/* ============================================================
   china-vip-amethyst — 紫晶会所设计系统
   紫黑底 #170b2e · 紫 #a855f7 · 玫瑰金 #d9a5b3 · 白
   结构特征：对称镜像 hero、四格等级阶梯、宽幅目录带、
   水平福利卡、中央大卡画廊；浅分层与微光。
   ============================================================ */

:root {
    --noir: #170b2e;              /* 页面主底：紫黑 */
    --noir-deep: #120826;         /* 更深一层的底色 */
    --panel: #241040;             /* 卡片面板 */
    --panel-soft: #2b1749;        /* 悬浮态面板 */
    --violet: #a855f7;            /* 主紫 */
    --violet-deep: #7c3aed;
    --rose: #d9a5b3;              /* 玫瑰金 */
    --gold: #e9c98a;              /* 紫金 */
    --ink: #f6efff;               /* 主文字 */
    --muted: #b9a8d6;             /* 次级文字 */
    --faint: #8d7bad;             /* 弱化文字 */
    --hairline: rgba(184, 148, 255, 0.22);
    --shell: 1200px;
    --sans: system-ui, -apple-system, "Segoe UI", Roboto,
        "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --grad-amethyst: linear-gradient(135deg, #6d28d9 0%,
        #a855f7 48%, #c084fc 100%);
    --grad-rose-gold: linear-gradient(135deg, #b2808d 0%,
        #d9a5b3 55%, #f0c9d2 100%);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.85;
    background-color: var(--noir);
    background-image:
        radial-gradient(1100px 520px at 12% -6%, rgba(124, 58, 237, 0.22), transparent 62%),
        radial-gradient(1000px 480px at 88% -4%, rgba(217, 165, 179, 0.1), transparent 60%),
        radial-gradient(900px 700px at 50% 118%, rgba(168, 85, 247, 0.12), transparent 64%);
    background-attachment: fixed;
}

img {
    display: block;
    max-width: 100%;
}

/* Tailwind CDN 不可用时的兜底 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ---------- 通用排版 ---------- */

h2,
h3,
h4,
h5 {
    line-height: 1.4;
    margin: 0;
    letter-spacing: 0.02em;
}

p {
    margin: 0;
}

a {
    color: inherit;
    text-decoration: none;
}

.eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    letter-spacing: 0.32em;
    color: var(--gold);
    border: 1px solid rgba(233, 201, 138, 0.4);
    border-radius: 999px;
    padding: 0.25rem 0.9rem;
    margin-bottom: 1rem;
    background: rgba(233, 201, 138, 0.06);
}

/* ---------- Header ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: linear-gradient(180deg, rgba(18, 8, 38, 0.96),
        rgba(23, 11, 46, 0.92));
    border-bottom: 1px solid var(--hairline);
    box-shadow: 0 10px 30px rgba(8, 2, 20, 0.45);
}

.header-shell {
    max-width: var(--shell);
    margin: 0 auto;
    padding: 0.7rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    min-height: 64px;
}

.brand-word {
    font-weight: 700;
    font-size: 1.16rem;
    color: #fff;
    letter-spacing: 0.04em;
    margin-right: auto;
}

.brand-word::before {
    content: "";
    display: inline-block;
    width: 0.62em;
    height: 0.62em;
    margin-right: 0.45em;
    background: var(--grad-rose-gold);
    transform: rotate(45deg);
    border-radius: 2px;
    box-shadow: 0 0 12px rgba(217, 165, 179, 0.7);
}

.nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    border: 1px solid var(--hairline);
    border-radius: 10px;
    background: rgba(168, 85, 247, 0.12);
    cursor: pointer;
}

.toggle-line {
    display: block;
    height: 2px;
    width: 100%;
    border-radius: 2px;
    background: var(--rose);
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-open .toggle-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-open .toggle-line:nth-child(2) {
    opacity: 0;
}

.nav-open .toggle-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
    flex-basis: 100%;
    display: none;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.4rem 0 0.8rem;
}

.nav-open .site-nav {
    display: flex;
}

.site-nav a {
    padding: 0.65rem 0.8rem;
    border-radius: 10px;
    color: var(--muted);
    font-size: 0.98rem;
    transition: color 0.2s ease, background 0.2s ease;
}

.site-nav a:hover {
    color: #fff;
    background: rgba(168, 85, 247, 0.16);
}

.vip-chip {
    display: none;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.24em;
    color: #2a1038;
    padding: 0.28rem 0.75rem;
    border-radius: 999px;
    background: linear-gradient(135deg, #e9c98a, #d9a5b3 55%, #a855f7);
    box-shadow: 0 0 16px rgba(233, 201, 138, 0.45);
}

/* ---------- 通用区块容器 ---------- */

main {
    overflow: clip;
}

.page-intro,
.band,
.final-cta,
.page-cta {
    max-width: var(--shell);
    margin: 0 auto;
    padding: 3rem 1.25rem 0;
}

.page-intro p {
    max-width: 64ch;
}

.page-intro h2,
.band-head h3 {
    font-size: clamp(1.5rem, 4vw, 2.15rem);
    color: #fff;
}

.band-head {
    margin-bottom: 1.6rem;
}

.band-head > p:last-child {
    color: var(--muted);
    max-width: 68ch;
    margin-top: 0.7rem;
}

.band-note {
    color: var(--faint);
    font-size: 0.9rem;
    margin-top: 1.2rem;
}

/* ---------- Hero（对称镜像 + 下沉 CTA） ---------- */

.hero-stage {
    position: relative;
    max-width: var(--shell);
    margin: 0 auto;
    padding: 2.2rem 1.25rem 3.2rem;
}

.glow {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    filter: blur(70px);
    opacity: 0.5;
}

.glow-a {
    width: 340px;
    height: 340px;
    left: -140px;
    top: 40px;
    background: rgba(124, 58, 237, 0.5);
}

.glow-b {
    width: 320px;
    height: 320px;
    right: -140px;
    top: 120px;
    background: rgba(217, 165, 179, 0.24);
}

.hero-sym {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.4rem;
    align-items: center;
}

.hero-figure {
    display: none;
    margin: 0;
}

.hero-figure img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: 18px;
    border: 1px solid rgba(217, 165, 179, 0.35);
    box-shadow: 0 24px 60px rgba(5, 1, 16, 0.6);
}

.hero-core {
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.hero-kicker {
    color: var(--rose);
    letter-spacing: 0.22em;
    font-size: 0.8rem;
    margin-bottom: 0.9rem;
}

.hero-core h2 {
    font-size: clamp(1.7rem, 5.2vw, 2.9rem);
    color: #fff;
    text-shadow: 0 0 42px rgba(168, 85, 247, 0.45);
}

.hero-lead {
    color: var(--muted);
    margin: 1.1rem auto 1.2rem;
    max-width: 46ch;
}

.cover-topics {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.55rem;
}

.cover-topics span {
    font-size: 0.88rem;
    color: #e6d8ff;
    border: 1px solid rgba(168, 85, 247, 0.55);
    background: rgba(168, 85, 247, 0.14);
    border-radius: 999px;
    padding: 0.3rem 1rem;
}

.cta-row {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.9rem;
    margin: 2rem 0 1.1rem;
}

.hero-note {
    text-align: center;
    font-size: 0.88rem;
    color: var(--faint);
    max-width: 52ch;
    margin: 0 auto;
}

/* ---------- 按钮体系 ---------- */

.btn {
    display: inline-block;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 999px;
    padding: 0.8rem 2rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    color: #fff;
    background: var(--grad-amethyst);
    box-shadow: 0 10px 28px rgba(168, 85, 247, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 14px 34px rgba(168, 85, 247, 0.55);
}

.btn-secondary {
    color: var(--rose);
    border: 1.5px solid var(--rose);
    background: transparent;
}

.btn-secondary:hover {
    background: rgba(217, 165, 179, 0.1);
}

.btn-ghost {
    color: #241040;
    background: var(--grad-rose-gold);
    box-shadow: 0 10px 26px rgba(6, 1, 18, 0.35);
}

/* ---------- 等级阶梯（ol 四格） ---------- */

.tier-ladder {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: rung;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
}

.tier-step {
    counter-increment: rung;
    position: relative;
    border: 1px solid var(--hairline);
    border-radius: 18px;
    background:
        linear-gradient(160deg, rgba(168, 85, 247, 0.1), rgba(23, 11, 46, 0.6));
    padding: 1.2rem 1.3rem 1.2rem 3.4rem;
}

.tier-step::before {
    content: "";
    position: absolute;
    left: 1.15rem;
    top: 1.5rem;
    width: 0.85rem;
    height: 0.85rem;
    background: var(--grad-rose-gold);
    transform: rotate(45deg);
    box-shadow: 0 0 14px rgba(217, 165, 179, 0.75);
}

.tier-step h4 {
    color: var(--gold);
    font-size: 1.06rem;
    margin-bottom: 0.35rem;
}

.tier-step p {
    color: var(--muted);
    font-size: 0.96rem;
}

/* ---------- 大厅目录：宽幅 band ---------- */

.hall-band {
    padding-top: 4rem;
}

.catalog-band {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.4rem;
    align-items: stretch;
    margin: 0 0 1.6rem;
    border: 1px solid var(--hairline);
    border-radius: 22px;
    overflow: clip;
    background:
        linear-gradient(180deg, rgba(168, 85, 247, 0.07), rgba(23, 11, 46, 0.45));
}

.band-figure {
    margin: 0;
    position: relative;
}

.band-figure img {
    width: 100%;
    height: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    min-height: 100%;
}

.band-body {
    padding: 1.4rem 1.3rem 1.5rem;
}

.band-body > h4 {
    font-size: 1.28rem;
    color: #fff;
    margin-bottom: 0.4rem;
}

.band-body > p {
    color: var(--muted);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.band-body-solo {
    grid-column: 1 / -1;
}

.mini-cards {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.8rem;
}

.mini-card {
    border-radius: 14px;
    padding: 0.9rem 1rem;
    background: rgba(18, 8, 38, 0.55);
    border: 1px solid rgba(184, 148, 255, 0.14);
}

.mini-card h5 {
    color: var(--rose);
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
}

.mini-card p {
    color: var(--muted);
    font-size: 0.9rem;
}

/* ---------- 体育专区 ---------- */

.sport-band {
    padding-top: 4rem;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.6rem;
    align-items: center;
}

.sport-item {
    border-left: 2px solid rgba(217, 165, 179, 0.55);
    padding: 0.3rem 0 0.3rem 1rem;
    margin-bottom: 1rem;
}

.sport-item h4 {
    color: var(--gold);
    font-size: 1.02rem;
    margin-bottom: 0.25rem;
}

.sport-item p {
    color: var(--muted);
    font-size: 0.95rem;
}

.sport-figure {
    margin: 0;
}

.sport-figure img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: 20px;
    border: 1px solid rgba(217, 165, 179, 0.3);
    box-shadow: 0 22px 56px rgba(5, 1, 16, 0.55);
}

/* ---------- 会员任务：横向福利卡 ---------- */

.quest-rack {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.9rem;
}

.quest-card {
    display: flex;
    gap: 0.95rem;
    align-items: flex-start;
    border: 1px solid var(--hairline);
    border-radius: 18px;
    padding: 1.1rem 1.2rem;
    background: linear-gradient(135deg,
        rgba(168, 85, 247, 0.1), rgba(23, 11, 46, 0.35));
}

.quest-icon {
    font-size: 1.5rem;
    color: var(--gold);
    margin-top: 0.2rem;
}

.quest-card h4 {
    color: #fff;
    font-size: 1.04rem;
    margin-bottom: 0.2rem;
}

.quest-card p {
    color: var(--muted);
    font-size: 0.92rem;
}

/* ---------- 版本亮点 dl ---------- */

.edition-list {
    margin: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.9rem;
}

.edition-row {
    border-radius: 16px;
    border: 1px solid rgba(184, 148, 255, 0.16);
    background: rgba(23, 11, 46, 0.6);
    padding: 1rem 1.2rem;
}

.edition-row dt {
    color: var(--gold);
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.edition-row dd {
    margin: 0;
    color: var(--muted);
    font-size: 0.94rem;
}

/* ---------- 会所声音 ---------- */

.voices-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.9rem;
}

.voice-card {
    margin: 0;
    border-radius: 18px;
    border: 1px solid var(--hairline);
    background: linear-gradient(160deg,
        rgba(217, 165, 179, 0.08), rgba(23, 11, 46, 0.4));
    padding: 1.2rem 1.3rem;
}

.voice-card p {
    color: #e9ddfb;
    font-size: 0.98rem;
}

.voice-by {
    margin-top: 0.8rem;
    color: var(--faint);
    font-size: 0.84rem;
}

/* ---------- FAQ（对称双列 details + 紫金小标） ---------- */

.faq-band {
    padding-top: 4rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.7rem;
}

.faq-item {
    border: 1px solid var(--hairline);
    border-radius: 14px;
    background: rgba(23, 11, 46, 0.62);
    padding: 0.2rem 1rem;
}

.faq-item summary {
    cursor: pointer;
    list-style: none;
    color: var(--gold);
    font-weight: 600;
    padding: 0.85rem 0.2rem 0.85rem 1.6rem;
    position: relative;
}

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

.faq-item summary::before {
    content: "";
    position: absolute;
    left: 0.2rem;
    top: 1.15rem;
    width: 0.55rem;
    height: 0.55rem;
    background: var(--gold);
    transform: rotate(45deg);
}

.faq-item p {
    color: var(--muted);
    font-size: 0.93rem;
    padding: 0 0.4rem 1rem 1.6rem;
}

/* ---------- Final CTA 渐变宽条 ---------- */

.final-cta {
    text-align: center;
    margin-top: 4rem;
    margin-bottom: 0;
    padding: 3.2rem 1.5rem 3.4rem;
    border-radius: 0;
    background: linear-gradient(115deg, #4c1d95 0%, #7c3aed 45%,
        #a855f7 70%, #c084fc 100%);
    max-width: none;
    border-top: 1px solid rgba(233, 201, 138, 0.5);
    border-bottom: 1px solid rgba(233, 201, 138, 0.5);
}

.final-cta h3 {
    color: #fff;
    font-size: clamp(1.4rem, 3.6vw, 2rem);
    text-shadow: 0 2px 18px rgba(18, 8, 38, 0.5);
}

.final-cta p {
    color: rgba(246, 239, 255, 0.92);
    margin: 0.6rem auto 1.4rem;
    max-width: 46ch;
}

/* ---------- 内页通用 CTA ---------- */

.page-cta {
    text-align: center;
    padding-bottom: 3.4rem;
}

.page-cta p {
    color: var(--muted);
    margin-bottom: 1.2rem;
}

.page-cta .btn {
    margin: 0.3rem 0.4rem;
}

/* ---------- About：概念视图 ---------- */

.concept-view {
    max-width: var(--shell);
    margin: 0 auto;
    padding: 2.6rem 1.25rem 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.6rem;
}

.concept-figure {
    margin: 0;
}

.concept-figure img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    border-radius: 20px;
    border: 1px solid rgba(217, 165, 179, 0.32);
    box-shadow: 0 22px 54px rgba(5, 1, 16, 0.55);
}

.concept-figure figcaption {
    color: var(--faint);
    font-size: 0.85rem;
    text-align: center;
    margin-top: 0.6rem;
}

.concept-notes h3 {
    color: var(--gold);
    font-size: 1.16rem;
    margin: 1rem 0 0.4rem;
}

.concept-notes h3:first-child {
    margin-top: 0;
}

.concept-notes p {
    color: var(--muted);
    margin-bottom: 0.8rem;
    max-width: 60ch;
}

/* ---------- About：等级标尺 ---------- */

.rung-section,
.outlook-section {
    max-width: var(--shell);
    margin: 0 auto;
    padding: 3.2rem 1.25rem 0;
}

.rung-rail {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
    position: relative;
}

.rung-rail::before {
    content: "";
    position: absolute;
    left: 0.64rem;
    top: 0.8rem;
    bottom: 0.8rem;
    width: 1px;
    background: linear-gradient(180deg, var(--rose), var(--violet));
}

.rung-row {
    display: grid;
    grid-template-columns: 1.5rem minmax(0, 1fr);
    gap: 0.9rem;
    align-items: start;
}

.rung-dot {
    width: 1.3rem;
    height: 1.3rem;
    border-radius: 50%;
    margin-top: 0.4rem;
    background: var(--noir);
    border: 2px solid var(--rose);
    box-shadow: 0 0 12px rgba(217, 165, 179, 0.65);
}

.rung-text h4 {
    color: #fff;
    font-size: 1.06rem;
    margin-bottom: 0.25rem;
}

.rung-text p {
    color: var(--muted);
    font-size: 0.95rem;
    max-width: 62ch;
}

/* ---------- About：内容观卡片 ---------- */

.outlook-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.9rem;
}

.outlook-card {
    border: 1px solid var(--hairline);
    border-radius: 18px;
    padding: 1.2rem 1.3rem;
    background: linear-gradient(150deg,
        rgba(168, 85, 247, 0.09), rgba(23, 11, 46, 0.4));
}

.outlook-card h4 {
    color: var(--rose);
    margin-bottom: 0.3rem;
}

.outlook-card p {
    color: var(--muted);
    font-size: 0.95rem;
}

.quote-pair {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.9rem;
    margin-top: 1.4rem;
}

.quote-pair blockquote {
    margin: 0;
    padding: 1rem 1.2rem;
    border-radius: 14px;
    background: rgba(23, 11, 46, 0.6);
    border: 1px solid rgba(184, 148, 255, 0.16);
    font-size: 0.98rem;
    color: #e6d8ff;
    font-style: italic;
}

/* ---------- About：诚实框 ---------- */

.honesty-box {
    max-width: var(--shell);
    margin: 3rem auto 0;
    padding: 0 1.25rem;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.1rem;
    border: 1px solid rgba(233, 201, 138, 0.5);
    border-radius: 20px;
    background: rgba(233, 201, 138, 0.07);
    padding-top: 1.6rem;
    padding-bottom: 1.6rem;
}

.honesty-mark {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--noir);
    background: var(--grad-rose-gold);
}

.honesty-copy h3 {
    color: var(--gold);
    margin-bottom: 0.5rem;
}

.honesty-copy p {
    color: var(--muted);
    font-size: 0.96rem;
    max-width: 74ch;
}

/* ---------- Product：玩法书架 ---------- */

.tier-shelf {
    max-width: var(--shell);
    margin: 0 auto;
    padding: 2.4rem 1.25rem 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 2.2rem;
}

.tier-group {
    border: 1px solid var(--hairline);
    border-radius: 22px;
    background: linear-gradient(165deg,
        rgba(168, 85, 247, 0.07), rgba(23, 11, 46, 0.45));
    padding: 1.5rem 1.3rem;
    position: relative;
    overflow: clip;
}

.tier-head {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.2rem;
}

.tier-badge {
    flex: none;
    width: 3.1rem;
    height: 3.1rem;
    display: grid;
    place-items: center;
    font-size: 1.3rem;
    color: #2a1038;
    border-radius: 14px;
    background: var(--grad-rose-gold);
    box-shadow: 0 8px 22px rgba(217, 165, 179, 0.35);
}

.tier-heading h3 {
    color: #fff;
    font-size: 1.35rem;
}

.tier-heading p {
    color: var(--muted);
    font-size: 0.9rem;
}

.dl-pairs {
    margin: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.75rem;
}

.dl-pair {
    border-radius: 14px;
    background: rgba(18, 8, 38, 0.5);
    border: 1px solid rgba(184, 148, 255, 0.14);
    padding: 0.9rem 1rem;
}

.dl-pair dt {
    color: var(--gold);
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.dl-pair dd {
    margin: 0;
    color: var(--muted);
    font-size: 0.92rem;
}

.tier-figure {
    margin: 1.3rem 0 0;
}

.tier-figure img {
    width: 100%;
    aspect-ratio: 21 / 9;
    object-fit: cover;
    border-radius: 18px;
    border: 1px solid rgba(184, 148, 255, 0.24);
}

.tier-figure-tall {
    max-width: 340px;
    margin-left: auto;
    margin-right: auto;
}

.tier-figure-tall img {
    aspect-ratio: 9 / 16;
    max-height: 620px;
    object-position: center top;
}

.tier-figure figcaption {
    color: var(--faint);
    font-size: 0.84rem;
    margin-top: 0.5rem;
    text-align: center;
}

/* ---------- News：动态脉冲 ---------- */

.news-duo {
    max-width: var(--shell);
    margin: 0 auto;
    padding: 2.6rem 1.25rem 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
    align-items: start;
}

.news-column h3,
.notice-stack h3 {
    color: var(--gold);
    font-size: 1.15rem;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.news-item {
    border-left: 2px solid rgba(168, 85, 247, 0.5);
    padding: 0 0 0 1.1rem;
    margin-bottom: 1.5rem;
}

.news-meta {
    color: var(--rose);
    font-size: 0.82rem;
    letter-spacing: 0.08em;
}

.news-item h4 {
    color: #fff;
    font-size: 1.05rem;
    margin: 0.2rem 0;
}

.news-item p:last-child {
    color: var(--muted);
    font-size: 0.94rem;
    max-width: 60ch;
}

.notice-stack {
    border-radius: 20px;
    border: 1px solid rgba(233, 201, 138, 0.35);
    background: rgba(233, 201, 138, 0.06);
    padding: 1.4rem 1.3rem;
}

.notice-card {
    margin-bottom: 1.2rem;
}

.notice-card h4 {
    color: var(--gold);
    font-size: 1rem;
    margin-bottom: 0.3rem;
}

.notice-card p {
    color: var(--muted);
    font-size: 0.93rem;
}

.news-still {
    max-width: var(--shell);
    margin: 2.2rem auto 0;
    padding: 0 1.25rem;
}

.news-still img {
    width: 100%;
    aspect-ratio: 21 / 9;
    object-fit: cover;
    border-radius: 20px;
    border: 1px solid rgba(184, 148, 255, 0.28);
    box-shadow: 0 20px 50px rgba(5, 1, 16, 0.5);
}

.news-still figcaption {
    text-align: center;
    color: var(--faint);
    font-size: 0.85rem;
    margin-top: 0.6rem;
}

.news-more {
    max-width: var(--shell);
    margin: 0 auto;
    padding: 2.6rem 1.25rem 0;
    text-align: center;
}

.news-more p {
    color: var(--muted);
    max-width: 54ch;
    margin: 0 auto 1.1rem;
}

/* ---------- Contact：会员支持 duo ---------- */

.support-duo {
    max-width: var(--shell);
    margin: 0 auto;
    padding: 2.4rem 1.25rem 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
    align-items: start;
}

.support-faq h3,
.boundary-card h3 {
    color: var(--gold);
    font-size: 1.15rem;
    margin-bottom: 1rem;
}

.boundary-card {
    border: 1px solid rgba(217, 165, 179, 0.3);
    border-radius: 20px;
    background: linear-gradient(160deg,
        rgba(217, 165, 179, 0.08), rgba(23, 11, 46, 0.45));
    padding: 1.5rem 1.4rem;
}

.boundary-card p {
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.boundary-figure {
    margin: 0 0 1.1rem;
}

.boundary-figure img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    border-radius: 16px;
    border: 1px solid rgba(184, 148, 255, 0.24);
}

.step-list {
    list-style: none;
    margin: 1.2rem 0 0;
    padding: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.8rem;
}

.step-item {
    display: flex;
    gap: 0.9rem;
    align-items: flex-start;
    border-radius: 14px;
    background: rgba(18, 8, 38, 0.55);
    padding: 0.9rem 1rem;
}

.step-no {
    flex: none;
    width: 2.1rem;
    height: 2.1rem;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: var(--noir);
    font-weight: 700;
    background: var(--grad-rose-gold);
}

.step-item p {
    margin: 0;
    font-size: 0.94rem;
}

/* ---------- Game：模式画廊 2+1+2 ---------- */

.gallery-mirror {
    max-width: var(--shell);
    margin: 0 auto;
    padding: 2.4rem 1.25rem 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.1rem;
}

.gallery-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.1rem;
}

.mode-card {
    border: 1px solid var(--hairline);
    border-radius: 20px;
    background: linear-gradient(165deg,
        rgba(168, 85, 247, 0.1), rgba(23, 11, 46, 0.5));
    padding: 1.5rem 1.4rem;
}

.mode-icon {
    font-size: 1.7rem;
    color: var(--gold);
    display: block;
    margin-bottom: 0.9rem;
}

.mode-card h3 {
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.mode-card p {
    color: var(--muted);
    font-size: 0.95rem;
}

.mode-card-center {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.3rem;
    align-items: center;
    border-color: rgba(233, 201, 138, 0.45);
    box-shadow: 0 0 44px rgba(168, 85, 247, 0.16);
}

.mode-figure {
    margin: 0;
}

.mode-figure img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: 16px;
    border: 1px solid rgba(217, 165, 179, 0.32);
}

/* ---------- Game：三步动线 ---------- */

.gallery-path {
    max-width: var(--shell);
    margin: 0 auto;
    padding: 3.4rem 1.25rem 0;
}

.path-steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
}

.path-step {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.6rem;
    border-radius: 16px;
    border: 1px solid var(--hairline);
    background: rgba(23, 11, 46, 0.6);
    padding: 1.1rem 1.2rem;
    text-align: center;
}

.path-chip {
    justify-self: center;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: var(--noir);
    background: var(--grad-amethyst);
    border-radius: 999px;
    padding: 0.3rem 1rem;
    width: fit-content;
}

.path-step p {
    color: var(--muted);
    font-size: 0.94rem;
    margin: 0;
}

/* ---------- 小号 FAQ（product / game） ---------- */

.faq-small {
    max-width: var(--shell);
    margin: 0 auto;
    padding: 3.4rem 1.25rem 0;
}

.faq-small .faq-item {
    margin-bottom: 0.7rem;
}

/* ---------- Footer ---------- */

.site-footer {
    background: linear-gradient(180deg, #120826, #0d0620);
    border-top: 1px solid var(--hairline);
    margin-top: 3rem;
}

.footer-hairline {
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold) 22%,
        var(--violet) 50%, var(--rose) 78%, transparent);
    opacity: 0.8;
}

.footer-shell {
    max-width: var(--shell);
    margin: 0 auto;
    padding: 2.6rem 1.25rem 1.4rem;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.6rem;
}

.footer-brand p {
    color: var(--faint);
    font-size: 0.88rem;
    margin-top: 0.7rem;
    max-width: 34ch;
}

.footer-title {
    display: inline-block;
    color: #fff;
    font-weight: 700;
    font-size: 1.02rem;
}

.footer-col h4 {
    color: var(--gold);
    font-size: 0.9rem;
    letter-spacing: 0.14em;
    margin-bottom: 0.8rem;
}

.footer-col a {
    display: block;
    color: var(--muted);
    font-size: 0.92rem;
    padding: 0.28rem 0;
    transition: color 0.2s ease;
}

.footer-col a:hover {
    color: var(--rose);
}

.footer-note p {
    color: var(--faint);
    font-size: 0.88rem;
}

.footer-copy {
    border-top: 1px solid rgba(184, 148, 255, 0.14);
}

.footer-copy p {
    max-width: var(--shell);
    margin: 0 auto;
    padding: 1.1rem 1.25rem;
    color: var(--faint);
    font-size: 0.83rem;
    text-align: center;
}

/* ---------- 焦点与动效 ---------- */

a:focus-visible,
button:focus-visible,
summary:focus-visible {
    outline: 2px solid var(--rose);
    outline-offset: 3px;
    border-radius: 6px;
}

.quest-card,
.catalog-band,
.mode-card,
.tier-group,
.faq-item {
    transition: transform 0.22s ease, box-shadow 0.22s ease;
}

@media (hover: hover) {
    .quest-card:hover,
    .mode-card:hover,
    .tier-group:hover {
        transform: translateY(-3px);
        box-shadow: 0 16px 40px rgba(6, 1, 18, 0.55);
    }
}

/* ---------- 断点一：768px ---------- */

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

    .site-nav {
        flex-basis: auto;
        display: flex;
        flex-direction: row;
        gap: 0.25rem;
        padding: 0;
    }

    .site-nav a {
        padding: 0.5rem 0.9rem;
    }

    .vip-chip {
        display: inline-block;
    }

    .hero-sym {
        grid-template-columns: minmax(0, 7fr) minmax(0, 15fr) minmax(0, 7fr);
        gap: 1.8rem;
    }

    .hero-figure {
        display: block;
    }

    .hero-figure-left img {
        border-radius: 22px 8px 22px 8px;
    }

    .hero-figure-right img {
        border-radius: 8px 22px 8px 22px;
    }

    .hero-figure-right {
        transform: none;
    }

    .cta-row {
        margin-top: 2.6rem;
    }

    .tier-ladder {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    }

    .catalog-band {
        grid-template-columns: minmax(0, 9fr) minmax(0, 11fr);
        grid-template-areas: "fig body";
    }

    .band-figure {
        grid-area: fig;
    }

    .band-body {
        grid-area: body;
        padding: 1.8rem;
        align-self: center;
    }

    .catalog-band:nth-child(even) {
        grid-template-areas: "body fig";
    }

    .mini-cards {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .sport-band {
        grid-template-columns: minmax(0, 13fr) minmax(0, 11fr);
        gap: 2.2rem;
    }

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

    .voices-row,
    .outlook-row,
    .quote-pair {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

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

    .faq-grid {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        align-items: start;
    }

    .concept-view {
        grid-template-columns: minmax(0, 11fr) minmax(0, 13fr);
        align-items: center;
        gap: 2.4rem;
    }

    .honesty-box {
        grid-template-columns: auto minmax(0, 1fr);
        align-items: center;
    }

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

    .news-duo {
        grid-template-columns: minmax(0, 15fr) minmax(0, 9fr);
    }

    .support-duo {
        grid-template-columns: minmax(0, 11fr) minmax(0, 9fr);
    }

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

    .mode-card-center {
        grid-template-columns: minmax(0, 8fr) minmax(0, 12fr);
        max-width: 880px;
        justify-self: center;
        width: 100%;
    }

    .mode-figure img {
        aspect-ratio: 4 / 5;
        max-height: 620px;
    }

    .path-steps {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .footer-shell {
        grid-template-columns: minmax(0, 2fr) minmax(0, 1fr)
            minmax(0, 1fr) minmax(0, 1.4fr);
    }

    .footer-brand p {
        max-width: 30ch;
    }
}

/* ---------- 断点二：1024px（中间档补充） ---------- */

@media (min-width: 1024px) {
    .quest-rack {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

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

    .footer-brand p {
        max-width: 34ch;
    }
}

/* ---------- 断点三：1440px ---------- */

@media (min-width: 1440px) {
    body {
        font-size: 16.5px;
    }

    .hero-stage {
        padding-top: 3rem;
    }

    .glow-a {
        width: 430px;
        height: 430px;
    }

    .glow-b {
        width: 400px;
        height: 400px;
    }

    .hero-sym {
        gap: 3rem;
    }

    .final-cta {
        padding-top: 3.8rem;
        padding-bottom: 3.8rem;
    }
}