/* =========================================================
   解家河南菜 · 基础样式（品牌色 / 重置 / 排版 / 通用组件）
   所有页面共用：官网 + OA
   ========================================================= */

:root {
    /* 品牌色 */
    --xj-red: #A32B24;
    --xj-red-dark: #7C1D18;
    --xj-red-soft: #C4483F;
    --xj-gold: #C6A05C;
    --xj-gold-soft: #E3CB9A;
    --xj-ink: #161310;
    --xj-ink-2: #241E17;
    --xj-paper: #F8F3E8;
    --xj-paper-2: #F1E7D3;
    --xj-text: #2A241C;
    --xj-muted: #7C7264;
    --xj-line: rgba(38, 30, 20, 0.12);
    --xj-line-soft: rgba(38, 30, 20, 0.07);

    --xj-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
    --xj-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

    --wrap: 1200px;
    --radius: 2px;
    --shadow-sm: 0 2px 10px rgba(40, 30, 18, 0.06);
    --shadow-md: 0 14px 40px rgba(40, 30, 18, 0.12);
    --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    font-family: var(--xj-sans);
    font-size: 15px;
    line-height: 1.8;
    color: var(--xj-text);
    background: var(--xj-paper);
    -webkit-font-smoothing: antialiased;
}

body.no-scroll {
    overflow: hidden;
}

img {
    max-width: 100%;
    display: block;
    border: 0;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.25s var(--ease), opacity 0.25s var(--ease);
}

h1, h2, h3, h4, h5 {
    margin: 0;
    font-family: var(--xj-serif);
    font-weight: 600;
    line-height: 1.35;
    letter-spacing: 0.02em;
    color: var(--xj-ink);
}

p {
    margin: 0 0 1em;
}

p:last-child {
    margin-bottom: 0;
}

ul, ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: 0;
    background: none;
}

::selection {
    background: rgba(163, 43, 36, 0.16);
}

/* ---------- 布局 ---------- */
.wrap {
    width: 100%;
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 28px;
}

.wrap-narrow {
    max-width: 900px;
}

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 26px;
    font-size: 14px;
    letter-spacing: 0.14em;
    line-height: 1.4;
    border-radius: var(--radius);
    transition: all 0.3s var(--ease);
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: var(--xj-red);
    color: #FFF8EC;
    box-shadow: 0 6px 20px rgba(163, 43, 36, 0.24);
}

.btn-primary:hover {
    background: var(--xj-red-dark);
    box-shadow: 0 10px 28px rgba(163, 43, 36, 0.3);
    transform: translateY(-1px);
}

.btn-ghost {
    border: 1px solid rgba(255, 248, 236, 0.5);
    color: #FFF8EC;
}

.btn-ghost:hover {
    background: rgba(255, 248, 236, 0.12);
    border-color: rgba(255, 248, 236, 0.85);
}

.btn-line {
    border: 1px solid var(--xj-line);
    color: var(--xj-ink);
    background: transparent;
}

.btn-line:hover {
    border-color: var(--xj-red);
    color: var(--xj-red);
}

.btn-sm {
    padding: 8px 18px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
}

/* ---------- 标题组件 ---------- */
.sec-head {
    text-align: center;
    margin-bottom: 56px;
}

.sec-head .kicker {
    display: block;
    font-size: 12px;
    letter-spacing: 0.42em;
    text-transform: uppercase;
    color: var(--xj-gold);
    margin-bottom: 14px;
}

.sec-head h2 {
    font-size: 36px;
    letter-spacing: 0.08em;
}

.sec-head .rule {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 18px 0 16px;
}

.sec-head .rule::before,
.sec-head .rule::after {
    content: "";
    width: 54px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--xj-gold));
}

.sec-head .rule::after {
    background: linear-gradient(90deg, var(--xj-gold), transparent);
}

.sec-head .rule i {
    width: 5px;
    height: 5px;
    background: var(--xj-red);
    transform: rotate(45deg);
}

.sec-head p {
    color: var(--xj-muted);
    font-size: 15px;
    max-width: 620px;
    margin: 0 auto;
}

.sec-head--light h2,
.sec-head--light .kicker {
    color: #F5EDDD;
}

.sec-head--light p {
    color: rgba(245, 237, 221, 0.65);
}

/* ---------- 印章 ---------- */
.seal {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--xj-red);
    color: #FFF6E8;
    font-family: var(--xj-serif);
    border-radius: 3px;
    flex: 0 0 auto;
}

/* ---------- 动效 ---------- */
[data-reveal] {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
    will-change: opacity, transform;
}

[data-reveal].is-in {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    [data-reveal] {
        opacity: 1;
        transform: none;
        transition: none;
    }
    html {
        scroll-behavior: auto;
    }
}

/* ---------- 表单基础 ---------- */
.field {
    margin-bottom: 18px;
}

.field label {
    display: block;
    font-size: 13px;
    letter-spacing: 0.06em;
    color: var(--xj-muted);
    margin-bottom: 7px;
}

.field .req {
    color: var(--xj-red);
}

.input,
.select,
.textarea {
    width: 100%;
    padding: 11px 14px;
    background: #FFFDF8;
    border: 1px solid var(--xj-line);
    border-radius: var(--radius);
    font-size: 14px;
    transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s;
}

.input:focus,
.select:focus,
.textarea:focus {
    outline: none;
    border-color: var(--xj-red);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(163, 43, 36, 0.08);
}

.textarea {
    min-height: 110px;
    resize: vertical;
    line-height: 1.7;
}

.hint {
    font-size: 12px;
    color: var(--xj-muted);
    margin-top: 6px;
}

/* ---------- 提示条 ---------- */
.alert {
    padding: 11px 16px;
    font-size: 13.5px;
    border-left: 3px solid var(--xj-red);
    background: rgba(163, 43, 36, 0.06);
    color: var(--xj-red-dark);
    margin-bottom: 18px;
    border-radius: 2px;
}

.alert-success {
    border-left-color: #2F6B4F;
    background: rgba(47, 107, 79, 0.07);
    color: #24553E;
}

.alert-warn {
    border-left-color: #B4802A;
    background: rgba(180, 128, 42, 0.08);
    color: #8A6120;
}

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar {
    width: 9px;
    height: 9px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(38, 30, 20, 0.2);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(163, 43, 36, 0.5);
}

/* ---------- 筛选标签 ---------- */
.chip {
    display: inline-block;
    padding: 7px 18px;
    font-size: 13px;
    letter-spacing: 0.1em;
    border: 1px solid var(--xj-line);
    color: var(--xj-muted);
    background: transparent;
    border-radius: 40px;
    transition: all 0.28s var(--ease);
}

.chip:hover {
    color: var(--xj-red);
    border-color: rgba(163, 43, 36, 0.4);
}

.chip.is-active {
    background: var(--xj-red);
    border-color: var(--xj-red);
    color: #FFF6E8;
}