/* ============================================================
   青鸟 · 百业公会 | 通用样式
   武侠 · 暗黑金属质感
   ============================================================ */

:root {
    /* 主色 */
    --bg: #1a1a1a;
    --bg-deep: #121212;
    --bg-panel: #212121;
    --bg-soft: #2a2a2a;
    --bg-input: #171717;

    /* 金 / 铜 */
    --gold: #cfa670;
    --gold-light: #e6c894;
    --gold-dark: #8c6b3f;
    --copper: #b3763f;

    /* 文字 */
    --text: #e8e2d8;
    --text-dim: #a8a29b;
    --text-mute: #6f6a64;

    --border: rgba(207, 166, 112, 0.22);
    --border-strong: rgba(207, 166, 112, 0.55);

    --danger: #c0563f;
    --success: #6fa368;

    --radius: 4px;
    --max-width: 1180px;
    --font-serif: "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
    font-size: 15px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    /* 全局金属噪点底纹 */
    background-image:
        radial-gradient(circle at 20% 0%, rgba(207, 166, 112, 0.06), transparent 45%),
        radial-gradient(circle at 85% 20%, rgba(179, 118, 63, 0.05), transparent 40%);
    background-attachment: fixed;
}

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

a:hover {
    color: var(--gold-light);
}

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

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- 通用标题 ---------- */
.section {
    padding: 84px 0;
    position: relative;
}

.section + .section {
    border-top: 1px solid rgba(207, 166, 112, 0.08);
}

.section-head {
    text-align: center;
    margin-bottom: 44px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 32px;
    letter-spacing: 6px;
    color: var(--gold-light);
    font-weight: 600;
    position: relative;
    display: inline-block;
    padding: 0 52px;
}

.section-title::before,
.section-title::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 34px;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gold));
}

.section-title::before {
    left: 0;
}

.section-title::after {
    right: 0;
    background: linear-gradient(to left, transparent, var(--gold));
}

.section-sub {
    margin-top: 10px;
    color: var(--text-mute);
    font-size: 13px;
    letter-spacing: 3px;
}

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 15px;
    letter-spacing: 2px;
    border: 1px solid var(--border-strong);
    background: linear-gradient(180deg, rgba(207, 166, 112, 0.16), rgba(207, 166, 112, 0.04));
    color: var(--gold-light);
    cursor: pointer;
    border-radius: var(--radius);
    transition: all 0.25s ease;
    font-family: inherit;
}

.btn:hover {
    background: linear-gradient(180deg, rgba(207, 166, 112, 0.3), rgba(207, 166, 112, 0.1));
    color: #fff;
    box-shadow: 0 0 18px rgba(207, 166, 112, 0.25);
}

.btn-lg {
    padding: 18px 46px;
    font-size: 18px;
    letter-spacing: 4px;
}

.btn-ghost {
    background: transparent;
    border-color: var(--border);
    color: var(--text-dim);
}

.btn-ghost:hover {
    color: var(--gold-light);
    border-color: var(--border-strong);
    background: rgba(207, 166, 112, 0.08);
}

/* ============================================================
   顶部导航
   ============================================================ */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(18, 18, 18, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border: 1px solid var(--border-strong);
    border-radius: 3px;
    background: linear-gradient(145deg, rgba(207, 166, 112, 0.18), rgba(0, 0, 0, 0.4));
    color: var(--gold);
}

.brand-text {
    font-family: var(--font-serif);
    font-size: 24px;
    letter-spacing: 8px;
    color: var(--gold-light);
}

.brand-text small {
    display: block;
    font-size: 10px;
    letter-spacing: 3px;
    color: var(--text-mute);
    font-family: sans-serif;
    margin-top: -4px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-links a {
    display: block;
    padding: 8px 16px;
    font-size: 14px;
    letter-spacing: 2px;
    color: var(--text-dim);
    border: 1px solid transparent;
    border-radius: 3px;
    transition: all 0.25s ease;
}

.nav-links a:hover {
    color: var(--gold-light);
    border-color: var(--border);
    background: rgba(207, 166, 112, 0.06);
}

.nav-links a.nav-cta {
    color: #1a1a1a;
    background: linear-gradient(180deg, var(--gold-light), var(--gold));
    border-color: var(--gold);
    font-weight: 600;
}

.nav-links a.nav-cta:hover {
    color: #1a1a1a;
    box-shadow: 0 0 16px rgba(207, 166, 112, 0.45);
}

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    color: var(--gold);
    width: 38px;
    height: 34px;
    cursor: pointer;
    border-radius: 3px;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    min-height: 560px;
    display: grid;
    place-items: center;
    text-align: center;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
    /* 山峦 + 金属的渐变模拟背景 */
    background:
        radial-gradient(60% 80% at 50% 20%, rgba(207, 166, 112, 0.16), transparent 60%),
        radial-gradient(40% 50% at 15% 75%, rgba(179, 118, 63, 0.18), transparent 70%),
        radial-gradient(40% 50% at 85% 70%, rgba(140, 107, 63, 0.16), transparent 70%),
        linear-gradient(180deg, #101010 0%, #1c1a18 45%, #0d0d0d 100%);
}

/* 远山剪影 */
.hero::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 42%;
    background:
        linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.85)),
        conic-gradient(from 200deg at 20% 100%, transparent 0 45%, #1e1c1a 45% 55%, transparent 55%),
        conic-gradient(from 160deg at 60% 100%, transparent 0 45%, #232120 45% 55%, transparent 55%);
    opacity: 0.9;
    pointer-events: none;
}

/* 金属斜纹 */
.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        115deg,
        rgba(255, 255, 255, 0.018) 0px,
        rgba(255, 255, 255, 0.018) 1px,
        transparent 1px,
        transparent 7px
    );
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 2;
    padding: 100px 24px 120px;
}

.hero-badge {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 6px;
    color: var(--gold);
    border: 1px solid var(--border-strong);
    padding: 6px 20px;
    border-radius: 2px;
    margin-bottom: 28px;
    background: rgba(0, 0, 0, 0.35);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(64px, 12vw, 128px);
    line-height: 1.1;
    letter-spacing: 20px;
    text-indent: 20px;
    font-weight: 700;
    background: linear-gradient(180deg, #fff4e0 0%, var(--gold-light) 40%, var(--gold-dark) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    filter: drop-shadow(0 4px 18px rgba(207, 166, 112, 0.28));
}

.hero-slogan {
    margin-top: 22px;
    font-family: var(--font-serif);
    font-size: clamp(18px, 2.6vw, 26px);
    letter-spacing: 10px;
    text-indent: 10px;
    color: var(--text);
}

.hero-desc {
    margin-top: 16px;
    color: var(--text-dim);
    font-size: 14px;
    letter-spacing: 2px;
}

.hero-actions {
    margin-top: 40px;
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 分隔纹样 */
.ornament {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-top: 36px;
    color: var(--gold-dark);
}

.ornament i {
    display: block;
    width: 90px;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gold-dark));
}

.ornament i:last-child {
    background: linear-gradient(to left, transparent, var(--gold-dark));
}

/* ============================================================
   公会介绍
   ============================================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: start;
}

.about-text p {
    color: var(--text-dim);
    margin-bottom: 16px;
}

.about-text p strong {
    color: var(--gold-light);
    font-weight: 600;
}

.info-cards {
    display: grid;
    gap: 14px;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 20px;
    background: linear-gradient(135deg, var(--bg-panel), var(--bg-deep));
    border: 1px solid var(--border);
    border-left: 3px solid var(--gold);
    border-radius: var(--radius);
}

.info-card .ic {
    color: var(--gold);
    flex-shrink: 0;
}

.info-card .label {
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--text-mute);
}

.info-card .value {
    font-size: 17px;
    color: var(--gold-light);
    letter-spacing: 1px;
}

/* ============================================================
   活动时间表
   ============================================================ */
.table-wrap {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-deep);
}

.table-scroll {
    overflow-x: auto;
}

table.act-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
}

.act-table thead th {
    background: linear-gradient(180deg, rgba(207, 166, 112, 0.16), rgba(207, 166, 112, 0.04));
    color: var(--gold-light);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 3px;
    padding: 16px 18px;
    text-align: left;
    border-bottom: 1px solid var(--border-strong);
    white-space: nowrap;
}

.act-table tbody td {
    padding: 15px 18px;
    border-bottom: 1px solid rgba(207, 166, 112, 0.08);
    color: var(--text-dim);
    vertical-align: middle;
}

.act-table tbody tr:last-child td {
    border-bottom: none;
}

.act-table tbody tr {
    transition: background 0.2s ease;
}

.act-table tbody tr:hover {
    background: rgba(207, 166, 112, 0.05);
}

.act-table td.act-name {
    color: var(--gold-light);
    letter-spacing: 2px;
    font-weight: 600;
}

.act-table td.act-time {
    color: var(--text);
    font-variant-numeric: tabular-nums;
    letter-spacing: 1px;
}

.tag {
    display: inline-block;
    padding: 2px 10px;
    font-size: 12px;
    border-radius: 2px;
    letter-spacing: 1px;
    border: 1px solid var(--border-strong);
    color: var(--gold);
    background: rgba(207, 166, 112, 0.08);
}

.tag.must {
    color: #e8b0a0;
    border-color: rgba(192, 86, 63, 0.5);
    background: rgba(192, 86, 63, 0.12);
}

.tag.free {
    color: #a9c7a5;
    border-color: rgba(111, 163, 104, 0.45);
    background: rgba(111, 163, 104, 0.1);
}

/* ============================================================
   招募
   ============================================================ */
/* 已移除群二维码卡片：改为单列，内容居中并限宽，避免文字拉太长 */
.recruit-grid {
    display: grid;
    grid-template-columns: minmax(0, 760px);
    justify-content: center;
    gap: 40px;
}

.join-info {
    width: 100%;
}

/* ---------- 入庄投帖入口 ---------- */
.join-post {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 42px;
    padding: 22px 26px;
    text-decoration: none;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: linear-gradient(120deg, rgba(207, 166, 112, 0.10), rgba(22, 21, 20, 0.6));
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.join-post:hover {
    transform: translateY(-4px);
    border-color: rgba(207, 166, 112, 0.5);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.45), 0 0 26px rgba(207, 166, 112, 0.18);
}

.jp-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 1px solid rgba(207, 166, 112, 0.5);
    background: radial-gradient(circle at 35% 30%, rgba(230, 200, 148, 0.2), rgba(179, 118, 63, 0.12));
    color: var(--gold-light);
}

.join-post:hover .jp-icon {
    box-shadow: 0 0 20px rgba(207, 166, 112, 0.32);
}

.jp-main {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    min-width: 0;               /* 允许文字收缩，长文本不把按钮挤出容器 */
}

.jp-title {
    display: block;
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--text);
}

.jp-desc {
    display: block;
    font-size: 12.5px;
    letter-spacing: 1px;
    color: var(--text-mute);
}

.jp-arrow {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    flex-shrink: 0;
    padding: 8px 18px;
    border: 1px solid var(--border-strong);
    border-radius: 20px;
    background: rgba(207, 166, 112, 0.12);
    color: var(--gold-light);
    font-size: 13px;
    letter-spacing: 2px;
}

.jp-arrow svg {
    transition: transform 0.25s ease;
}

.join-post:hover .jp-arrow {
    background: rgba(207, 166, 112, 0.22);
}

.join-post:hover .jp-arrow svg {
    transform: translateX(4px);
}

.req-list {
    list-style: none;
    display: grid;
    gap: 12px;
}

.req-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 18px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-dim);
}

.req-list li .ic {
    color: var(--gold);
    margin-top: 3px;
    flex-shrink: 0;
}

.req-list li b {
    color: var(--gold-light);
    font-weight: 600;
}

/* ============================================================
   百业照片墙（主页预览 + 入口）
   ============================================================ */
.photo-strip {
    display: grid;
    /* 卡片最小宽度：改这个数字就能调整照片大小（越小一排显示越多）
       桌面约 6 列，窄屏自动减到 2 列 */
    grid-template-columns: repeat(auto-fill, minmax(165px, 1fr));
    gap: 10px;
    margin-bottom: 32px;
}

.ps-item {
    position: relative;
    display: block;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 10px;
    text-decoration: none;
    background: rgba(10, 18, 26, 0.6);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.ps-item:hover {
    transform: translateY(-4px);
    border-color: rgba(207, 166, 112, 0.5);
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.45);
}

.ps-item img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
}

/* 右下角投稿人，平时半透明，鼠标移上去才显出来 */
.ps-by {
    position: absolute;
    right: 8px;
    bottom: 8px;
    padding: 3px 9px;
    border-radius: 12px;
    background: rgba(6, 10, 14, 0.72);
    color: var(--gold-light);
    font-size: 11px;
    letter-spacing: 1px;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.ps-item:hover .ps-by {
    opacity: 1;
}

@media (max-width: 560px) {
    .photo-strip {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        margin-bottom: 26px;
    }
}

/* ============================================================
   核心功能区 · 数据工具
   ============================================================ */
.tools {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(70% 120% at 50% 0%, rgba(207, 166, 112, 0.1), transparent 60%),
        linear-gradient(180deg, #151515, #101010);
}

.tool-card {
    position: relative;
    text-align: center;
    padding: 56px 32px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    background: linear-gradient(160deg, rgba(207, 166, 112, 0.07), rgba(0, 0, 0, 0.4));
    overflow: hidden;
}

.tool-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        115deg,
        rgba(255, 255, 255, 0.02) 0px,
        rgba(255, 255, 255, 0.02) 1px,
        transparent 1px,
        transparent 8px
    );
    pointer-events: none;
}

.tool-card .tool-icon {
    color: var(--gold);
    margin-bottom: 20px;
}

.tool-card h3 {
    font-family: var(--font-serif);
    font-size: 26px;
    letter-spacing: 6px;
    color: var(--gold-light);
    margin-bottom: 12px;
}

.tool-card p {
    color: var(--text-dim);
    max-width: 620px;
    margin: 0 auto 30px;
}

.tool-feats {
    display: flex;
    justify-content: center;
    gap: 28px;
    flex-wrap: wrap;
    margin-bottom: 34px;
    color: var(--text-mute);
    font-size: 13px;
    letter-spacing: 1px;
}

.tool-feats span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.tool-feats svg {
    color: var(--gold-dark);
}

/* ============================================================
   页脚
   ============================================================ */
.footer {
    border-top: 1px solid var(--border);
    background: var(--bg-deep);
    padding: 40px 0 28px;
    text-align: center;
    color: var(--text-mute);
    font-size: 13px;
}

.footer .f-links {
    display: flex;
    justify-content: center;
    gap: 22px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.footer .f-links a {
    color: var(--text-dim);
    letter-spacing: 2px;
}

.footer .f-links a:hover {
    color: var(--gold);
}

.footer .copyright {
    color: #55514c;
    letter-spacing: 1px;
}

/* ============================================================
   计算器页
   ============================================================ */
.calc-page {
    padding: 32px 0 72px;
}

.page-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.page-title {
    font-family: var(--font-serif);
    font-size: 26px;
    letter-spacing: 6px;
    color: var(--gold-light);
}

.page-title small {
    display: block;
    font-family: inherit;
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--text-mute);
    margin-top: 4px;
}

.calc-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
}

.panel {
    background: linear-gradient(160deg, var(--bg-panel), var(--bg-deep));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.panel-head {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    background: rgba(207, 166, 112, 0.05);
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gold-light);
    letter-spacing: 3px;
    font-size: 15px;
}

.panel-body {
    padding: 22px 20px;
}

.fieldset {
    border: none;
    margin-bottom: 22px;
}

.fieldset:last-child {
    margin-bottom: 0;
}

.fieldset-title {
    font-size: 12px;
    letter-spacing: 3px;
    color: var(--gold);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.fieldset-title::after {
    content: "";
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, var(--border-strong), transparent);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.field label {
    display: block;
    font-size: 12px;
    color: var(--text-dim);
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.field label em {
    font-style: normal;
    color: var(--text-mute);
}

.input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrap input {
    width: 100%;
    padding: 9px 40px 9px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    font-variant-numeric: tabular-nums;
}

.input-wrap input:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 2px rgba(207, 166, 112, 0.12);
}

.input-wrap input::-webkit-outer-spin-button,
.input-wrap input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.input-wrap .unit {
    position: absolute;
    right: 10px;
    font-size: 12px;
    color: var(--text-mute);
    pointer-events: none;
}

/* 面板数据确认卡 */
.build-confirm {
    margin-top: 10px;
    padding: 8px 12px;
    background: rgba(207, 166, 112, 0.08);
    border: 1px solid rgba(207, 166, 112, 0.18);
    border-radius: 3px;
    font-size: 13px;
    letter-spacing: 1px;
    color: var(--gold-light);
    text-align: center;
}

/* 更新日志 */
.log-list {
    list-style: none;
    display: grid;
    gap: 6px;
    max-height: 220px;
    overflow-y: auto;
}

.log-list li {
    display: flex;
    gap: 10px;
    font-size: 12px;
    color: var(--text-dim);
    line-height: 1.6;
}

.log-ver {
    flex-shrink: 0;
    color: var(--gold);
    font-variant-numeric: tabular-nums;
}

.log-text {
    color: var(--text-mute);
}

/* 面板属种分组 */
.attr-group {
    padding: 14px 16px;
    margin-bottom: 10px;
    background: rgba(0, 0, 0, 0.22);
    border: 1px solid rgba(207, 166, 112, 0.1);
    border-left: 2px solid var(--gold-dark);
    border-radius: 3px;
}

.attr-group-head {
    font-family: var(--font-serif);
    font-size: 16px;
    letter-spacing: 4px;
    color: var(--gold-light);
    margin-bottom: 12px;
}

.panel select:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 2px rgba(207, 166, 112, 0.12);
}

/* 增益勾选 */
.buff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
}

.buff-item {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.buff-item:hover {
    border-color: var(--border-strong);
}

.buff-item input {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border: 1px solid var(--border-strong);
    border-radius: 2px;
    background: var(--bg);
    position: relative;
    cursor: pointer;
    flex-shrink: 0;
}

.buff-item input:checked {
    background: linear-gradient(180deg, var(--gold-light), var(--gold));
    border-color: var(--gold);
}

.buff-item input:checked::after {
    content: "";
    position: absolute;
    left: 4px;
    top: 1px;
    width: 5px;
    height: 9px;
    border: solid #1a1a1a;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.buff-item.is-on {
    border-color: var(--border-strong);
    background: rgba(207, 166, 112, 0.08);
}

.buff-item .b-name {
    font-size: 13px;
    color: var(--text);
    letter-spacing: 1px;
}

.buff-item .b-val {
    font-size: 11px;
    color: var(--gold);
    margin-left: auto;
}

.calc-actions {
    display: flex;
    gap: 12px;
    margin-top: 22px;
    flex-wrap: wrap;
}

.calc-actions .btn {
    flex: 1;
    min-width: 130px;
}

/* 结果区 */
.result-hero {
    padding: 26px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border);
    background:
        radial-gradient(60% 120% at 50% 0%, rgba(207, 166, 112, 0.14), transparent 65%);
}

.result-label {
    font-size: 12px;
    letter-spacing: 4px;
    color: var(--text-mute);
}

.result-value {
    font-family: var(--font-serif);
    font-size: 42px;
    letter-spacing: 2px;
    color: var(--gold-light);
    font-variant-numeric: tabular-nums;
    line-height: 1.3;
    margin: 4px 0 10px;
}

.result-value small {
    font-size: 16px;
    color: var(--text-dim);
    letter-spacing: 1px;
}

.grad-bar {
    position: relative;
    height: 10px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 99px;
    overflow: hidden;
    margin-top: 6px;
}

.grad-bar > i {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    border-radius: 99px;
    background: linear-gradient(90deg, var(--copper), var(--gold-light));
    box-shadow: 0 0 12px rgba(207, 166, 112, 0.5);
    transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.grad-meta {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-mute);
}

.grad-tip {
    margin-top: 12px;
    font-size: 13px;
    letter-spacing: 1px;
    color: var(--gold);
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--border);
}

.res-cell {
    background: var(--bg-deep);
    padding: 14px 16px;
}

.res-cell .k {
    font-size: 11px;
    letter-spacing: 2px;
    color: var(--text-mute);
}

.res-cell .v {
    font-size: 17px;
    color: var(--text);
    font-variant-numeric: tabular-nums;
    letter-spacing: 1px;
}

.res-cell .v.gold {
    color: var(--gold-light);
}

.formula {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.25);
    font-size: 12px;
    color: var(--text-mute);
    line-height: 1.9;
    letter-spacing: 0.5px;
}

.formula code {
    font-family: "SFMono-Regular", Consolas, monospace;
    color: var(--gold);
    background: rgba(207, 166, 112, 0.08);
    padding: 1px 5px;
    border-radius: 2px;
}

.notice {
    margin: 0 20px 20px;
    padding: 12px 14px;
    border: 1px solid rgba(192, 86, 63, 0.35);
    background: rgba(192, 86, 63, 0.08);
    border-radius: 3px;
    font-size: 12px;
    color: #d8a89b;
    line-height: 1.8;
}

/* ============================================================
   滚动淡入
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.in-view {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        transition: none;
    }
}

/* 招募 · 百业活动 / 百业规矩 */
.join-info {
    display: grid;
    gap: 22px;
}

.join-h {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--gold-light);
}

.join-h::after {
    content: "";
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, rgba(207, 166, 112, 0.45), transparent);
}

.join-act {
    list-style: none;
    display: grid;
    gap: 8px;
}

.join-act li {
    display: flex;
    align-items: baseline;
    gap: 14px;
    flex-wrap: wrap;
    padding: 12px 16px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-left: 2px solid rgba(207, 166, 112, 0.55);
    border-radius: var(--radius);
    transition: border-color 0.25s ease, background 0.25s ease;
}

.join-act li:hover {
    border-left-color: var(--gold);
    background: var(--bg-soft);
}

.ja-time {
    font-family: var(--font-serif);
    font-size: 15px;
    letter-spacing: 0.5px;
    color: var(--gold-light);
    min-width: 132px;
}

.ja-name {
    font-size: 14.5px;
    font-weight: 600;
    color: var(--text);
}

.ja-note {
    font-size: 12.5px;
    color: var(--text-mute);
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 900px) {
    .navbar > .container > .btn,
    .navbar > .container > .nav-cta {
        padding: 8px 14px;
        font-size: 13px;
        letter-spacing: 1px;
    }

    /* recruit-grid 已改为单列居中，不再需要这里覆盖 */
    .about-grid,
    .calc-layout {
        grid-template-columns: 1fr;
    }

    .join-post {
        margin-top: 32px;
        padding: 18px 20px;
    }

    .ja-time {
        min-width: 0;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: rgba(18, 18, 18, 0.98);
        border-bottom: 1px solid var(--border);
        padding: 8px;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .navbar .container {
        position: relative;
    }

    .grid-3 {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 560px) {
    .section {
        padding: 56px 0;
    }

    .container {
        padding: 0 16px;
    }

    .hero-title {
        letter-spacing: 10px;
        text-indent: 10px;
    }

    .hero-slogan {
        letter-spacing: 4px;
        text-indent: 4px;
    }

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

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

    .tool-card {
        padding: 40px 18px;
    }

    /* 窄屏：投帖入口改为图标+文字一行，按钮另起一行 */
    .join-post {
        flex-wrap: wrap;
        gap: 14px;
        padding: 16px;
    }

    .jp-icon {
        width: 46px;
        height: 46px;
    }

    .jp-title {
        font-size: 16px;
        letter-spacing: 2px;
    }

    .jp-arrow {
        width: 100%;
        justify-content: center;
    }
}