/* ============================================================
   Ma Tun Drums — minimal Chinese cultural design system
   新中式极简：纸白留白 · 墨色细字重 · 极细线框 · 朱砂一点
   ============================================================ */

:root {
    --paper: #FAF7F1;        /* 纸白 */
    --paper-2: #F1ECE1;      /* 稍深的纸色（用于交替区块） */
    --ink: #211E19;          /* 墨 */
    --ink-soft: #55503F;     /* 次级墨 */
    --ink-faint: #77705F;    /* 淡墨 */
    --line: #DED6C6;         /* 发丝线 */
    --cinnabar: #A63C2C;     /* 朱砂 —— 全站唯一点缀色 */
    --cinnabar-deep: #8A2F22;
    --gold: #A98D55;         /* 保留变量名（兼容），极少使用 */
    --white: #FFFFFF;
    --serif: 'Noto Serif SC', 'Songti SC', 'SimSun', Georgia, serif;
    --sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
    --radius: 2px;           /* 直角为主，克制 */
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--sans);
    font-weight: 300;
    color: var(--ink);
    background: var(--paper);
    line-height: 1.85;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
::selection { background: var(--cinnabar); color: var(--paper); }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; line-height: 1.45; margin: 0 0 .55em; letter-spacing: .02em; }
p { margin: 0 0 1em; }
button { font-family: inherit; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 28px; }
.narrow { max-width: 800px; }

/* ---------- Typography helpers ---------- */
.kicker {
    display: inline-flex; align-items: center; gap: 12px;
    font-size: .78rem;
    letter-spacing: .34em;
    text-transform: uppercase;
    color: var(--cinnabar);
    font-weight: 500;
    margin-bottom: 18px;
}
.kicker::before { content: ""; width: 26px; height: 1px; background: var(--cinnabar); opacity: .7; }
.accent { color: var(--cinnabar); }
.section-sub { color: var(--ink-soft); max-width: 620px; margin: 0 auto 0 0; font-size: 1.02rem; }
.section { padding: 104px 0; }
.section-head { margin-bottom: 52px; }
.section-head h2 { font-size: clamp(1.55rem, 2.7vw, 2.15rem); letter-spacing: .06em; }
.section-head-light .kicker { color: var(--cinnabar); }
.section-head-light .kicker::before { background: var(--cinnabar); }
.section-head-light h2 { color: var(--ink); }
.section-head-light .section-sub { color: var(--ink-soft); }
.section-cta { margin-top: 44px; }
.source-note { font-size: .8rem; color: var(--ink-faint); margin-top: 30px; line-height: 1.7; }
.block-title { font-size: 1.25rem; margin: 56px 0 22px; letter-spacing: .04em; }
.empty-state { text-align: center; color: var(--ink-soft); padding: 64px 0; }

/* ---------- Buttons（直角细线，克制） ---------- */
.btn {
    display: inline-block;
    padding: 13px 34px;
    border-radius: var(--radius);
    font-weight: 400;
    font-size: .92rem;
    letter-spacing: .12em;
    border: 1px solid var(--ink);
    cursor: pointer;
    transition: all .25s ease;
    text-align: center;
    background: transparent;
    color: var(--ink);
}
.btn-gold { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-gold:hover { background: var(--cinnabar); border-color: var(--cinnabar); color: var(--paper); }
.btn-ghost { background: transparent; color: var(--paper); border-color: rgba(250,247,241,.55); }
.btn-ghost:hover { border-color: var(--paper); color: var(--paper); background: rgba(250,247,241,.08); }
.btn-ghost-light { background: transparent; color: var(--paper); border-color: rgba(250,247,241,.55); }
.btn-ghost-light:hover { border-color: var(--paper); color: var(--paper); background: rgba(250,247,241,.08); }
.btn-outline { background: transparent; color: var(--cinnabar); border-color: var(--cinnabar); }
.btn-outline:hover { background: var(--cinnabar); color: var(--paper); }
.btn-sm { padding: 8px 20px; font-size: .8rem; letter-spacing: .1em; }
.btn-lg { padding: 15px 44px; font-size: 1rem; }
.btn-block { display: block; width: 100%; }

/* ---------- Header（纸白 + 发丝线） ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(250,247,241,.94);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 16px; padding-bottom: 16px; }
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark { width: 40px; height: 40px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-name { font-family: var(--serif); font-weight: 500; color: var(--ink); font-size: 1.12rem; letter-spacing: .14em; }
.brand-tag { font-size: .62rem; color: var(--ink-faint); letter-spacing: .14em; margin-top: 2px; }

.main-nav { display: flex; align-items: center; gap: 18px; }
.nav-links { display: flex; gap: 0; }
.nav-links a {
    color: var(--ink-soft);
    font-size: .82rem;
    font-weight: 400;
    letter-spacing: .06em;
    padding: 8px 10px;
    transition: color .18s ease;
    border-bottom: 1px solid transparent;
    white-space: nowrap;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); border-bottom-color: var(--cinnabar); }

/* ---------- Nav dropdowns ---------- */
.nav-links li { position: relative; }
.has-children > a { display: inline-flex; align-items: center; }
.has-children > a::after {
    content: "";
    width: 5px; height: 5px;
    margin-left: 7px;
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: translateY(-1px) rotate(45deg);
    transition: transform .2s ease;
}
.has-children:hover > a::after { transform: translateY(2px) rotate(45deg); }
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 250px;
    background: var(--paper);
    border: 1px solid var(--line);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity .18s ease, transform .18s ease, visibility .18s;
    box-shadow: 0 18px 40px rgba(33,30,25,.08);
    z-index: 80;
}
.nav-links li:hover > .dropdown-menu,
.nav-links li:focus-within > .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: none;
}
.dropdown-menu a {
    display: block;
    padding: 10px 22px;
    font-size: .82rem;
    letter-spacing: .05em;
    color: var(--ink-soft);
    white-space: nowrap;
    border-bottom: 0;
}
.dropdown-menu a:hover { color: var(--cinnabar); background: var(--paper-2); }
.dropdown-menu a.active { color: var(--ink); background: var(--paper-2); border-bottom: 0; }
.nav-actions { display: flex; align-items: center; gap: 16px; }
.lang-switch {
    font-size: .8rem;
    letter-spacing: .14em;
    color: var(--ink);
    border: 1px solid var(--ink);
    padding: 7px 16px;
    border-radius: var(--radius);
    transition: all .2s ease;
}
.lang-switch:hover { background: var(--ink); color: var(--paper); }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 1.5px; background: var(--ink); margin: 5px 0; border-radius: 1px; transition: all .2s; }

/* ---------- Hero（留白主视觉） ---------- */
.hero {
    position: relative;
    background: var(--paper);
    color: var(--ink);
    padding: 118px 0 128px;
    overflow: hidden;
}
.hero::after {
    content: "";
    position: absolute;
    right: -140px; top: -140px;
    width: 520px; height: 520px;
    border: 1px solid var(--line);
    border-radius: 50%;
    pointer-events: none;
}
.hero::before {
    content: "";
    position: absolute;
    right: -60px; top: -60px;
    width: 360px; height: 360px;
    border: 1px solid rgba(222,214,198,.7);
    border-radius: 50%;
    pointer-events: none;
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero-kicker { margin-bottom: 22px; }
.hero-title { font-size: clamp(2.4rem, 4.6vw, 3.9rem); font-weight: 400; letter-spacing: .05em; line-height: 1.25; margin-bottom: 26px; }
.hero-title::after { content: ""; display: block; width: 46px; height: 2px; background: var(--cinnabar); margin-top: 28px; }
.hero-sub { font-size: 1.02rem; color: var(--ink-soft); max-width: 500px; margin-bottom: 40px; line-height: 2; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-art { display: flex; justify-content: center; align-items: center; position: relative; }
.hero-drum { width: min(380px, 100%); animation: float 7s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.hero-scroll {
    position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 10px;
    color: var(--ink-faint); font-size: .7rem; letter-spacing: .3em;
}
.scroll-line { width: 1px; height: 40px; background: linear-gradient(180deg, var(--ink-faint), transparent); }

/* ---------- Sound section（发丝线分隔，无卡片） ---------- */
.section-sound { background: var(--paper); }
.sound-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sound-card {
    padding: 44px 20px 40px;
    display: flex; flex-direction: column; align-items: center; gap: 16px;
    cursor: pointer;
    border-left: 1px solid var(--line);
    transition: background .25s ease;
    position: relative;
}
.sound-card:first-child { border-left: 0; }
.sound-card:hover { background: var(--paper-2); }
.sound-card.playing { background: var(--paper-2); }
.sound-card.playing::after { content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 34px; height: 2px; background: var(--cinnabar); }
.sound-card img { width: 128px; height: 128px; object-fit: contain; }
.sound-name { font-family: var(--serif); font-weight: 500; font-size: 1.05rem; letter-spacing: .12em; }
.sound-hint { display: flex; align-items: center; gap: 8px; font-size: .78rem; color: var(--ink-faint); letter-spacing: .1em; }
.sound-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 24px; height: 24px;
    border: 1px solid var(--cinnabar);
    color: var(--cinnabar);
    font-size: .58rem;
    border-radius: 50%;
    transition: all .2s ease;
}
.sound-card.playing .sound-icon { background: var(--cinnabar); color: var(--paper); }

/* ---------- Culture（大字陈述，无暗底） ---------- */
.section-culture { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.culture-chips { display: flex; flex-wrap: wrap; margin: 6px 0 6px; }
.chip {
    font-family: var(--serif);
    color: var(--ink-soft);
    font-size: .98rem;
    letter-spacing: .14em;
    padding: 8px 26px;
    border-right: 1px solid var(--line);
    line-height: 1.4;
}
.chip:last-child { border-right: 0; }

/* ---------- Village / stats（大字数字，发丝线分隔） ---------- */
.section-village { background: var(--paper); }
.stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat { padding: 40px 20px; text-align: center; display: flex; flex-direction: column; gap: 8px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat-num { font-family: var(--serif); font-weight: 400; font-size: clamp(1.9rem, 3.4vw, 2.8rem); letter-spacing: .02em; color: var(--ink); line-height: 1.2; }
.stat-num::after { content: ""; display: block; width: 18px; height: 1px; background: var(--cinnabar); margin: 12px auto 0; }
.stat-label { font-size: .82rem; color: var(--ink-faint); letter-spacing: .12em; }

/* ---------- Craft steps（序号 + 发丝线） ---------- */
.section-craft { background: var(--paper); }
.craft-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: 1px solid var(--line);
}
.craft-step {
    padding: 30px 26px 30px 0;
    position: relative;
    display: flex; flex-direction: column; gap: 10px;
    border-bottom: 1px solid var(--line);
    margin-right: 26px;
    transition: opacity .2s ease;
}
.craft-step:hover { opacity: .75; }
.step-num {
    font-family: var(--serif);
    font-size: .86rem;
    letter-spacing: .2em;
    color: var(--cinnabar);
    margin-bottom: 6px;
}
.step-label { font-family: var(--serif); font-weight: 500; font-size: 1.06rem; letter-spacing: .08em; }
.step-text { font-size: .86rem; color: var(--ink-faint); line-height: 1.8; }
.craft-steps-large { grid-template-columns: repeat(4, 1fr); }

/* ---------- Products ---------- */
.section-products { background: var(--paper); }
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.category-card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 34px 30px;
    display: flex; flex-direction: column; gap: 14px;
    transition: all .25s ease;
    position: relative;
}
.category-card:hover { border-color: var(--ink); background: var(--paper-2); }
.category-card::after { content: ""; position: absolute; top: 0; left: 30px; width: 30px; height: 2px; background: var(--cinnabar); }
.category-name { font-family: var(--serif); font-weight: 500; font-size: 1.28rem; letter-spacing: .1em; color: var(--ink); }
.category-short { font-size: .9rem; color: var(--ink-faint); flex: 1; line-height: 1.8; }
.category-children { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
    font-size: .74rem;
    letter-spacing: .06em;
    padding: 5px 12px;
    border: 1px solid var(--line);
    color: var(--ink-soft);
    border-radius: var(--radius);
    transition: all .18s ease;
}
.tag-link:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.category-link { font-size: .84rem; letter-spacing: .14em; color: var(--cinnabar); font-weight: 400; }
.category-link::after { content: "→"; margin-left: 8px; transition: margin .2s ease; }
.category-link:hover::after { margin-left: 14px; }

.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.product-card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex; flex-direction: column;
    transition: all .25s ease;
}
.product-card:hover { border-color: var(--ink); }
.product-thumb { background: var(--paper-2); border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: center; padding: 30px; }
.product-thumb img { width: 132px; height: 132px; object-fit: contain; transition: transform .4s ease; }
.product-card:hover .product-thumb img { transform: scale(1.04); }
.product-info { padding: 22px 22px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-name { font-family: var(--serif); font-weight: 500; font-size: 1.02rem; letter-spacing: .06em; }
.product-tagline { font-size: .82rem; color: var(--ink-faint); flex: 1; line-height: 1.7; }
.product-meta { display: flex; justify-content: space-between; font-size: .78rem; letter-spacing: .04em; color: var(--cinnabar); border-top: 1px solid var(--line); padding-top: 12px; margin-top: 8px; }

/* ---------- Needs（克制列表） ---------- */
.section-needs { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.needs-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); }
.need-card {
    padding: 34px 18px;
    text-align: center;
    font-family: var(--serif);
    font-weight: 400;
    letter-spacing: .1em;
    font-size: 1rem;
    border-left: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    transition: color .2s ease;
}
.need-card:nth-child(4n+1) { border-left: 0; }
.need-card:hover { color: var(--cinnabar); }

/* ---------- Stories / projects ---------- */
.section-stories { background: var(--paper-2); border-top: 1px solid var(--line); }
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.project-card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex; flex-direction: column;
    transition: all .25s ease;
}
.project-card:hover { border-color: var(--ink); }
.project-thumb { position: relative; background: var(--paper); border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: center; padding: 34px; }
.project-thumb img { width: 140px; height: 140px; object-fit: contain; }
.project-year {
    position: absolute; top: 16px; right: 16px;
    font-size: .72rem; letter-spacing: .12em;
    color: var(--ink-faint);
    border: 1px solid var(--line);
    padding: 4px 12px;
    border-radius: var(--radius);
    background: var(--paper);
}
.project-info { padding: 24px 24px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.project-country { font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--cinnabar); }
.project-title { font-family: var(--serif); font-weight: 500; font-size: 1.1rem; letter-spacing: .05em; }
.project-summary { font-size: .87rem; color: var(--ink-faint); flex: 1; line-height: 1.8; }

/* ---------- CTA band（墨色一屏，安静） ---------- */
.cta-band {
    background: var(--ink);
    color: var(--paper);
    text-align: center;
    position: relative;
    border-top: 2px solid var(--cinnabar);
}
.cta-inner { padding: 96px 0; }
.cta-inner h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); letter-spacing: .1em; margin-bottom: 16px; font-weight: 400; }
.cta-inner p { color: rgba(250,247,241,.72); max-width: 540px; margin: 0 auto 38px; font-size: .98rem; }

/* ---------- Page hero（浅色内页头） ---------- */
.page-hero {
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    color: var(--ink);
    padding: 72px 0 64px;
}
.page-hero-sm { padding: 40px 0 30px; }
.page-hero h1 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); letter-spacing: .08em; margin: 10px 0 14px; font-weight: 400; }
.page-hero .kicker { margin-bottom: 8px; }
.page-lead { color: var(--ink-soft); max-width: 680px; font-size: 1.02rem; line-height: 2; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 10px; font-size: .8rem; color: var(--ink-faint); margin-bottom: 20px; letter-spacing: .06em; }
.breadcrumb a { color: var(--ink-soft); }
.breadcrumb a:hover { color: var(--cinnabar); }
.breadcrumb span { color: var(--line); }
.page-hero .source-note { color: var(--ink-faint); }

/* ---------- Lists / blocks ---------- */
.section-list { background: var(--paper); }
.category-block { margin-bottom: 64px; }
.category-block-head { margin-bottom: 22px; }
.category-block-head h2 { font-size: 1.5rem; letter-spacing: .06em; }
.category-block-head h3 { font-size: 1.2rem; letter-spacing: .05em; color: var(--ink); }
.category-block-head p { color: var(--ink-faint); margin: 0; }
.category-children-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }

/* ---------- Detail ---------- */
.section-detail { background: var(--paper); }
.detail-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: start; }
.detail-media {
    position: relative;
    background: var(--paper-2);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 52px;
    display: flex; align-items: center; justify-content: center;
}
.detail-media::after { content: ""; position: absolute; top: 14px; left: 14px; right: 14px; bottom: 14px; border: 1px solid rgba(222,214,198,.8); pointer-events: none; }
.detail-media img { width: 100%; max-width: 400px; position: relative; }
.custom-badge {
    position: absolute; top: 26px; left: 26px;
    background: var(--cinnabar);
    color: var(--paper);
    font-size: .72rem; letter-spacing: .16em;
    padding: 6px 16px;
    border-radius: var(--radius);
    z-index: 1;
}
.detail-body h1 { font-size: clamp(1.7rem, 3vw, 2.3rem); letter-spacing: .06em; font-weight: 400; }
.detail-tagline { font-family: var(--serif); color: var(--cinnabar); font-size: 1.02rem; margin-bottom: 16px; }
.detail-desc { color: var(--ink-soft); line-height: 2; }
.spec-table { width: 100%; border-collapse: collapse; margin: 26px 0; }
.spec-table th, .spec-table td { border-bottom: 1px solid var(--line); padding: 14px 8px; text-align: left; vertical-align: top; }
.spec-table th { width: 40%; font-size: .82rem; color: var(--ink-faint); font-weight: 400; letter-spacing: .1em; }
.spec-table td { font-weight: 300; }
.detail-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.section-related { background: var(--paper-2); border-top: 1px solid var(--line); }

/* ---------- About / info cards ---------- */
.section-about { background: var(--paper); }
.about-grid { display: grid; grid-template-columns: 1.5fr .5fr; gap: 56px; align-items: start; }
.about-copy p { color: var(--ink-soft); font-size: 1.02rem; line-height: 2.05; }
.about-stats { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--line); }
.about-stats .stat { padding: 26px 0; border-left: 0; text-align: left; border-bottom: 1px solid var(--line); align-items: flex-start; }
.about-stats .stat-num::after { margin: 12px 0 0; }
.section-band { background: var(--paper-2); border-top: 1px solid var(--line); }
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.info-card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 36px 30px;
    position: relative;
}
.info-card::before { content: ""; position: absolute; top: 0; left: 30px; width: 26px; height: 2px; background: var(--cinnabar); }
.info-card h3 { color: var(--ink); font-size: 1.18rem; letter-spacing: .08em; }
.info-card p { color: var(--ink-faint); font-size: .92rem; margin: 0; line-height: 1.9; }

/* Timeline */
.section-timeline { background: var(--paper); }
.timeline { position: relative; margin: 34px 0 0; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 1px; background: var(--line); }
.timeline-item { position: relative; padding: 0 0 34px 24px; display: flex; flex-direction: column; gap: 6px; }
.timeline-dot { position: absolute; left: -32px; top: 8px; width: 9px; height: 9px; border-radius: 50%; background: var(--cinnabar); border: 2px solid var(--paper); }
.timeline-title { font-family: var(--serif); font-weight: 500; font-size: 1.12rem; letter-spacing: .08em; color: var(--ink); }
.timeline-text { color: var(--ink-faint); }

/* ---------- Craft page ---------- */
.section-materials { background: var(--paper); }
.section-materials h2 { color: var(--ink); }
.section-materials p { color: var(--ink-soft); font-size: 1.02rem; line-height: 2; }
.section-craft-steps { background: var(--paper-2); border-top: 1px solid var(--line); }
.steps-intro { margin-bottom: 34px; color: var(--ink-faint); font-weight: 400; }
.section-capacity { background: var(--paper); }

/* ---------- Wholesale ---------- */
.section-why { background: var(--paper); }
.section-why h2 { color: var(--ink); }
.reason-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); margin-top: 28px; }
.reason-card {
    padding: 26px 24px 26px 0;
    font-weight: 300;
    display: flex; align-items: baseline; gap: 14px;
    border-bottom: 1px solid var(--line);
    margin-right: 24px;
    font-size: .95rem;
    color: var(--ink-soft);
    counter-increment: none;
}
.reason-card::before { content: "01"; font-family: var(--serif); color: var(--cinnabar); font-size: .78rem; letter-spacing: .1em; }
.reason-card:nth-child(2)::before { content: "02"; }
.reason-card:nth-child(3)::before { content: "03"; }
.reason-card:nth-child(4)::before { content: "04"; }
.reason-card:nth-child(5)::before { content: "05"; }
.reason-card:nth-child(6)::before { content: "06"; }
.section-tiers { background: var(--paper-2); border-top: 1px solid var(--line); }
.section-tiers h2 { color: var(--ink); }
.tier-table { width: 100%; border-collapse: collapse; }
.tier-table th, .tier-table td { padding: 22px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.tier-table tr:last-child th, .tier-table tr:last-child td { border-bottom: 0; }
.tier-table th { width: 32%; }
.tier-name { display: block; font-family: var(--serif); font-weight: 500; letter-spacing: .06em; color: var(--ink); }
.tier-price { display: inline-block; margin-top: 8px; color: var(--cinnabar); font-size: .9rem; letter-spacing: .04em; }
.tier-table td { color: var(--ink-faint); font-size: .92rem; line-height: 1.9; }
.section-logistics { background: var(--paper); }
.section-process { background: var(--paper-2); border-top: 1px solid var(--line); }
.section-process h2 { color: var(--ink); }
.process-steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; border-top: 1px solid var(--line); margin: 30px 0 10px; }
.process-step {
    padding: 26px 18px 26px 0;
    text-align: left;
    font-weight: 300;
    font-size: .86rem;
    display: flex; flex-direction: column; gap: 8px;
    border-left: 1px solid var(--line);
    padding-left: 20px;
    color: var(--ink-soft);
}
.process-step:first-child { border-left: 0; padding-left: 0; }
.process-step::before { content: ""; width: 18px; height: 1px; background: var(--cinnabar); }

/* ---------- Contact / quote form ---------- */
.section-contact { background: var(--paper); }
.contact-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 56px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 34px; }
.info-block h3 { font-size: .84rem; letter-spacing: .18em; color: var(--cinnabar); margin-bottom: 8px; font-family: var(--sans); font-weight: 400; }
.info-block p { margin: 0; color: var(--ink-soft); }
.info-block a { color: var(--ink); border-bottom: 1px solid var(--line); transition: border-color .2s; }
.info-block a:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.quote-panel {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 48px;
}
.quote-panel h2 { font-size: 1.5rem; letter-spacing: .08em; font-weight: 400; }
.quote-sub { color: var(--ink-faint); margin-bottom: 30px; }
.alert { border-radius: var(--radius); padding: 14px 18px; margin-bottom: 22px; font-size: .9rem; border: 1px solid; }
.alert-success { background: var(--paper); border-color: #B9CFB2; color: #3E5E38; }
.alert-error { background: var(--paper); border-color: #D8B4AE; color: var(--cinnabar-deep); }
.alert ul { list-style: disc; padding-left: 18px; }
.fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; margin: 0 0 26px; }
.fieldset legend { font-weight: 400; color: var(--cinnabar); padding: 0 10px; font-size: .84rem; letter-spacing: .16em; }
.radio-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.radio-card { cursor: pointer; }
.radio-card input { position: absolute; opacity: 0; }
.radio-card span {
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 12px 8px;
    font-size: .84rem;
    font-weight: 300;
    text-align: center;
    transition: all .18s ease;
    min-height: 48px;
    color: var(--ink-soft);
}
.radio-card input:checked + span { border-color: var(--cinnabar); background: var(--paper-2); color: var(--cinnabar); }
.radio-card:hover span { border-color: var(--ink-faint); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.field label { font-size: .82rem; font-weight: 400; color: var(--ink-soft); letter-spacing: .08em; }
.field input, .field select, .field textarea {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 12px 14px;
    font-family: inherit;
    font-size: .95rem;
    font-weight: 300;
    color: var(--ink);
    background: var(--paper);
    transition: border-color .18s ease;
    width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--cinnabar); background: var(--white); }
.file-hint { font-size: .74rem; color: var(--ink-faint); }
.form-privacy { font-size: .76rem; color: var(--ink-faint); text-align: center; margin: 16px 0 0; letter-spacing: .04em; }

/* ---------- Blog ---------- */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.post-card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex; flex-direction: column;
    transition: all .25s ease;
}
.post-card:hover { border-color: var(--ink); }
.post-thumb { background: var(--paper-2); border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: center; padding: 34px; }
.post-thumb img { width: 150px; height: 150px; object-fit: contain; }
.post-body { padding: 26px 24px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.post-date { font-size: .72rem; color: var(--ink-faint); letter-spacing: .18em; text-transform: uppercase; }
.post-title { font-family: var(--serif); font-weight: 500; font-size: 1.12rem; line-height: 1.55; letter-spacing: .04em; }
.post-excerpt { font-size: .87rem; color: var(--ink-faint); flex: 1; line-height: 1.8; }
.post-link { font-size: .84rem; letter-spacing: .14em; color: var(--cinnabar); }
.post-link::after { content: "→"; margin-left: 8px; transition: margin .2s ease; }
.post-link:hover::after { margin-left: 14px; }

/* Article */
.section-article { background: var(--paper); }
.article-head { margin-bottom: 36px; }
.article-head h1 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); letter-spacing: .06em; font-weight: 400; }
.article-excerpt { font-family: var(--serif); color: var(--ink-soft); font-size: 1.05rem; line-height: 2; }
.article-cover {
    background: var(--paper-2);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 44px;
    display: flex; justify-content: center;
    margin-bottom: 40px;
    position: relative;
}
.article-cover::after { content: ""; position: absolute; top: 12px; left: 12px; right: 12px; bottom: 12px; border: 1px solid rgba(222,214,198,.8); pointer-events: none; }
.article-cover img { max-width: 300px; position: relative; }
.article-body { font-size: 1.02rem; color: var(--ink-soft); line-height: 2.05; }
.article-body p { margin-bottom: 1.3em; }
.article-cta { margin-top: 44px; }
.project-meta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.meta-pill { border: 1px solid var(--line); border-radius: var(--radius); padding: 6px 16px; font-size: .8rem; color: var(--ink-faint); letter-spacing: .08em; }

/* ---------- Pagination ---------- */
.pagination { display: flex; justify-content: center; margin-top: 52px; }
.pagination nav > div { display: flex; gap: 6px; }
.pagination a, .pagination span {
    min-width: 38px; height: 38px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--paper);
    font-size: .86rem;
    font-weight: 300;
    color: var(--ink-soft);
    transition: all .18s ease;
}
.pagination a:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.pagination .text-gray-400, .pagination span[aria-current="page"] { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.pagination .hidden { display: none; }

/* ---------- Footer（墨色，安静） ---------- */
.site-footer {
    background: var(--ink);
    color: rgba(250,247,241,.78);
    padding: 76px 0 34px;
    position: relative;
    border-top: 2px solid var(--cinnabar);
}
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.1fr; gap: 44px; padding-bottom: 48px; border-bottom: 1px solid rgba(250,247,241,.14); }
.footer-brand { font-family: var(--serif); font-weight: 400; color: var(--paper); font-size: 1.18rem; letter-spacing: .16em; margin-bottom: 14px; }
.footer-about p { font-size: .88rem; color: rgba(250,247,241,.6); line-height: 1.9; }
.footer-col h4 { color: var(--paper); font-size: .82rem; margin-bottom: 18px; letter-spacing: .2em; font-family: var(--sans); font-weight: 400; }
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col a { font-size: .88rem; color: rgba(250,247,241,.66); transition: color .18s; }
.footer-col a:hover { color: var(--paper); }
.footer-contact li { font-size: .86rem; color: rgba(250,247,241,.58); }
.footer-bottom { padding-top: 28px; display: flex; flex-direction: column; gap: 10px; }
.footer-bottom p { font-size: .8rem; color: rgba(250,247,241,.45); margin: 0; letter-spacing: .04em; }
.footer-disclaimer { line-height: 1.8; }
.back-top {
    position: absolute; right: 30px; bottom: 32px;
    width: 42px; height: 42px;
    border-radius: 50%;
    border: 1px solid rgba(250,247,241,.5);
    color: var(--paper);
    background: transparent;
    display: flex; align-items: center; justify-content: center;
    font-size: .9rem;
    transition: all .2s ease;
}
.back-top:hover { background: var(--cinnabar); border-color: var(--cinnabar); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .9s ease, transform .9s ease; }
.reveal.in-view { opacity: 1; transform: none; }

/* ---------- Admin ---------- */
body.admin { background: var(--paper-2); }
.admin-header { background: var(--ink); color: var(--paper); padding: 14px 0; border-bottom: 2px solid var(--cinnabar); }
.admin-header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.admin-brand { font-family: var(--serif); font-weight: 400; letter-spacing: .16em; color: var(--paper); }
.admin-actions { display: flex; align-items: center; gap: 20px; font-size: .88rem; }
.admin-actions a { color: rgba(250,247,241,.72); }
.admin-actions a:hover { color: var(--paper); }
.admin-main { padding: 44px 0 90px; }
.admin-page-title { font-size: 1.6rem; letter-spacing: .06em; font-weight: 400; }
.admin-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 28px 0 44px; }
.admin-stat { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; text-align: center; }
.admin-stat .stat-num { font-size: 2rem; }
.admin-block-title { font-size: 1.2rem; margin: 34px 0 16px; letter-spacing: .06em; }
.admin-table { width: 100%; border-collapse: collapse; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: .88rem; }
.admin-table th { background: var(--paper-2); color: var(--ink); text-align: left; padding: 14px 16px; font-weight: 400; letter-spacing: .08em; border-bottom: 1px solid var(--line); }
.admin-table td { padding: 14px 16px; border-bottom: 1px solid var(--line); }
.admin-table tr:hover td { background: var(--paper-2); }
.status { font-size: .72rem; letter-spacing: .1em; padding: 4px 12px; border-radius: var(--radius); border: 1px solid; }
.status-new { border-color: #D8B4AE; color: var(--cinnabar-deep); }
.status-contacted { border-color: #D9C68F; color: #7A5B00; }
.status-closed { border-color: #C6C2B8; color: #4A463D; }
.admin-detail { display: grid; grid-template-columns: 220px 1fr; gap: 0; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; margin: 22px 0 28px; }
.admin-detail dt { font-weight: 400; color: var(--ink-faint); padding: 10px 0; border-bottom: 1px solid var(--line); font-size: .84rem; }
.admin-detail dd { margin: 0; padding: 10px 0; border-bottom: 1px solid var(--line); }
.admin-detail .pre { white-space: pre-wrap; }
.inline-form { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.inline-form select { border: 1px solid var(--line); border-radius: var(--radius); padding: 9px 12px; font-family: inherit; background: var(--paper); }
.login-box { max-width: 400px; margin: 12vh auto; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 44px; }
.login-box h1 { font-size: 1.3rem; letter-spacing: .1em; color: var(--ink); margin-bottom: 6px; font-weight: 400; }
.login-box h2 { font-size: .92rem; color: var(--ink-faint); font-weight: 300; margin-bottom: 26px; letter-spacing: .08em; }

/* ---------- Responsive ---------- */
@media (max-width: 1380px) {
    .brand-tag { display: none; }
}
@media (max-width: 1024px) {
    .sound-grid { grid-template-columns: repeat(2, 1fr); }
    .sound-card:nth-child(3) { border-left: 0; }
    .sound-card:nth-child(1), .sound-card:nth-child(3) { border-left: 0; }
    .category-grid, .product-grid, .post-grid { grid-template-columns: repeat(2, 1fr); }
    .needs-grid { grid-template-columns: repeat(2, 1fr); }
    .need-card:nth-child(4n+1) { border-left: 1px solid var(--line); }
    .need-card:nth-child(odd) { border-left: 0; }
    .project-grid { grid-template-columns: repeat(2, 1fr); }
    .craft-steps, .craft-steps-large { grid-template-columns: repeat(2, 1fr); }
    .cards-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(3, 1fr); }
    .stat { border-left: 0; border-bottom: 1px solid var(--line); }
    .process-steps { grid-template-columns: repeat(3, 1fr); }
    .hero-inner { grid-template-columns: 1fr; text-align: center; }
    .hero-title::after { margin-left: auto; margin-right: auto; }
    .hero-sub { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-art { display: none; }
    .detail-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .radio-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
    .section { padding: 72px 0; }
    .nav-toggle { display: block; }
    .main-nav { position: relative; }
    .nav-links {
        position: absolute; top: calc(100% + 10px); right: 0; left: 0;
        background: var(--paper);
        border: 1px solid var(--line);
        padding: 14px;
        flex-direction: column; gap: 4px;
        display: none;
        box-shadow: 0 24px 48px rgba(33,30,25,.08);
    }
    .main-nav.open .nav-links { display: flex; }
    .dropdown-menu {
        position: static;
        min-width: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        border: 0;
        border-top: 1px solid var(--line);
        border-bottom: 1px solid var(--line);
        box-shadow: none;
        background: transparent;
        padding: 4px 0 8px 16px;
        margin: 4px 0 6px;
    }
    .has-children > a::after { display: none; }
    .dropdown-menu a { padding: 8px 10px; }
    .nav-actions { display: none; }
    .main-nav.open .nav-actions { display: flex; flex-wrap: wrap; margin-top: 14px; }
    .sound-grid, .category-grid, .product-grid, .post-grid, .project-grid, .needs-grid { grid-template-columns: 1fr; }
    .sound-card, .sound-card:nth-child(odd), .sound-card:nth-child(3) { border-left: 0; }
    .craft-steps, .craft-steps-large { grid-template-columns: 1fr; }
    .craft-step { margin-right: 0; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .process-steps { grid-template-columns: repeat(2, 1fr); }
    .reason-grid { grid-template-columns: 1fr; }
    .reason-card { margin-right: 0; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .form-grid { grid-template-columns: 1fr; }
    .radio-grid { grid-template-columns: 1fr 1fr; }
    .quote-panel { padding: 30px 22px; }
    .hero { padding: 84px 0 110px; }
    .cta-inner { padding: 76px 0; }
}
/* Accessibility and resilient rendering */
.reveal { opacity: 1; transform: none; }
:focus-visible { outline: 2px solid var(--cinnabar); outline-offset: 4px; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 1000; padding: 12px 20px; background: var(--paper); color: var(--ink); }
.skip-link:focus { top: 12px; }
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}
/* Content workspace */
.admin-content-nav { display:flex; gap:24px; flex-wrap:wrap; padding-block:18px; border-bottom:1px solid var(--line); }
.admin-content-nav a[aria-current] { color:var(--cinnabar); text-decoration:underline; text-underline-offset:8px; }
.content-heading { display:flex; justify-content:space-between; align-items:center; gap:20px; margin:24px 0; }
.content-heading h1 { margin:0; font-size:clamp(26px,4vw,38px); }
.content-help { max-width:800px; color:var(--ink-soft); margin-bottom:24px; line-height:1.8; }
.content-search { display:flex; flex-wrap:wrap; gap:12px; align-items:center; margin:24px 0; }
.content-search input, .content-editor select { padding:10px; border:1px solid var(--line); background:var(--paper); color:var(--ink); max-width:100%; }
.content-editor { border:1px solid var(--line); padding:clamp(16px,3vw,36px); background:var(--paper); }
.content-editor .field { margin-bottom:20px; min-width:0; }
.content-editor .field-full { grid-column:1 / -1; }
.content-editor small { display:block; color:var(--ink-soft); margin-top:6px; }
.content-editor input[readonly] { background:var(--paper-2); }
.editor-preview { width:160px; height:120px; object-fit:contain; margin-bottom:12px; }
.editor-actions { display:flex; gap:24px; align-items:center; border-top:1px solid var(--line); padding-top:24px; }
.table-scroll { overflow-x:auto; }
.followup-history article { padding:20px 0; border-bottom:1px solid var(--line); }
.followup-history .pre { white-space:pre-wrap; overflow-wrap:anywhere; }
.admin-stats { grid-template-columns:repeat(auto-fit,minmax(170px,1fr)); }
@media(max-width:640px) { .content-heading { align-items:flex-start; flex-direction:column; } .admin-header-inner, .admin-actions { flex-wrap:wrap; } }
.admin-header .btn-outline { color:var(--paper); border-color:rgba(255,255,255,.45); }