:root {
    --aura-black: #050505;
    --aura-charcoal: #10100f;
    --aura-panel: #15130f;
    --aura-ivory: #f5f0e6;
    --aura-ivory-soft: #ebe2d4;
    --aura-text: #f7f3ec;
    --aura-muted: rgba(247, 243, 236, 0.68);
    --aura-dim: rgba(247, 243, 236, 0.48);
    --aura-gold: #cfb991;
    --aura-gold-soft: #cfb991;
    --aura-line: rgba(207, 185, 145, 0.18);
    --aura-line-soft: rgba(255, 255, 255, 0.08);
    --aura-max: 1180px;
    --aura-pad: clamp(1.25rem, 4vw, 4.5rem);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--aura-text);
    background:
        radial-gradient(ellipse at 50% 0%, rgba(207, 185, 145, 0.11), transparent 34rem),
        linear-gradient(180deg, #050505 0%, #090908 48%, #050505 100%);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    letter-spacing: 0;
}

body.is-locked {
    overflow: hidden;
}

a {
    color: inherit;
}

.skip-link {
    position: fixed;
    left: 1rem;
    top: -120px;
    z-index: 100;
    padding: 0.75rem 1rem;
    color: #050505;
    background: var(--aura-gold-soft);
    text-decoration: none;
}

.skip-link:focus {
    top: 1rem;
}

.aura-nav {
    position: fixed;
    inset: 0 0 auto;
    z-index: 30;
    border-bottom: 1px solid rgba(207, 185, 145, 0.13);
    background: linear-gradient(180deg, rgba(5, 5, 5, 0.84), rgba(5, 5, 5, 0.54));
    backdrop-filter: blur(18px);
}

.aura-nav-inner {
    max-width: 1440px;
    min-height: 68px;
    margin: 0 auto;
    padding: 0 var(--aura-pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
}

.aura-wordmark {
    display: inline-flex;
    align-items: baseline;
    gap: 0.58rem;
    text-decoration: none;
    white-space: nowrap;
}

.aura-wordmark strong {
    font-size: 1.04rem;
    letter-spacing: 0.05em;
}

.aura-wordmark span {
    color: var(--aura-gold-soft);
    font-size: 0.72rem;
    letter-spacing: 0.18em;
}

.aura-links {
    display: flex;
    align-items: center;
    gap: clamp(1.1rem, 2vw, 2.35rem);
}

.aura-links a,
.aura-lang,
.aura-menu-panel a {
    color: rgba(247, 243, 236, 0.72);
    text-decoration: none;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    transition: color 0.25s ease;
}

.aura-links a:hover,
.aura-lang:hover,
.aura-menu-panel a:hover {
    color: var(--aura-gold-soft);
}

.aura-nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.aura-lang {
    text-transform: uppercase;
}

.aura-menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(207, 185, 145, 0.2);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.02);
    color: var(--aura-text);
}

.aura-menu-toggle span,
.aura-menu-toggle::before,
.aura-menu-toggle::after {
    content: "";
    display: block;
    width: 16px;
    height: 1px;
    margin: 4px auto;
    background: currentColor;
}

.aura-menu-panel {
    display: none;
    padding: 0.7rem var(--aura-pad) 1.1rem;
    border-top: 1px solid rgba(207, 185, 145, 0.1);
    background: rgba(5, 5, 5, 0.94);
}

.aura-menu-panel.is-open {
    display: grid;
    gap: 0.9rem;
}

.product-hero,
.aura-section {
    min-height: 100svh;
    position: relative;
    display: grid;
    align-items: center;
    padding: clamp(6rem, 9vw, 9rem) var(--aura-pad);
}

.product-hero {
    overflow: hidden;
    padding-top: clamp(7rem, 10vw, 9.5rem);
}

.product-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse at 62% 36%, rgba(207, 185, 145, 0.2), transparent 28rem),
        radial-gradient(ellipse at 48% 58%, rgba(255, 255, 255, 0.08), transparent 42rem),
        linear-gradient(180deg, transparent, rgba(5, 5, 5, 0.88));
}

.product-hero-inner,
.aura-section-inner,
.aura-footer-inner {
    width: min(100%, var(--aura-max));
    margin: 0 auto;
}

.product-hero-inner {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.2fr);
    gap: clamp(2.5rem, 6vw, 6rem);
    align-items: center;
}

.eyebrow {
    margin: 0 0 1.2rem;
    color: var(--aura-gold-soft);
    font-size: 0.72rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
}

.hero-copy h1,
.aura-section h2 {
    margin: 0;
    color: var(--aura-text);
    line-height: 1.02;
    letter-spacing: 0;
}

.hero-copy h1 {
    font-size: clamp(2.3rem, 4vw, 3.4rem);
    font-weight: 700;
    max-width: 12em;
    white-space: normal;
}

/* 标题/短句自动均衡换行：避免第二行只剩一两个字的孤字 */
.aura-section h2,
.statement h2,
.hero-subtitle,
.lead,
.problem-punch,
.channel-body h3,
.trio-card h3,
.science-card h3 {
    text-wrap: balance;
}

.hero-subtitle {
    margin: 1.35rem 0 0;
    color: var(--aura-ivory-soft);
    font-size: clamp(1.4rem, 2.5vw, 2.3rem);
    line-height: 1.28;
    font-weight: 520;
}

.hero-body,
.lead,
.aura-section p {
    color: var(--aura-muted);
    font-size: clamp(1rem, 1.25vw, 1.16rem);
    line-height: 1.9;
}

.hero-body {
    max-width: 36rem;
    margin: 1.4rem 0 0;
}

.hero-actions,
.mvp-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-top: 2rem;
}

.aura-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 1.25rem;
    border: 1px solid rgba(207, 185, 145, 0.38);
    border-radius: 999px;
    color: var(--aura-text);
    background: rgba(255, 255, 255, 0.035);
    text-decoration: none;
    font: inherit;
    font-size: 0.9rem;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: transform 0.28s ease, border-color 0.28s ease, background 0.28s ease;
}

.aura-button.primary {
    color: #15120b;
    border-color: rgba(207, 185, 145, 0.75);
    background: var(--aura-gold);
}

.aura-button:hover {
    transform: translateY(-2px);
    border-color: rgba(207, 185, 145, 0.72);
    background: rgba(207, 185, 145, 0.08);
}

.aura-button.primary:hover {
    background: var(--aura-gold);
}

.hero-product-card {
    position: relative;
    padding: 0;
    background: transparent;
}

.hero-product-card::before {
    display: none;
}

.hero-product-card img,
.dock-image-card img {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    height: auto;
}

.hero-product-card img {
    border-radius: 18px;
    box-shadow: 0 28px 72px rgba(0, 0, 0, 0.42);
}

.product-caption {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1rem;
    color: rgba(247, 243, 236, 0.55);
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.statement {
    text-align: center;
}

.statement .aura-section-inner {
    max-width: 880px;
}

.statement h2,
.aura-section h2 {
    font-size: clamp(1.9rem, 3.6vw, 3.3rem);
    font-weight: 680;
}

.statement .lead,
.aura-section .lead {
    max-width: 780px;
    margin: 1.6rem auto 0;
}

.dock-grid,
.logic-grid,
.mvp-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.94fr) minmax(340px, 1.06fr);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: center;
}

/* 图文板块：给图片一侧更多宽度 */
.dock-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(400px, 1.28fr);
}

.dock-image-card {
    border-radius: 18px;
    padding: 0;
    background: transparent;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
    overflow: hidden;
}

.feature-list {
    margin: 2rem 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.72rem;
}

.feature-list li {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--aura-line-soft);
    color: rgba(247, 243, 236, 0.76);
}

.sensory-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    margin-top: clamp(2.5rem, 5vw, 4rem);
    border: 1px solid var(--aura-line);
    background: var(--aura-line);
}

.sensory-card {
    min-height: 280px;
    padding: clamp(1.35rem, 2.5vw, 2rem);
    background:
        radial-gradient(ellipse at 32% 20%, rgba(207, 185, 145, 0.1), transparent 12rem),
        var(--aura-charcoal);
}

.sensory-card span {
    color: var(--aura-gold-soft);
    font-size: 0.72rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

.sensory-card h3 {
    margin: 3.5rem 0 1rem;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    line-height: 1;
}

.sensory-card p {
    margin: 0;
    color: var(--aura-muted);
    font-size: 0.98rem;
}

.logic-steps {
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--aura-line);
}

.logic-steps li {
    display: grid;
    grid-template-columns: 4.4rem 1fr;
    gap: 1rem;
    align-items: center;
    min-height: 88px;
    border-bottom: 1px solid var(--aura-line-soft);
}

.logic-steps span {
    color: var(--aura-gold-soft);
    font-size: 0.76rem;
    letter-spacing: 0.18em;
}

.logic-steps strong {
    color: var(--aura-text);
    font-size: clamp(1.1rem, 2vw, 1.45rem);
    font-weight: 520;
}

.psychology {
    background:
        radial-gradient(ellipse at 72% 42%, rgba(207, 185, 145, 0.13), transparent 28rem),
        linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
}

.mvp-panel {
    padding: clamp(2rem, 5vw, 4rem);
    border: 1px solid var(--aura-line);
    border-radius: 28px;
    background:
        radial-gradient(ellipse at 78% 18%, rgba(207, 185, 145, 0.14), transparent 24rem),
        rgba(255, 255, 255, 0.035);
}

.mvp-note {
    color: var(--aura-dim);
    font-size: 0.9rem;
    line-height: 1.8;
}

.safety {
    min-height: auto;
    padding-block: clamp(4rem, 7vw, 7rem);
}

.safety-box {
    max-width: 880px;
    padding-top: 2rem;
    border-top: 1px solid var(--aura-line);
}

.safety-box p {
    color: var(--aura-dim);
    font-size: 0.96rem;
}

.aura-footer {
    padding: 2rem var(--aura-pad) 3rem;
    border-top: 1px solid rgba(207, 185, 145, 0.13);
}

.aura-footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.aura-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.4rem;
}

.aura-footer a,
.aura-footer span {
    color: rgba(247, 243, 236, 0.58);
    text-decoration: none;
    font-size: 0.82rem;
}

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 980px) {
    .aura-links {
        display: none;
    }

    .aura-menu-toggle {
        display: block;
    }

    .product-hero-inner,
    .dock-grid,
    .logic-grid,
    .mvp-grid {
        grid-template-columns: 1fr;
    }

    .hero-copy {
        text-align: center;
    }

    .hero-body,
    .hero-actions {
        margin-left: auto;
        margin-right: auto;
        justify-content: center;
    }

    .hero-product-card {
        max-width: 760px;
        margin: 0 auto;
    }

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

@media (max-width: 640px) {
    .product-hero,
    .aura-section {
        min-height: auto;
        padding-block: 6rem;
    }

    .product-hero {
        padding-top: 7rem;
    }

    .aura-wordmark span {
        display: none;
    }

    .hero-copy h1 {
        max-width: none;
        font-size: clamp(2.1rem, 9vw, 3.05rem);
    }

    .hero-subtitle {
        font-size: 1.35rem;
    }

    .hero-keywords {
        max-width: 23rem;
        margin-left: auto;
        margin-right: auto;
        font-size: 0.78rem;
        letter-spacing: 0.11em;
    }

    .hero-actions,
    .mvp-actions {
        flex-direction: column;
    }

    .aura-button {
        width: 100%;
    }

    .hero-product-card,
    .dock-image-card,
    .mvp-panel {
        border-radius: 22px;
    }

    .product-caption {
        flex-direction: column;
        gap: 0.3rem;
    }

    .statement h2,
    .aura-section h2 {
        font-size: clamp(1.7rem, 7vw, 2.6rem);
    }

    .sensory-grid {
        grid-template-columns: 1fr;
    }

    .sensory-card {
        min-height: 220px;
    }

    .sensory-card h3 {
        margin-top: 2.4rem;
    }

    .logic-steps li {
        grid-template-columns: 1fr;
        gap: 0.4rem;
        padding: 1.15rem 0;
    }

    .aura-footer-inner {
        align-items: flex-start;
        flex-direction: column;
    }
}

/* ============================================================
   v2 · 产品页扩展组件（HERO 关键词 / 问题 / 闭环 / 四通道 /
   时间轴 / 三件套 / App 画廊 / 科学 / 价格 / 结语）
   ============================================================ */

.hero-copy h1 br { display: block; }

.hero-keywords {
    margin: 1.6rem 0 0;
    color: var(--aura-gold-soft);
    font-size: 0.82rem;
    letter-spacing: 0.14em;
    line-height: 2;
    max-width: 38rem;
}

.centered-head {
    max-width: 880px;
    margin: 0 auto;
    text-align: center;
}

.centered-head .lead {
    margin-left: auto;
    margin-right: auto;
}

/* 通用图片卡（暗底、柔光） */
.soft-image-card,
.loop-image-card {
    position: relative;
    border-radius: 18px;
    padding: 0;
    background: transparent;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
    overflow: hidden;
}

.soft-image-card img,
.loop-image-card img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 16px;
}

.loop-image-card {
    margin: clamp(2.5rem, 5vw, 4rem) auto 0;
    max-width: 820px;
}

.soft-image-card.wide {
    margin: clamp(2.5rem, 5vw, 4rem) auto 0;
    max-width: 680px;
}

/* dock-grid 反向排列（图在左） */
.dock-grid.reverse > figure { order: -1; }

/* 02 · PROBLEM */
.problem-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: center;
}

.problem-lines {
    margin: 1.8rem 0 0;
    display: grid;
    gap: 0.6rem;
}

.problem-lines p {
    margin: 0;
    color: var(--aura-dim);
    font-size: 1rem;
}

.problem-punch {
    margin: 2rem 0 0;
    color: var(--aura-text);
    font-size: clamp(1.3rem, 2.4vw, 1.9rem);
    line-height: 1.5;
    font-weight: 560;
}

/* 03 · HOW IT WORKS */
.how-cards {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    margin-top: clamp(2rem, 4vw, 3rem);
    border: 1px solid var(--aura-line);
    background: var(--aura-line);
}

.how-card {
    padding: clamp(1.3rem, 2.4vw, 1.9rem);
    background: var(--aura-charcoal);
}

.how-card span {
    color: var(--aura-gold-soft);
    font-size: 0.74rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.how-card p {
    margin: 1rem 0 0;
    color: var(--aura-muted);
    font-size: 0.96rem;
    line-height: 1.75;
}

/* 4.3 · 四通道 */
.channel-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(1.2rem, 2.5vw, 2rem);
    margin-top: clamp(2.5rem, 5vw, 4rem);
}

.channel-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--aura-line);
    border-radius: 24px;
    overflow: hidden;
    background: var(--aura-charcoal);
}

.channel-card img {
    display: block;
    width: 100%;
    height: clamp(190px, 24vw, 280px);
    object-fit: cover;
}

.channel-body {
    padding: clamp(1.4rem, 2.5vw, 2rem);
}

.channel-body span {
    color: var(--aura-gold-soft);
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.channel-body h3 {
    margin: 0.9rem 0 0.8rem;
    font-size: clamp(1.25rem, 2vw, 1.6rem);
    line-height: 1.3;
    font-weight: 560;
}

.channel-body p {
    margin: 0;
    color: var(--aura-muted);
    font-size: 0.98rem;
    line-height: 1.8;
}

.channel-spec {
    margin-top: 1rem !important;
    padding-top: 1rem;
    border-top: 1px solid var(--aura-line-soft);
    color: var(--aura-dim) !important;
    font-size: 0.85rem !important;
}

/* 05 · 一整夜场景 · 图上浮动时间轴 */
.night-scene {
    position: relative;
    margin-top: clamp(2.5rem, 5vw, 4rem);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 28px 72px rgba(0, 0, 0, 0.45);
    background: var(--aura-charcoal);
}

.night-scene-bg {
    display: block;
    width: 100%;
    height: auto;
    vertical-align: bottom;
}

/* 让底部文字区更暗、更易读（夜→晨渐变照片） */
.night-scene::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(
        180deg,
        rgba(5, 5, 5, 0.15) 0%,
        rgba(5, 5, 5, 0) 26%,
        rgba(5, 5, 5, 0.5) 66%,
        rgba(5, 5, 5, 0.92) 100%
    );
}

.night-track {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    margin: 0;
    padding: clamp(1.4rem, 3vw, 2.6rem);
    list-style: none;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(1rem, 2vw, 2rem);
    align-items: start;
}

/* 横向时间轴（连接四个节点的轴线） */
.night-track::before {
    content: "";
    position: absolute;
    top: calc(clamp(1.4rem, 3vw, 2.6rem) + 5px);
    left: clamp(1.4rem, 3vw, 2.6rem);
    right: clamp(1.4rem, 3vw, 2.6rem);
    height: 1px;
    background: linear-gradient(90deg, rgba(207, 185, 145, 0.15), rgba(207, 185, 145, 0.5), rgba(207, 185, 145, 0.15));
    z-index: 1;
}

.night-node {
    position: relative;
    padding-top: 1.5rem;
    z-index: 2;
}

.night-node::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 11px;
    height: 11px;
    border-radius: 999px;
    background: var(--aura-gold);
    box-shadow: 0 0 0 4px rgba(207, 185, 145, 0.22);
}

.night-time {
    display: block;
    color: var(--aura-gold-soft);
    font-size: 0.78rem;
    letter-spacing: 0.14em;
    margin-bottom: 0.5rem;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.75);
}

.night-node p {
    margin: 0;
    color: rgba(247, 243, 236, 0.9);
    font-size: clamp(0.82rem, 1vw, 0.96rem);
    line-height: 1.65;
    text-shadow: 0 1px 12px rgba(0, 0, 0, 0.8);
}

/* 窄屏：图片在上，时间轴改为竖排列表落到图片下方 */
@media (max-width: 980px) {
    .night-scene::after {
        display: none;
    }

    .night-track {
        position: static;
        display: block;
        border-left: 1px solid var(--aura-line);
        margin: 0 clamp(1.2rem, 5vw, 2rem) clamp(1.4rem, 5vw, 2rem);
        padding: clamp(1.5rem, 5vw, 2rem) 0 0;
    }

    .night-track::before {
        display: none;
    }

    .night-node {
        padding: 0 0 1.8rem 1.6rem;
    }

    .night-node::before {
        top: 4px;
        left: -6px;
        width: 10px;
        height: 10px;
    }

    .night-time,
    .night-node p {
        text-shadow: none;
    }

    .night-node p {
        color: var(--aura-muted);
        font-size: 1rem;
    }
}

/* 06 · 三件套 + App 画廊 */
.trio-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    margin-top: clamp(2.5rem, 5vw, 4rem);
    border: 1px solid var(--aura-line);
    background: var(--aura-line);
}

.trio-card {
    padding: clamp(1.6rem, 3vw, 2.4rem);
    background: var(--aura-charcoal);
}

.trio-card h3 {
    margin: 0 0 1rem;
    color: var(--aura-gold-soft);
    font-size: clamp(1.3rem, 2vw, 1.7rem);
    font-weight: 560;
}

.trio-card p {
    margin: 0;
    color: var(--aura-muted);
    font-size: 0.98rem;
    line-height: 1.8;
}

.app-gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1rem, 2.5vw, 1.6rem);
    margin-top: clamp(1.5rem, 3vw, 2.2rem);
}

.app-shot {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.app-shot img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 18px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.42);
}

.app-shot figcaption {
    text-align: center;
    color: var(--aura-gold-soft);
    font-size: 0.82rem;
    letter-spacing: 0.12em;
}

/* 占位卡（当前未使用，保留以兼容） */
.app-shot.placeholder {
    aspect-ratio: 9 / 16;
    border: 1px solid var(--aura-line);
    border-radius: 22px;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1.5rem;
    background:
        repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.015) 0 12px, transparent 12px 24px),
        var(--aura-charcoal);
}

/* AURA 对话画廊 */
.aura-chat-gallery {
    width: min(100%, var(--aura-max));
    margin: clamp(2rem, 4vw, 3rem) auto 0;
}

.gallery-note {
    margin: 1.2rem auto 0;
    color: var(--aura-dim);
    font-size: 0.82rem;
    text-align: center;
}

/* 07 · 选色模块 */
.colorways {
    margin-top: clamp(3rem, 6vw, 5rem);
}

.colorway-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(1.2rem, 2.5vw, 2rem);
    margin-top: clamp(1.8rem, 3.5vw, 2.8rem);
}

.colorway-card {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.colorway-card img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 18px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.42);
}

.colorway-card figcaption {
    text-align: center;
    color: var(--aura-gold-soft);
    font-size: 0.82rem;
    letter-spacing: 0.1em;
}

@media (max-width: 760px) {
    .colorway-grid {
        grid-template-columns: 1fr;
    }
}

/* 07 · 材质细节微距 */
.material-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1.2rem, 2.5vw, 2rem);
    margin-top: clamp(2.4rem, 4.5vw, 3.6rem);
}

.material-grid.four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.material-card {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.material-card img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 18px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.42);
}

.material-card figcaption {
    color: var(--aura-ivory);
    font-size: 0.95rem;
    line-height: 1.6;
}

.material-card figcaption strong {
    display: block;
    color: var(--aura-gold);
    font-size: 1.02rem;
    margin-bottom: 0.3rem;
    letter-spacing: 0.01em;
}

@media (max-width: 980px) {
    .material-grid.four {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .material-grid,
    .material-grid.four {
        grid-template-columns: 1fr;
    }
}

/* 08 · 科学与安全 */
.science-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(1.2rem, 3vw, 2rem);
    margin-top: clamp(2.5rem, 5vw, 4rem);
}

.science-card {
    padding: clamp(1.6rem, 3vw, 2.4rem);
    border: 1px solid var(--aura-line);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.02);
}

.science-card h3 {
    margin: 0 0 1rem;
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    font-weight: 560;
}

.science-card p {
    margin: 0;
    color: var(--aura-muted);
    font-size: 1rem;
    line-height: 1.85;
}

/* 10 · 价格 */
.price-line {
    margin: 0.6rem 0 1.2rem;
    color: var(--aura-gold-soft);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 640;
    letter-spacing: 0.02em;
}

/* 预约表单 */
.booking-modal[hidden] {
    display: none;
}

.booking-modal {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: grid;
    place-items: center;
    padding: clamp(1rem, 4vw, 2rem);
}

.booking-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.74);
    backdrop-filter: blur(18px);
}

.booking-dialog {
    position: relative;
    width: min(100%, 560px);
    max-height: min(760px, calc(100dvh - 2rem));
    overflow: auto;
    padding: clamp(1.5rem, 4vw, 2.4rem);
    border: 1px solid rgba(207, 185, 145, 0.24);
    border-radius: 24px;
    background:
        radial-gradient(circle at 18% 8%, rgba(207, 185, 145, 0.13), transparent 14rem),
        linear-gradient(180deg, rgba(22, 19, 13, 0.98), rgba(8, 8, 7, 0.98));
    box-shadow: 0 28px 90px rgba(0, 0, 0, 0.56);
}

.booking-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(207, 185, 145, 0.22);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.035);
    cursor: pointer;
}

.booking-close::before,
.booking-close::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 16px;
    height: 1px;
    background: var(--aura-ivory-soft);
}

.booking-close::before {
    transform: translate(-50%, -50%) rotate(45deg);
}

.booking-close::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

.booking-dialog h2 {
    margin: 0.35rem 3rem 0 0;
    font-size: clamp(1.7rem, 4vw, 2.45rem);
    line-height: 1.15;
}

.booking-intro {
    margin: 1rem 0 0;
    color: var(--aura-muted);
    font-size: 1rem;
    line-height: 1.75;
}

.booking-form {
    display: grid;
    gap: 1rem;
    margin-top: 1.6rem;
}

.booking-form label {
    display: grid;
    gap: 0.5rem;
}

.booking-form label > span {
    color: var(--aura-gold-soft);
    font-size: 0.86rem;
    font-weight: 650;
    letter-spacing: 0.06em;
}

.booking-form input,
.booking-form select {
    width: 100%;
    min-height: 48px;
    padding: 0 1rem;
    border: 1px solid rgba(207, 185, 145, 0.2);
    border-radius: 14px;
    color: var(--aura-text);
    background: rgba(255, 255, 255, 0.055);
    font: inherit;
    outline: none;
    color-scheme: dark;
}

.booking-form select option {
    color: var(--aura-text);
    background: var(--aura-panel);
}

.booking-form input:focus,
.booking-form select:focus {
    border-color: rgba(207, 185, 145, 0.7);
    box-shadow: 0 0 0 3px rgba(207, 185, 145, 0.14);
}

.booking-form input::placeholder {
    color: var(--aura-dim);
}

.booking-consent {
    grid-template-columns: 18px 1fr;
    align-items: center;
    gap: 0.65rem;
    color: var(--aura-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.booking-consent input {
    width: 18px;
    min-height: 18px;
    margin: 0;
    accent-color: var(--aura-gold);
}

.booking-consent a {
    color: var(--aura-gold-soft);
    text-decoration: underline;
    text-decoration-color: rgba(207, 185, 145, 0.68);
    text-underline-offset: 0.18em;
    transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.booking-consent a:hover {
    color: #cfb991;
    text-decoration-color: #cfb991;
}

.booking-submit {
    width: 100%;
    margin-top: 0.25rem;
}

.booking-status {
    min-height: 1.5rem;
    margin: 0;
    color: var(--aura-muted);
    font-size: 0.92rem;
    line-height: 1.6;
}

.booking-status.is-success {
    color: #dcefc7;
}

.booking-status.is-error {
    color: #ffb4a8;
}

/* 11 · 结语 */
.closing {
    text-align: center;
    background:
        radial-gradient(ellipse at 50% 40%, rgba(207, 185, 145, 0.12), transparent 30rem),
        linear-gradient(180deg, transparent, rgba(5, 5, 5, 0.6));
}

.closing .aura-section-inner {
    max-width: 900px;
    margin: 0 auto;
}

@media (max-width: 980px) {
    .problem-grid,
    .dock-grid.reverse {
        grid-template-columns: 1fr;
    }

    .dock-grid.reverse > figure { order: 0; }

    .how-cards,
    .channel-grid,
    .trio-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .science-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .how-cards,
    .channel-grid,
    .trio-grid {
        grid-template-columns: 1fr;
    }

    .app-gallery {
        grid-template-columns: 1fr;
        max-width: 360px;
        margin-left: auto;
        margin-right: auto;
    }
}