 0 16px;
    }

    .collage {
        grid-template-columns: minmax(0, 1fr);
        gap: 16px;
        padding: 0;
    }

    .collage .g-frame,
    .collage .g-frame:nth-child(2) {
        aspect-ratio: 4 / 3;
        max-height: 230px;
        transform: none;
        width: 86%;
        margin: 0 auto;
    }

    .hero-core {
        position: static;
        transform: none;
        width: 100%;
        padding: 8px 0 0;
        margin: 30px auto 0;
    }

    .hero {
        padding-top: 22px;
    }

    .hero-sub {
        font-size: 14.5px;
    }

    .shelf-list,
    .shelf-cards,
    .reward-row,
    .hall-grid,
    .feature,
    .feature-plain,
    .aisle {
        grid-template-columns: minmax(0, 1fr);
    }

    .feature-seal {
        width: 52px;
        height: 52px;
    }

    .vlist .vrow {
        grid-template-columns: minmax(0, 1fr);
        gap: 4px;
    }

    .cta-row {
        gap: 18px;
    }

    .foot-inner {
        grid-template-columns: minmax(0, 1fr);
        gap: 24px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .shelf-list li:hover .g-frame,
    .btn-gold:hover,
    .collage .g-frame {
        transform: none;
    }
}