/* ============================================================
   雅日电商官网 · 设计系统
   品牌基因:logo 凤凰(凤羽红→晨橙渐变) / 民族品牌数字商城
   ============================================================ */

:root {
    --brand: #e8402d;          /* 凤羽红 */
    --brand-deep: #c9301f;     /* 深红(hover) */
    --brand-2: #ff8a1e;        /* 晨橙 */
    --grad: linear-gradient(135deg, #e8402d 15%, #ff8a1e 100%);
    --ink: #26201d;            /* 墨 */
    --ink-2: #5c534e;          /* 次级文字 */
    --muted: #93867f;          /* 弱文字 */
    --paper: #fffdfb;          /* 暖白底 */
    --tint: #fdf2ea;           /* 浅杏段落底 */
    --card: #ffffff;
    --line: #f0e2d8;
    --radius: 14px;
    --shadow: 0 10px 40px -12px rgba(160, 60, 20, .18);
    --font-display: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
    --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --maxw: 1180px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--ink);
    background: var(--paper);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部导航 ---------- */
.nav {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255, 253, 251, .88);
    backdrop-filter: saturate(1.4) blur(14px);
    -webkit-backdrop-filter: saturate(1.4) blur(14px);
    border-bottom: 1px solid var(--line);
}
.nav-inner {
    max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
    height: 72px; display: flex; align-items: center; gap: 32px;
}
.nav-logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-logo img { width: 42px; height: 42px; border-radius: 10px; }
.nav-logo .t { display: flex; flex-direction: column; line-height: 1.25; }
.nav-logo .t b { font-family: var(--font-display); font-size: 19px; letter-spacing: 2px; }
.nav-logo .t span { font-size: 11px; color: var(--muted); letter-spacing: 3px; }
.nav-links { display: flex; gap: 6px; margin-left: auto; }
.nav-links a {
    padding: 8px 16px; border-radius: 999px; font-size: 15px;
    color: var(--ink-2); transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--brand); background: var(--tint); }
.nav-links a.on { color: var(--brand); font-weight: 600; background: var(--tint); }
.nav-cta {
    flex-shrink: 0; padding: 9px 22px; border-radius: 999px; font-size: 15px;
    color: #fff; background: var(--grad); box-shadow: 0 6px 18px -6px rgba(232, 64, 45, .5);
    transition: transform .2s, box-shadow .2s; cursor: pointer; border: 0;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 10px 22px -6px rgba(232, 64, 45, .55); }
.nav-burger {
    display: none; margin-left: auto; width: 42px; height: 42px; border: 1px solid var(--line);
    border-radius: 10px; background: #fff; cursor: pointer; position: relative;
}
.nav-burger i, .nav-burger i::before, .nav-burger i::after {
    content: ""; position: absolute; left: 11px; width: 20px; height: 2px;
    background: var(--ink); border-radius: 2px; transition: transform .25s, opacity .2s;
}
.nav-burger i { top: 20px; }
.nav-burger i::before { left: 0; top: -6px; }
.nav-burger i::after { left: 0; top: 6px; }
.nav.open .nav-burger i { background: transparent; }
.nav.open .nav-burger i::before { transform: translateY(6px) rotate(45deg); }
.nav.open .nav-burger i::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- 眉题 / 章节头 ---------- */
.eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    font-size: 13px; letter-spacing: 4px; color: var(--brand); font-weight: 600;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--grad); border-radius: 2px; }
.sec-head { margin-bottom: 42px; }
.sec-head h2 {
    font-family: var(--font-display); font-size: clamp(26px, 3.2vw, 38px);
    letter-spacing: 2px; margin-top: 10px; line-height: 1.35;
}
.sec-head p { color: var(--muted); margin-top: 8px; max-width: 640px; }
.sec { padding: 92px 0; }
.sec.tint { background: linear-gradient(180deg, var(--tint), #fff8f2 70%, var(--paper)); }

/* ---------- 首页 Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 96px 0 110px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.hero h1 {
    font-family: var(--font-display); font-size: clamp(34px, 4.6vw, 56px);
    line-height: 1.32; letter-spacing: 2px;
}
.hero h1 em {
    font-style: normal; background: var(--grad);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .sub { margin-top: 22px; font-size: 17px; color: var(--ink-2); max-width: 560px; }
.hero-actions { margin-top: 38px; display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
    display: inline-flex; align-items: center; gap: 8px; padding: 13px 30px;
    border-radius: 999px; font-size: 16px; cursor: pointer; border: 0;
    transition: transform .2s, box-shadow .2s, background .2s;
}
.btn-primary { color: #fff; background: var(--grad); box-shadow: 0 8px 24px -8px rgba(232, 64, 45, .55); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -8px rgba(232, 64, 45, .6); }
.btn-ghost { color: var(--brand); background: #fff; border: 1.5px solid #f3c9b8; }
.btn-ghost:hover { background: var(--tint); }

/* 签名元素:凤凰环弧 */
.phoenix { position: relative; width: min(380px, 80%); margin: 0 auto; aspect-ratio: 1; }
.phoenix img.mark {
    width: 58%; position: absolute; inset: 0; margin: auto;
    border-radius: 26%; box-shadow: 0 24px 70px -18px rgba(232, 64, 45, .45);
}
.phoenix svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.arc { fill: none; stroke-linecap: round; }
.arc-1 { stroke: url(#gArc); stroke-width: 3.5; }
.arc-2 { stroke: #f6d7c3; stroke-width: 2; }
.arc-dot { fill: var(--brand-2); }
@keyframes spin { to { transform: rotate(360deg); } }
.phoenix .ring { position: absolute; inset: 0; animation: spin 36s linear infinite; transform-origin: center; }
.phoenix .ring.slow { animation-duration: 60s; animation-direction: reverse; }
.hero-bg {
    position: absolute; right: -220px; top: -260px; width: 720px; height: 720px;
    background: radial-gradient(closest-side, rgba(255, 138, 30, .16), transparent 72%);
    pointer-events: none;
}

/* ---------- 四大方向 pillar ---------- */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pillar {
    background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 30px 26px; transition: transform .25s, box-shadow .25s;
}
.pillar:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.pillar .zh {
    font-family: var(--font-display); font-size: 21px; letter-spacing: 1px;
    display: flex; align-items: center; gap: 10px;
}
.pillar .zh::before {
    content: ""; width: 10px; height: 10px; border-radius: 3px;
    background: var(--grad); flex-shrink: 0;
}
.pillar p { margin-top: 12px; font-size: 14.5px; color: var(--ink-2); }

/* ---------- 图文双栏 ---------- */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.duo .pic { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.duo .pic img { width: 100%; height: 100%; object-fit: cover; }
.duo h3 { font-family: var(--font-display); font-size: 26px; letter-spacing: 1px; margin: 10px 0 14px; }
.duo .body p { color: var(--ink-2); margin-bottom: 12px; }
.checks li { display: flex; gap: 12px; margin-bottom: 12px; color: var(--ink-2); }
.checks li::before {
    content: "✓"; flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%;
    background: var(--tint); color: var(--brand); font-size: 13px; font-weight: 700;
    display: flex; align-items: center; justify-content: center; margin-top: 4px;
}

/* ---------- 商品卡 ---------- */
.goods-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.goods {
    background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
    overflow: hidden; transition: transform .25s, box-shadow .25s; cursor: zoom-in;
}
.goods:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.goods .ph { aspect-ratio: 1; overflow: hidden; background: #fff; }
.goods .ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.goods:hover .ph img { transform: scale(1.05); }
.goods .info { padding: 14px 16px 16px; }
.goods .info .name {
    font-size: 14.5px; color: var(--ink); line-height: 1.5; height: 3em;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.goods .info .tag {
    display: inline-block; margin-top: 10px; font-size: 12px; padding: 3px 10px;
    border-radius: 999px; color: var(--brand); background: var(--tint);
}
.goods-more { text-align: center; margin-top: 44px; }

/* 商品筛选页 */
.filter-tabs { display: flex; gap: 12px; margin-bottom: 36px; flex-wrap: wrap; }
.filter-tabs button {
    padding: 9px 24px; border-radius: 999px; border: 1.5px solid var(--line);
    background: #fff; color: var(--ink-2); font-size: 15px; cursor: pointer; transition: all .2s;
}
.filter-tabs button.on { color: #fff; background: var(--grad); border-color: transparent; }

/* ---------- 服务卡 ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.svc {
    background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 34px 30px; position: relative; overflow: hidden;
    transition: transform .25s, box-shadow .25s;
}
.svc:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.svc::after {
    content: ""; position: absolute; right: -34px; top: -34px; width: 100px; height: 100px;
    border-radius: 50%; background: radial-gradient(closest-side, rgba(255, 138, 30, .13), transparent);
}
.svc .ico {
    width: 52px; height: 52px; border-radius: 14px; background: var(--tint);
    display: flex; align-items: center; justify-content: center; font-size: 25px; margin-bottom: 18px;
}
.svc h3 { font-size: 18.5px; margin-bottom: 10px; letter-spacing: .5px; }
.svc p { font-size: 14.5px; color: var(--ink-2); }

/* ---------- 步骤(经营模式,真实时序) ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step {
    background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 30px 26px; position: relative;
}
.step::before {
    counter-increment: step; content: "第 " counter(step, cjk-ideographic) " 步";
    font-size: 12.5px; letter-spacing: 2px; color: var(--brand); font-weight: 600;
}
.step h4 { font-family: var(--font-display); font-size: 19px; margin: 10px 0 8px; letter-spacing: 1px; }
.step p { font-size: 14px; color: var(--ink-2); }

/* ---------- 数字/资质条 ---------- */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.fact .n {
    font-family: var(--font-display); font-size: 30px; letter-spacing: 1px;
    background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.fact .l { margin-top: 6px; color: var(--muted); font-size: 14px; }

/* ---------- CTA 横幅 ---------- */
.cta-band { padding: 0 0 92px; }
.cta-card {
    background: var(--grad); border-radius: 22px; padding: 56px 48px; color: #fff;
    display: flex; align-items: center; justify-content: space-between; gap: 32px;
    position: relative; overflow: hidden; box-shadow: 0 24px 60px -20px rgba(232, 64, 45, .55);
}
.cta-card::before {
    content: ""; position: absolute; right: -60px; bottom: -110px; width: 320px; height: 320px;
    border: 2px solid rgba(255, 255, 255, .25); border-radius: 50%;
}
.cta-card::after {
    content: ""; position: absolute; right: 40px; top: -130px; width: 260px; height: 260px;
    border: 2px dashed rgba(255, 255, 255, .2); border-radius: 50%;
}
.cta-card h2 { font-family: var(--font-display); font-size: clamp(22px, 3vw, 32px); letter-spacing: 2px; }
.cta-card p { margin-top: 8px; opacity: .92; }
.cta-card .btn { background: #fff; color: var(--brand); flex-shrink: 0; position: relative; z-index: 1; }
.cta-card .btn:hover { transform: translateY(-2px); }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.contact-card {
    background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 38px 36px;
}
.contact-card h3 { font-family: var(--font-display); font-size: 22px; margin-bottom: 24px; letter-spacing: 1px; }
.c-item { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px dashed var(--line); }
.c-item:last-child { border-bottom: 0; }
.c-item .ico {
    width: 46px; height: 46px; border-radius: 12px; background: var(--tint); flex-shrink: 0;
    display: flex; align-items: center; justify-content: center; font-size: 21px;
}
.c-item .k { font-size: 13px; color: var(--muted); }
.c-item .v { font-size: 16.5px; margin-top: 2px; word-break: break-all; }
.c-item .v a:hover { color: var(--brand); }
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-size: 14px; color: var(--ink-2); margin-bottom: 8px; }
.form-row input, .form-row textarea {
    width: 100%; padding: 12px 16px; border: 1.5px solid var(--line); border-radius: 10px;
    font-size: 15px; font-family: var(--font-body); color: var(--ink); background: #fff;
    transition: border-color .2s; resize: vertical;
}
.form-row input:focus, .form-row textarea:focus { outline: none; border-color: var(--brand-2); }
.form-hint { font-size: 13px; color: var(--muted); margin-top: 14px; }

/* ---------- 页脚 ---------- */
.footer { background: #2b211c; color: #cbbdb4; padding: 64px 0 0; margin-top: 40px; }
.footer a:hover { color: #fff; }
.f-grid { display: grid; grid-template-columns: 1.3fr 1fr 1.2fr; gap: 48px; padding-bottom: 48px; }
.f-brand { display: flex; align-items: flex-start; gap: 14px; }
.f-brand img { width: 46px; height: 46px; border-radius: 11px; }
.f-brand b { color: #fff; font-family: var(--font-display); font-size: 19px; letter-spacing: 2px; }
.f-brand p { font-size: 13.5px; margin-top: 8px; line-height: 1.8; }
.f-col h4 { color: #fff; font-size: 15.5px; margin-bottom: 18px; letter-spacing: 1px; }
.f-col li { margin-bottom: 10px; font-size: 14px; }
.f-bar {
    border-top: 1px solid rgba(255, 255, 255, .09); padding: 20px 0;
    font-size: 13px; color: #9c8d84; display: flex; justify-content: space-between;
    gap: 16px; flex-wrap: wrap;
}

/* ---------- 内页头 ---------- */
.page-hero {
    padding: 80px 0 64px; position: relative; overflow: hidden;
    background: linear-gradient(180deg, var(--tint), var(--paper));
}
.page-hero h1 { font-family: var(--font-display); font-size: clamp(30px, 4vw, 44px); letter-spacing: 2px; margin-top: 12px; }
.page-hero p { color: var(--ink-2); margin-top: 12px; max-width: 680px; }
.page-hero .deco {
    position: absolute; right: -80px; top: -80px; width: 340px; height: 340px;
    border: 2px dashed #f6cdb4; border-radius: 50%; pointer-events: none;
}

/* ---------- 引文块 ---------- */
.quote {
    border-left: 4px solid; border-image: var(--grad) 1;
    background: var(--tint); border-radius: 0 var(--radius) var(--radius) 0;
    padding: 26px 30px; font-family: var(--font-display); font-size: 18px;
    letter-spacing: 1px; line-height: 2; color: var(--ink);
}

/* ---------- 灯箱 ---------- */
.lightbox {
    position: fixed; inset: 0; z-index: 200; background: rgba(30, 18, 12, .82);
    display: none; align-items: center; justify-content: center; padding: 32px; cursor: zoom-out;
}
.lightbox.show { display: flex; }
.lightbox img {
    max-width: min(880px, 92vw); max-height: 84vh; border-radius: 12px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, .5); background: #fff;
}
.lightbox .cap {
    position: absolute; left: 50%; transform: translateX(-50%); bottom: 28px;
    color: #fff; font-size: 15px; text-align: center; max-width: 80vw;
}

/* ---------- 进场动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    .phoenix .ring { animation: none; }
    html { scroll-behavior: auto; }
}

/* ---------- 无障碍焦点 ---------- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--brand-2); outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
    .pillars, .steps, .facts { grid-template-columns: repeat(2, 1fr); }
    .goods-grid { grid-template-columns: repeat(3, 1fr); }
    .svc-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
    .nav-links, .nav-cta { display: none; }
    .nav-burger { display: block; }
    .nav.open .nav-links {
        display: flex; flex-direction: column; position: absolute; left: 0; right: 0; top: 72px;
        background: var(--paper); border-bottom: 1px solid var(--line); padding: 12px 24px 20px; gap: 4px;
    }
    .hero { padding: 64px 0 72px; }
    .hero-grid, .duo, .contact-grid { grid-template-columns: 1fr; }
    .duo.flip .pic { order: -1; }
    .phoenix { margin-top: 12px; }
    .sec { padding: 64px 0; }
    .f-grid { grid-template-columns: 1fr; gap: 32px; }
    .cta-card { flex-direction: column; text-align: center; }
}
@media (max-width: 560px) {
    .goods-grid, .svc-grid, .pillars, .steps, .facts { grid-template-columns: repeat(2, 1fr); }
    .goods .info .name { font-size: 13px; }
    .facts { gap: 14px; }
}
@media (max-width: 420px) {
    .goods-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
}