/* ==========================================================================
   葳蔓诗集 Verepoetry · 品牌官网前台样式
   结构：变量与重置 → 通用 → 头部 → Hero → 星品 → 系列 → 品牌理念
        → 新闻 → 页面通用 → 目录/产品 → 品牌故事 → 关于/留言 → 页脚
        → 动效 → 响应式
   ========================================================================== */

/* ---------- 变量与重置 ---------- */
:root {
    --c-ink: #26313b;            /* 主文字 */
    --c-ink-soft: #5c6a76;       /* 次级文字 */
    --c-muted: #93a0aa;          /* 弱文字 */
    --c-primary: #2f4f6f;        /* 深海蓝（品牌主色） */
    --c-primary-deep: #24405a;
    --c-accent: #a8744f;         /* 暖棕点缀 */
    --c-sand: #e8ddcf;           /* 沙色 */
    --c-sand-deep: #c9b8a3;
    --c-bg-warm: #f7f3ec;        /* 暖底色 */
    --c-bg-mist: #eef2f5;        /* 冷灰底 */
    --c-line: #e5ded2;           /* 分割线 */
    --c-white: #fff;
    --font-display: "Noto Serif SC", "Songti SC", "SimSun", Georgia, "Times New Roman", serif;
    --font-body: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --shadow-soft: 0 18px 50px -18px rgba(38, 49, 59, .25);
    --shadow-card: 0 6px 24px -10px rgba(38, 49, 59, .18);
    --ease: cubic-bezier(.23, 1, .32, 1);
    --header-h: 76px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.75;
    color: var(--c-ink);
    background: var(--c-white);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
ul, ol { list-style: none; }
::selection { background: var(--c-primary); color: #fff; }

/* ---------- 通用 ---------- */
.container { width: min(1240px, 92vw); margin: 0 auto; }
.container.narrow { width: min(860px, 92vw); }

.section { padding: clamp(72px, 9vw, 128px) 0; }
.section-alt { background: var(--c-bg-warm); }

.section-head { text-align: center; max-width: 640px; margin: 0 auto clamp(40px, 5vw, 64px); }

.section-eyebrow {
    font-family: var(--font-body);
    font-size: 12px;
    letter-spacing: .42em;
    text-indent: .42em;
    text-transform: uppercase;
    color: var(--c-accent);
    margin-bottom: 14px;
}

.section-head h2, .about-text h2, .about-block h2, .contact-intro h2,
.actions-text h2, .timeline-head h2 {
    font-family: var(--font-display);
    font-size: clamp(26px, 3.4vw, 40px);
    font-weight: 600;
    letter-spacing: .06em;
    line-height: 1.35;
}

.section-desc { color: var(--c-ink-soft); margin-top: 14px; font-size: 15.5px; }

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 38px;
    font-size: 14px;
    letter-spacing: .24em;
    text-indent: .24em;
    border-radius: 999px;
    transition: all .45s var(--ease);
    position: relative;
    overflow: hidden;
}

.btn-light { background: #fff; color: var(--c-primary); box-shadow: 0 10px 30px -12px rgba(0,0,0,.4); }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 16px 38px -12px rgba(0,0,0,.5); }

.btn-dark { background: var(--c-primary); color: #fff; }
.btn-dark:hover { background: var(--c-primary-deep); transform: translateY(-2px); box-shadow: 0 14px 30px -12px rgba(47,79,111,.55); }

.btn-outline { border: 1px solid currentColor; color: var(--c-primary); background: transparent; }
.btn-outline:hover { background: var(--c-primary); border-color: var(--c-primary); color: #fff; transform: translateY(-2px); }
.about-teaser .btn-outline, .contact-intro + * .btn-outline { color: inherit; }
.section-alt .btn-outline { color: var(--c-primary); }

.text-link {
    display: inline-block;
    font-size: 13.5px;
    letter-spacing: .12em;
    color: var(--c-primary);
    position: relative;
    padding-bottom: 3px;
    transition: color .3s;
}
.text-link::after {
    content: "";
    position: absolute;
    left: 0; bottom: 0;
    width: 100%; height: 1px;
    background: currentColor;
    transform: scaleX(.35);
    transform-origin: left;
    transition: transform .45s var(--ease);
}
.text-link:hover::after { transform: scaleX(1); }

.empty-tip {
    text-align: center;
    color: var(--c-muted);
    padding: 60px 0;
    font-size: 14px;
    letter-spacing: .1em;
}

/* 分页 */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 56px; flex-wrap: wrap; }
.pagination ul { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.pagination li { display: inline-block; }
.pagination li a, .pagination li span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 6px;
    border: 1px solid var(--c-line);
    border-radius: 999px;
    font-size: 13.5px;
    color: var(--c-ink-soft);
    background: #fff;
    transition: all .3s;
}
.pagination li a:hover { border-color: var(--c-primary); color: var(--c-primary); }
.pagination li.active span {
    background: var(--c-primary);
    border-color: var(--c-primary);
    color: #fff;
}
.pagination li.disabled span { color: #c8c2b6; border-color: transparent; }

/* ---------- 头部 ---------- */
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    height: var(--header-h);
    transition: background .4s, box-shadow .4s, height .4s;
}
.site-header.scrolled {
    background: rgba(255, 255, 255, .94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 1px 0 var(--c-line), 0 10px 30px -20px rgba(38,49,59,.25);
    height: 64px;
}

.header-inner {
    width: min(1320px, 94vw);
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo { display: inline-flex; align-items: center; gap: 12px; }
.logo-mark {
    width: 42px; height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--c-primary);
    color: #fff;
    font-family: var(--font-display);
    font-size: 21px;
    transition: transform .5s var(--ease);
}
.logo:hover .logo-mark { transform: rotate(-8deg) scale(1.05); }
.logo-text {
    font-family: var(--font-display);
    font-size: 21px;
    letter-spacing: .2em;
    color: #fff;
    display: inline-flex;
    flex-direction: column;
    line-height: 1.15;
    transition: color .4s;
}
.logo-text i {
    font-style: normal;
    font-family: var(--font-body);
    font-size: 9.5px;
    letter-spacing: .5em;
    color: rgba(255,255,255,.62);
    transition: color .4s;
}
.site-header.scrolled .logo-text { color: var(--c-ink); }
.site-header.scrolled .logo-text i { color: var(--c-muted); }

.main-nav { display: flex; gap: clamp(20px, 3vw, 44px); }
.main-nav a {
    position: relative;
    font-size: 15px;
    letter-spacing: .14em;
    color: rgba(255,255,255,.88);
    padding: 6px 0;
    transition: color .4s;
}
.site-header.scrolled .main-nav a { color: var(--c-ink); }
.main-nav a::after {
    content: "";
    position: absolute;
    left: 50%; bottom: -2px;
    width: 0; height: 2px;
    background: var(--c-accent);
    transition: all .4s var(--ease);
    transform: translateX(-50%);
}
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.main-nav a:hover, .main-nav a.active { color: #fff; }
.site-header.scrolled .main-nav a:hover,
.site-header.scrolled .main-nav a.active { color: var(--c-primary); }

/* 内页（无全屏 hero 时头部直接带底色） */
body.inner-page .site-header {
    background: rgba(255,255,255,.94);
    backdrop-filter: blur(14px);
    box-shadow: 0 1px 0 var(--c-line);
}
body.inner-page .logo-text { color: var(--c-ink); }
body.inner-page .logo-text i { color: var(--c-muted); }
body.inner-page .main-nav a { color: var(--c-ink); }
body.inner-page .main-nav a:hover,
body.inner-page .main-nav a.active { color: var(--c-primary); }

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 44px; height: 44px;
    padding: 10px;
}
.nav-toggle span {
    display: block;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all .4s var(--ease);
    transform-origin: center;
}
.site-header.scrolled .nav-toggle span,
body.inner-page .nav-toggle span { background: var(--c-ink); }
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(.2); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    height: 100vh;      /* 旧浏览器 fallback */
    height: 100svh;     /* 移动端动态视口，避免地址栏遮挡 */
    min-height: 620px;
    overflow: hidden;
    background: var(--c-primary);
}

.hero-slides { position: absolute; inset: 0; }

.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1.06);
    transition: opacity 1.2s var(--ease), transform 6s linear;
}
.hero-slide.active { opacity: 1; transform: scale(1); }

/* 渐变压暗层，保证文字可读 */
.hero-slide::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        100deg,
        rgba(20, 33, 46, .66) 0%,
        rgba(20, 33, 46, .38) 46%,
        rgba(20, 33, 46, .05) 100%
    );
}

.hero-content {
    position: absolute;
    z-index: 2;
    left: max(4vw, calc((100vw - 1240px) / 2));
    top: 50%;
    transform: translateY(-50%);
    max-width: 640px;
    color: #fff;
    padding-right: 20px;
}

.hero-eyebrow {
    font-size: 12.5px;
    letter-spacing: .5em;
    text-transform: uppercase;
    color: rgba(255,255,255,.78);
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    gap: 16px;
}
.hero-eyebrow::before {
    content: "";
    width: 46px; height: 1px;
    background: rgba(255,255,255,.55);
}

.hero-content h1 {
    font-family: var(--font-display);
    font-size: clamp(32px, 5vw, 60px);
    font-weight: 600;
    line-height: 1.28;
    letter-spacing: .05em;
    text-shadow: 0 4px 30px rgba(0,0,0,.25);
}

.hero-sub {
    margin-top: 20px;
    font-size: clamp(14.5px, 1.6vw, 17.5px);
    letter-spacing: .12em;
    color: rgba(255,255,255,.86);
}
.hero-content .btn { margin-top: 38px; }

/* 轮播箭头 */
.hero-arrow {
    position: absolute;
    z-index: 5;
    top: 50%;
    transform: translateY(-50%);
    width: 54px; height: 54px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,.4);
    color: #fff;
    font-size: 26px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .4s var(--ease);
    opacity: .75;
}
.hero-arrow:hover { background: rgba(255,255,255,.16); opacity: 1; transform: translateY(-50%) scale(1.06); }
.hero-arrow.prev { left: 3vw; }
.hero-arrow.next { right: 3vw; }

/* 圆点 */
.hero-dots {
    position: absolute;
    z-index: 5;
    bottom: 86px;
    left: max(4vw, calc((100vw - 1240px) / 2));
    display: flex;
    gap: 12px;
}
.hero-dots button {
    width: 34px; height: 3px;
    background: rgba(255,255,255,.4);
    border-radius: 3px;
    transition: background .4s, width .4s var(--ease);
    padding: 0;
}
.hero-dots button.active { background: #fff; width: 52px; }

/* 向下滚动提示 */
.hero-scrollhint {
    position: absolute;
    z-index: 5;
    bottom: 26px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,.75);
    font-size: 11.5px;
    letter-spacing: .34em;
    text-indent: .34em;
    writing-mode: vertical-rl;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}
.hero-scrollhint span {
    width: 1px; height: 44px;
    background: linear-gradient(rgba(255,255,255,.8), transparent);
    position: relative;
    overflow: hidden;
}
.hero-scrollhint span::after {
    content: "";
    position: absolute;
    left: 0; top: -50%;
    width: 100%; height: 50%;
    background: #fff;
    animation: hintDrop 2s var(--ease) infinite;
}
@keyframes hintDrop {
    0% { top: -50%; }
    70%, 100% { top: 110%; }
}

/* ---------- 畅销星品 ---------- */
.star-section { background: var(--c-white); overflow: hidden; }

.star-scroller {
    display: flex;
    gap: 28px;
    overflow-x: auto;
    padding: 10px max(4vw, calc((100vw - 1240px) / 2)) 34px;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: var(--c-sand-deep) transparent;
    cursor: grab;
}
.star-scroller.dragging { cursor: grabbing; scroll-snap-type: none; }
.star-scroller::-webkit-scrollbar { height: 5px; }
.star-scroller::-webkit-scrollbar-thumb { background: var(--c-sand-deep); border-radius: 5px; }
.star-scroller::-webkit-scrollbar-track { background: var(--c-bg-warm); border-radius: 5px; }

.star-card {
    flex: 0 0 min(340px, 78vw);
    scroll-snap-align: start;
    background: var(--c-bg-warm);
    border-radius: 6px;
    overflow: hidden;
    transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.star-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-card); }

.star-card-img { position: relative; aspect-ratio: 3 / 2; overflow: hidden; }
.star-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.star-card:hover .star-card-img img { transform: scale(1.06); }

.star-card-tag {
    position: absolute;
    left: 16px; top: 16px;
    background: rgba(255,255,255,.9);
    backdrop-filter: blur(4px);
    color: var(--c-primary);
    font-size: 12px;
    letter-spacing: .14em;
    padding: 5px 14px;
    border-radius: 999px;
}

.star-card-body { padding: 26px 26px 30px; }
.star-card-body h3 {
    font-family: var(--font-display);
    font-size: 20px;
    letter-spacing: .06em;
    margin-bottom: 6px;
}
.star-card-body p { color: var(--c-ink-soft); font-size: 14px; margin-bottom: 18px; }

.star-more { text-align: center; margin-top: 28px; }

/* ---------- 产品系列 ---------- */
.collections-section { background: var(--c-bg-warm); }

.collections-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
}

.collection-quick-nav {
    position: sticky;
    top: calc(var(--header-h) + 30px);
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--c-line);
}
.quick-item {
    display: flex;
    align-items: baseline;
    gap: 18px;
    text-align: left;
    padding: 20px 4px 20px 26px;
    position: relative;
    color: var(--c-ink-soft);
    transition: color .35s;
}
.quick-item::before {
    content: "";
    position: absolute;
    left: -1px; top: 50%;
    width: 2px; height: 0;
    background: var(--c-accent);
    transform: translateY(-50%);
    transition: height .45s var(--ease);
}
.quick-item.active { color: var(--c-primary); }
.quick-item.active::before { height: 60%; }
.quick-item:hover { color: var(--c-primary); }

.quick-index {
    font-family: var(--font-display);
    font-size: 15px;
    color: var(--c-sand-deep);
    transition: color .35s;
}
.quick-item.active .quick-index { color: var(--c-accent); }
.quick-name { font-size: 17px; letter-spacing: .1em; }

.collection-panels { position: relative; min-height: 520px; }

.collection-panel {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: clamp(28px, 4vw, 56px);
    align-items: center;
    animation: panelIn .7s var(--ease);
}
.collection-panel.active { display: grid; }
@keyframes panelIn {
    from { opacity: 0; transform: translateY(22px); }
    to { opacity: 1; transform: none; }
}

.panel-img { border-radius: 6px; overflow: hidden; aspect-ratio: 9 / 7; box-shadow: var(--shadow-soft); }
.panel-img img { width: 100%; height: 100%; object-fit: cover; }

.panel-text h3 {
    font-family: var(--font-display);
    font-size: clamp(24px, 2.6vw, 34px);
    letter-spacing: .08em;
}
.panel-slogan { color: var(--c-accent); letter-spacing: .2em; font-size: 14px; margin: 10px 0 16px; }
.panel-desc { color: var(--c-ink-soft); font-size: 15px; }

.panel-products { margin: 26px 0 30px; display: flex; flex-direction: column; gap: 14px; }
.mini-product {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255,255,255,.65);
    border: 1px solid var(--c-line);
    border-radius: 6px;
    padding: 10px 16px 10px 10px;
    transition: transform .4s var(--ease), box-shadow .4s;
}
.mini-product:hover { transform: translateX(6px); box-shadow: var(--shadow-card); }
.mini-product img { width: 56px; height: 56px; border-radius: 6px; object-fit: cover; flex-shrink: 0; }
.mini-product strong { display: block; font-size: 15px; letter-spacing: .05em; }
.mini-product span { display: block; font-size: 12.5px; color: var(--c-muted); }

/* ---------- 品牌理念 ---------- */
.about-teaser { background: var(--c-white); }

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr .9fr;
    gap: clamp(40px, 6vw, 90px);
    align-items: center;
}
.about-text h2 { margin-bottom: 22px; }
.about-text p { color: var(--c-ink-soft); margin-bottom: 14px; max-width: 520px; }
.about-text .btn { margin-top: 18px; }

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--c-line);
    border: 1px solid var(--c-line);
    border-radius: 8px;
    overflow: hidden;
}
.stat {
    background: var(--c-bg-warm);
    padding: 34px 20px;
    text-align: center;
    transition: background .4s;
}
.stat:hover { background: #f1e9dc; }
.stat strong {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(28px, 3vw, 40px);
    color: var(--c-primary);
    letter-spacing: .04em;
}
.stat span { font-size: 13px; color: var(--c-muted); letter-spacing: .12em; }

/* ---------- 新闻 ---------- */
.news-section { background: var(--c-bg-mist); }

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.news-card {
    background: #fff;
    border-radius: 6px;
    padding: 34px 30px 30px;
    display: flex;
    flex-direction: column;
    border: 1px solid transparent;
    transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .5s;
    position: relative;
    overflow: hidden;
}
.news-card::before {
    content: "";
    position: absolute;
    left: 0; top: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .5s var(--ease);
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); border-color: var(--c-line); }
.news-card:hover::before { transform: scaleX(1); }

.news-date {
    font-family: var(--font-display);
    font-size: 13px;
    letter-spacing: .18em;
    color: var(--c-accent);
    margin-bottom: 14px;
}
.news-card h3 {
    font-family: var(--font-display);
    font-size: 19px;
    line-height: 1.5;
    letter-spacing: .04em;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-card > p {
    color: var(--c-ink-soft);
    font-size: 14px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 20px;
}

/* 新闻详情 */
.news-detail { padding-top: calc(var(--header-h) + 70px); background: #fff; }
.news-detail .back-link { margin-bottom: 34px; }
.news-detail h1 {
    font-family: var(--font-display);
    font-size: clamp(24px, 3vw, 36px);
    line-height: 1.45;
    letter-spacing: .04em;
}
.news-meta { color: var(--c-muted); font-size: 13.5px; letter-spacing: .16em; margin: 16px 0 34px; }
.news-content {
    font-size: 16.5px;
    line-height: 2.1;
    color: #3a4650;
    border-top: 1px solid var(--c-line);
    padding-top: 36px;
    word-break: break-word;
}
.news-adjacent {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    border-top: 1px solid var(--c-line);
    margin-top: 50px;
    padding-top: 26px;
    flex-wrap: wrap;
}
.adj-item { font-size: 14px; color: var(--c-ink-soft); transition: color .3s; }
.adj-item:hover { color: var(--c-primary); }
.adj-item.right { margin-left: auto; text-align: right; }
.adj-item.muted { color: #b9b2a6; }

/* ---------- 页面通用 Hero ---------- */
.page-hero {
    padding: calc(var(--header-h) + clamp(70px, 10vw, 120px)) 0 clamp(50px, 7vw, 84px);
    background: linear-gradient(180deg, var(--c-bg-warm), #fbf8f2);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-hero::after {
    content: "";
    position: absolute;
    left: 50%; bottom: -70px;
    transform: translateX(-50%);
    width: 520px; height: 340px;
    border-radius: 50%;
    border: 1px solid rgba(47, 79, 111, .1);
    pointer-events: none;
}
.page-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(30px, 4.6vw, 52px);
    letter-spacing: .1em;
    margin-bottom: 6px;
}
.page-hero .section-desc { max-width: 560px; margin: 14px auto 0; }

/* ---------- 产品目录 ---------- */
.catalog-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: clamp(36px, 5vw, 56px);
}
.cat-item {
    padding: 10px 26px;
    border: 1px solid var(--c-line);
    border-radius: 999px;
    font-size: 14px;
    letter-spacing: .1em;
    color: var(--c-ink-soft);
    background: #fff;
    transition: all .35s var(--ease);
}
.cat-item:hover { border-color: var(--c-primary); color: var(--c-primary); transform: translateY(-2px); }
.cat-item.active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
}

.product-card {
    background: #fff;
    border: 1px solid var(--c-line);
    border-radius: 8px;
    overflow: hidden;
    transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); }

.product-img { position: relative; aspect-ratio: 3 / 2; overflow: hidden; background: var(--c-bg-warm); }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.product-card:hover .product-img img { transform: scale(1.07); }

.star-badge {
    position: absolute;
    right: 14px; top: 14px;
    background: var(--c-accent);
    color: #fff;
    font-size: 11.5px;
    letter-spacing: .2em;
    text-indent: .2em;
    padding: 5px 12px;
    border-radius: 999px;
}

.product-body { padding: 22px 22px 26px; }
.product-body h3 { font-family: var(--font-display); font-size: 18px; letter-spacing: .05em; }
.product-sub { color: var(--c-accent); font-size: 12.5px; letter-spacing: .12em; margin: 6px 0 10px; }
.product-desc {
    color: var(--c-ink-soft);
    font-size: 13.5px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ---------- 品牌故事页 ---------- */
.timeline-section { background: #fff; }

.timeline {
    position: relative;
    max-width: 760px;
    margin: 0 auto;
    padding-left: 0;
}
.timeline::before {
    content: "";
    position: absolute;
    left: 90px; top: 8px; bottom: 8px;
    width: 1px;
    background: linear-gradient(var(--c-line) 60%, transparent);
}

.tl-item {
    position: relative;
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: clamp(30px, 5vw, 64px);
    padding: 26px 0;
}
.tl-item::before {
    content: "";
    position: absolute;
    left: 86px; top: 40px;
    width: 9px; height: 9px;
    border-radius: 50%;
    background: var(--c-bg-warm);
    border: 2px solid var(--c-accent);
    transform: translateX(-50%);
    transition: background .4s;
}
.tl-item:hover::before { background: var(--c-accent); }

.tl-year {
    font-family: var(--font-display);
    font-size: clamp(24px, 3vw, 34px);
    color: var(--c-primary);
    text-align: right;
    letter-spacing: .04em;
    line-height: 1.2;
}
.tl-body h3 { font-family: var(--font-display); font-size: 19px; letter-spacing: .08em; margin-bottom: 6px; }
.tl-body p { color: var(--c-ink-soft); font-size: 14.5px; }

/* 品牌伙伴 */
.partners-section { background: var(--c-bg-warm); }

.partner-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.partner-card {
    background: #fff;
    border-radius: 8px;
    padding: 44px 30px 36px;
    text-align: center;
    transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.partner-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); }

.partner-avatar {
    width: 84px; height: 84px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 32px;
    color: #fff;
    background: linear-gradient(135deg, var(--c-primary), #557a9e);
    transition: transform .5s var(--ease);
}
.partner-card:hover .partner-avatar { transform: scale(1.08) rotate(-4deg); }
.partner-card h3 { font-family: var(--font-display); font-size: 20px; letter-spacing: .1em; }
.partner-card > p { color: var(--c-accent); font-size: 13px; letter-spacing: .08em; margin: 6px 0 12px; }
.partner-card > span { color: var(--c-ink-soft); font-size: 13.5px; }

/* 可持续行动 */
.actions-section { background: #fff; }

.actions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 90px);
    align-items: center;
}
.actions-text h2 { margin-bottom: 26px; }

.actions-list li {
    position: relative;
    padding: 16px 0 16px 34px;
    border-bottom: 1px dashed var(--c-line);
    color: var(--c-ink-soft);
    font-size: 15px;
}
.actions-list li:last-child { border-bottom: 0; }
.actions-list li::before {
    content: "";
    position: absolute;
    left: 0; top: 26px;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: #8ea87e;
}
.actions-list strong { color: var(--c-ink); letter-spacing: .1em; }

.actions-img { border-radius: 8px; overflow: hidden; box-shadow: var(--shadow-soft); }
.actions-img img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- 关于我们 ---------- */
.about-detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(24px, 3vw, 40px);
}
.about-block {
    background: #fff;
    border: 1px solid var(--c-line);
    border-radius: 8px;
    padding: 38px 32px;
    transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.about-block:hover { transform: translateY(-5px); box-shadow: var(--shadow-card); }
.about-block h2 { font-size: 22px; margin-bottom: 18px; padding-bottom: 14px; position: relative; }
.about-block h2::after {
    content: "";
    position: absolute;
    left: 0; bottom: 0;
    width: 34px; height: 2px;
    background: var(--c-accent);
}
.about-block p { color: var(--c-ink-soft); font-size: 14.5px; margin-bottom: 10px; }

.contact-list li { padding: 8px 0; color: var(--c-ink-soft); font-size: 14.5px; }
.contact-list strong { color: var(--c-ink); letter-spacing: .08em; }

/* 留言表单 */
.contact-section { background: var(--c-bg-warm); }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: clamp(40px, 6vw, 90px);
    align-items: start;
}
.contact-intro h2 { margin-bottom: 18px; }
.contact-intro p { color: var(--c-ink-soft); max-width: 400px; }

.contact-form {
    background: #fff;
    border-radius: 10px;
    padding: clamp(28px, 4vw, 46px);
    box-shadow: var(--shadow-card);
}
.form-row { margin-bottom: 22px; }
.form-row label {
    display: block;
    font-size: 13.5px;
    letter-spacing: .12em;
    color: var(--c-ink-soft);
    margin-bottom: 9px;
}
.form-row label em { color: var(--c-accent); font-style: normal; }

.form-row input, .form-row textarea {
    width: 100%;
    padding: 13px 18px;
    font-family: inherit;
    font-size: 15px;
    color: var(--c-ink);
    background: var(--c-bg-warm);
    border: 1px solid transparent;
    border-radius: 6px;
    outline: none;
    transition: all .35s;
    resize: vertical;
}
.form-row input:focus, .form-row textarea:focus {
    background: #fff;
    border-color: var(--c-primary);
    box-shadow: 0 0 0 3px rgba(47, 79, 111, .12);
}
.form-row input::placeholder, .form-row textarea::placeholder { color: #b3ac9e; }
.contact-form .btn { width: 100%; margin-top: 6px; }
.contact-form .btn:disabled { opacity: .6; cursor: wait; transform: none; }

.form-tip { margin-top: 14px; font-size: 13.5px; letter-spacing: .05em; min-height: 20px; }
.form-tip.ok { color: #4e7d51; }
.form-tip.err { color: #b0574a; }

/* ---------- 页脚 ---------- */
.site-footer {
    background: #22303d;
    color: rgba(255,255,255,.82);
    padding: clamp(56px, 7vw, 90px) 0 0;
    position: relative;
}
.site-footer::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: linear-gradient(90deg, var(--c-primary), #557a9e 40%, var(--c-accent));
}

.footer-inner {
    width: min(1240px, 92vw);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: clamp(30px, 5vw, 60px);
    padding-bottom: 54px;
}

.footer-brand .logo { margin-bottom: 18px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand .logo-text i { color: rgba(255,255,255,.5); }
.footer-brand p {
    font-size: 13.5px;
    line-height: 2;
    color: rgba(255,255,255,.55);
}

.footer-col h4 {
    font-family: var(--font-display);
    font-size: 16px;
    letter-spacing: .2em;
    color: #fff;
    margin-bottom: 20px;
}
.footer-col a, .footer-col span {
    display: block;
    font-size: 13.5px;
    color: rgba(255,255,255,.62);
    padding: 5px 0;
    transition: color .3s, transform .3s;
}
.footer-col a:hover { color: #fff; transform: translateX(4px); }

.social-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
.soc {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px; height: 42px;
    border: 1px solid rgba(255,255,255,.22);
    border-radius: 50%;
    font-size: 12px;
    transition: all .35s var(--ease);
}
.soc:hover { background: var(--c-accent); border-color: var(--c-accent); transform: translateY(-3px); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.1);
    padding: 22px 0;
    text-align: center;
    font-size: 12.5px;
    letter-spacing: .1em;
    color: rgba(255,255,255,.4);
}

/* ---------- 滚动显现动画 ---------- */
.reveal {
    opacity: 0;
    transform: translateY(34px);
    transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.revealed { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
    .product-grid { grid-template-columns: repeat(3, 1fr); }
    .about-detail-grid { grid-template-columns: 1fr 1fr; }
    .about-grid, .actions-grid, .contact-grid { grid-template-columns: 1fr; gap: 44px; }
}

@media (max-width: 900px) {
    :root { --header-h: 64px; }

    .nav-toggle { display: flex; }

    .main-nav {
        position: fixed;
        inset: var(--header-h) 0 auto 0;
        flex-direction: column;
        gap: 0;
        background: rgba(255,255,255,.98);
        backdrop-filter: blur(16px);
        box-shadow: 0 24px 40px -24px rgba(38,49,59,.35);
        padding: 10px 6vw 26px;
        transform: translateY(-12px);
        opacity: 0;
        pointer-events: none;
        transition: all .4s var(--ease);
    }
    .main-nav.open { transform: none; opacity: 1; pointer-events: auto; }
    .main-nav a {
        color: var(--c-ink) !important;
        font-size: 16px;
        padding: 15px 4px;
        border-bottom: 1px solid var(--c-bg-warm);
    }
    .main-nav a::after { display: none; }

    .hero { min-height: 540px; }
    .hero-content { left: 6vw; right: 6vw; padding-right: 0; }
    .hero-arrow { display: none; }

    .collections-layout { grid-template-columns: 1fr; }
    .collection-quick-nav {
        position: static;
        flex-direction: row;
        overflow-x: auto;
        border-left: 0;
        border-bottom: 1px solid var(--c-line);
        gap: 6px;
        padding-bottom: 2px;
    }
    .quick-item { padding: 12px 14px; flex-shrink: 0; }
    .quick-item::before {
        left: 14px; right: 14px; top: auto; bottom: -3px;
        width: auto; height: 2px;
        transform: none;
    }
    .quick-item.active::before { height: 2px; }
    .collection-panel.active { grid-template-columns: 1fr; }
    .collection-panels { min-height: 0; }

    .news-grid { grid-template-columns: 1fr 1fr; }
    .partner-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
    .timeline::before { left: 6px; }
    .tl-item { grid-template-columns: 1fr; gap: 8px; padding-left: 34px; }
    .tl-item::before { left: 10px; }
    .tl-year { text-align: left; }
}

@media (max-width: 620px) {
    .product-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .news-grid { grid-template-columns: 1fr; }
    .about-detail-grid { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: repeat(2, 1fr); }

    /* iOS Safari：输入框字号 < 16px 时聚焦会自动缩放页面 */
    .form-row input,
    .form-row textarea,
    .form-row select { font-size: 16px; }

    .hero { min-height: 480px; }
    .hero-dots { bottom: 68px; }
    .hero-scrollhint { display: none; }
    .hero-content .btn { margin-top: 28px; }

    .footer-inner { grid-template-columns: 1fr 1fr; gap: 34px; }
    .footer-brand { grid-column: 1 / -1; }

    .news-adjacent { flex-direction: column; }
    .adj-item.right { margin-left: 0; text-align: left; }

    .section { padding: 64px 0; }
}