/* =====================================================================
   ★ 本站排版布局样式表（已按参考站风格重排，仅改排版布局，不改内容）
   ---------------------------------------------------------------------
   本文件是整站(首页/注册/排行/充值等所有页面)共用的样式表。
   页面文字的大小、颜色、面板样式、按钮形状都定义在这里。

   改完本文件后记得把 app/view.php 里的缓存版本号 v= 数字 +1，
   浏览器才会强制重新下载最新样式（见 app/view.php 第 21~23 行注释）。

   主要配色（对标参考站「盛世」暗色游戏风）：
   - 深蓝黑背景  #020710
   - 蓝色主色    #0ac8ff
   - 火红辅色    #ff5426
   - 金色点缀    #ffbd59
   ===================================================================== */

:root {
    color-scheme: dark;
    --bg: #020710;
    --panel: #051828;
    --panel-strong: #03121f;
    --line: rgba(38, 171, 229, 0.3);
    --text: #dff7ff;
    --muted: #7e9aad;
    --blue: #0ac8ff;
    --fire: #ff5426;
    --gold: #ffbd59;
    --green: #54ff8a;
    --shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    background: var(--bg);
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    background:
        radial-gradient(ellipse at 12% 80%, rgba(255, 64, 0, 0.10), transparent 30%),
        radial-gradient(ellipse at 88% 76%, rgba(0, 136, 255, 0.10), transparent 32%),
        #020710;
    line-height: 1.6;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.13;
    background-image:
        linear-gradient(rgba(122, 163, 215, 0.10) 1px, transparent 1px),
        linear-gradient(90deg, rgba(122, 163, 215, 0.10) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(to bottom, black, transparent 80%);
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select {
    font: inherit;
}

.page-shell {
    position: relative;
    z-index: 1;
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

/* ============================================================
   顶部导航栏（对标参考站：深色渐变条 + 底部蓝色高光线）
   ============================================================ */
.site-header {
    min-height: 92px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    background: linear-gradient(#020811, #020913);
    border-bottom: 1px solid rgba(52, 179, 255, 0.24);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

.site-header::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--fire), transparent 30%, var(--blue), transparent 70%, var(--fire), transparent);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    min-width: 240px;
}

.brand-mark {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    color: #0ac8ff;
    font-family: Impact, "Microsoft YaHei", Arial, sans-serif;
    font-size: 27px;
    font-style: italic;
    text-shadow: 0 0 14px #0787d6;
}

.brand strong,
.brand small {
    display: block;
}

.brand strong {
    font-size: 21px;
    letter-spacing: 4px;
    text-shadow: 0 0 15px rgba(7, 135, 214, 0.7);
}

.brand small {
    margin-top: 2px;
    color: #5f8196;
    font-size: 9px;
    letter-spacing: 3px;
}

/* 顶部导航按钮（对标参考站：两行型按钮，带浅色 EN 小字） */
.nav {
    display: flex;
    align-items: stretch;
    justify-content: flex-end;
    height: 100%;
}

.nav a {
    position: relative;
    min-width: 104px;
    display: grid;
    align-content: center;
    justify-items: center;
    padding: 0 8px;
    color: #7f9daf;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 2px;
    overflow: hidden;
    transition: color 0.35s, text-shadow 0.35s;
}

.nav a small {
    margin-top: 4px;
    font-size: 8px;
    font-weight: 400;
    letter-spacing: 2px;
    opacity: 0.55;
}

.nav a::before {
    content: "";
    position: absolute;
    inset: 12px 5px;
    background: linear-gradient(135deg, rgba(10, 200, 255, 0.15), rgba(255, 75, 26, 0.08));
    border: 1px solid transparent;
    clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%);
    transform: translateY(-120%);
    transition: transform 0.35s, border 0.35s;
}

.nav a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--fire), var(--gold));
    box-shadow: 0 0 15px var(--fire);
    transition: left 0.35s, width 0.35s;
}

.nav a:hover,
.nav a.active {
    color: #fff;
    text-shadow: 0 0 10px var(--blue);
}

.nav a:hover::before,
.nav a.active::before {
    transform: none;
    border-color: rgba(38, 190, 255, 0.25);
}

.nav a.active::after {
    left: 15%;
    width: 70%;
}

/* 区服切换徽章（保留原功能，改到参考站外观） */
.region-pill {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin: 0 8px;
    padding: 7px 13px;
    border: 1px solid rgba(10, 200, 255, 0.35);
    border-radius: 4px;
    color: #bdeaff;
    background: #03131f;
    font-size: 12px;
    white-space: nowrap;
    box-shadow: 0 0 15px rgba(0, 179, 255, 0.15);
    transition: border 0.3s, background 0.3s;
}

.region-pill:hover {
    border-color: var(--blue);
    background: #05324d;
}

.region-pill-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 9px var(--green);
}

.region-pill-edit {
    margin-left: 2px;
    color: var(--blue);
    font-weight: 700;
}

/* ============================================================
   主体内容
   ============================================================ */
.main-content {
    min-height: calc(100vh - 150px);
    padding: 56px 0 70px;
}

/* 消息提示条 */
.alert {
    width: min(760px, 100%);
    margin: 0 auto 24px;
    padding: 14px 18px;
    border: 1px solid rgba(10, 200, 255, 0.35);
    border-radius: 4px;
    color: #dff7ff;
    background: #03151f;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
}

.alert-error {
    border-color: rgba(255, 84, 38, 0.55);
    color: #ffd3c7;
    background: #27120a;
}

.alert-success {
    border-color: rgba(84, 255, 138, 0.4);
    color: #c8ffe0;
    background: #042018;
}

/* ============================================================
   首页 hero（大标题 + 行动按钮 + 服务器状态）
   ============================================================ */
.hero {
    padding: 60px 20px 60px;
    text-align: center;
    position: relative;
}

.hero-copy {
    max-width: 1150px;
    margin: 0 auto;
}

.eyebrow {
    display: block;
    margin: 0 0 4px;
    color: #3286aa;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 10px;
}

.hero h1,
.form-intro h1,
.result-card h1 {
    margin: 12px 0 20px;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

/* 大标题（对标参考站：巨大斜体渐变字 + 蓝色描边光晕） */
.hero h1 {
    margin: 8px 0 12px;
    font-family: Impact, "Microsoft YaHei", Arial, sans-serif;
    font-style: italic;
    font-size: clamp(54px, 8vw, 118px);
    font-weight: 400;
    letter-spacing: 8px;
    color: transparent;
    background: linear-gradient(#fff, #9edfff 35%, #087ec1 64%, #fff 66%, #ffb963 70%, #e13214);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-stroke: 1px rgba(207, 242, 255, 0.4);
    filter: drop-shadow(0 8px 0 #041b32) drop-shadow(0 0 30px rgba(0, 166, 255, 0.36));
}

.hero h1 em {
    font-style: italic;
    background: linear-gradient(#fff0ba, #ffb024 38%, #ff3f13 70%);
    background-clip: text;
    -webkit-background-clip: text;
}

.hero-copy > p {
    max-width: 900px;
    margin: 0 auto;
    color: #9fc6d5;
    font-size: 17px;
    letter-spacing: 2px;
    line-height: 1.9;
}

.hero-copy > p:first-of-type {
    margin-top: 14px;
}

/* 行动按钮区 */
.hero-actions,
.result-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-top: 32px;
}

.button {
    min-height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 26px;
    border: 1px solid transparent;
    cursor: pointer;
    color: #fff;
    font: inherit;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 2px;
    clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
    transition: transform 0.3s, filter 0.3s, box-shadow 0.3s;
}

.button:hover {
    transform: translateY(-3px);
    filter: brightness(1.25);
}

.button-primary {
    color: #fff;
    border-color: #ff714c;
    background: linear-gradient(105deg, #8e1d0a, #f14b19);
    box-shadow: 0 0 25px rgba(255, 60, 15, 0.28);
}

.button-secondary {
    color: #bdeaff;
    border-color: #278eb9;
    background: linear-gradient(105deg, rgba(7, 47, 72, 0.9), rgba(10, 103, 145, 0.8));
}

.button-full {
    width: 100%;
    margin-top: 8px;
}

/* ============================================================
   首页功能简介（feature-grid）
   ============================================================ */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--line);
}

.feature-grid article {
    padding: 30px 30px 12px 0;
}

.feature-grid article + article {
    padding-left: 30px;
    border-left: 1px solid var(--line);
}

.feature-number {
    color: #1988b5;
    font-family: Consolas, monospace;
    font-size: 12px;
    letter-spacing: 2px;
}

.feature-grid h2 {
    margin: 10px 0 8px;
    font-size: 18px;
    letter-spacing: 2px;
    color: #dff7ff;
}

.feature-grid p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

/* ============================================================
   首页游戏介绍
   ============================================================ */
.game-intro {
    padding-top: 46px;
    border-top: 1px solid var(--line);
}

.game-intro-header {
    text-align: center;
    margin-bottom: 26px;
}

.game-intro-header h2 {
    margin: 6px 0 0;
    font-size: 30px;
    letter-spacing: 8px;
    color: #eefaff;
    text-shadow: 0 0 17px rgba(4, 171, 255, 0.45);
}

.game-intro-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 15px;
}

.game-intro-grid article {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
    min-height: 98px;
    padding: 22px;
    border: 1px solid rgba(38, 171, 229, 0.3);
    background: linear-gradient(145deg, rgba(5, 24, 40, 0.96), rgba(2, 11, 22, 0.96));
    box-shadow: inset 0 0 30px rgba(2, 126, 176, 0.06);
    transition: transform 0.3s, border 0.3s;
}

.game-intro-grid article:hover {
    border-color: rgba(22, 191, 240, 0.45);
    transform: translateY(-2px);
}

.game-intro-grid article > span {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(10, 200, 255, 0.35);
    color: #0ac8ff;
    font-family: Consolas, monospace;
    font-size: 12px;
    background: rgba(0, 162, 219, 0.09);
}

.game-intro-grid article p {
    margin: 7px 0 0;
    color: #9fc6d5;
    font-size: 14px;
    line-height: 1.8;
}

.game-intro-highlight {
    margin-top: 18px;
    padding: 20px 22px;
    border: 1px solid rgba(241, 88, 48, 0.24);
    border-radius: 4px;
    color: #ffd6c7;
    text-align: center;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 2px;
    background: linear-gradient(90deg, rgba(93, 27, 12, 0.25), rgba(6, 21, 34, 0.4));
}

/* ============================================================
   排行页
   ============================================================ */
.ranking-page {
    width: min(950px, 100%);
    margin: 0 auto;
}

.ranking-header {
    margin-bottom: 30px;
    text-align: center;
}

.ranking-header h1 {
    margin: 8px 0 10px;
    font-size: 30px;
    letter-spacing: 6px;
    color: #eefaff;
    text-shadow: 0 0 15px rgba(4, 171, 255, 0.45);
}

.ranking-header p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.ranking-table-wrap {
    overflow: auto;
    max-height: 560px;
    border: 1px solid rgba(38, 171, 229, 0.3);
    background: var(--panel);
    box-shadow: var(--shadow);
    scrollbar-width: thin;
    scrollbar-color: #0b6b95 #03101b;
}

.ranking-table {
    width: 100%;
    min-width: 620px;
    border-collapse: collapse;
    font-size: 13px;
}

.ranking-table th,
.ranking-table td {
    padding: 13px 18px;
    border-bottom: 1px solid rgba(29, 91, 118, 0.16);
    text-align: left;
    white-space: nowrap;
}

.ranking-table th {
    position: sticky;
    top: 0;
    z-index: 1;
    color: #6c9caf;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 2px;
    background: #071b29;
}

.ranking-table tbody tr:nth-child(even) td {
    background: rgba(12, 63, 88, 0.12);
}

.ranking-table tbody tr:hover td {
    color: #fff;
    background: rgba(10, 134, 184, 0.18);
}

.ranking-table .rank-column {
    width: 90px;
    text-align: center;
}

.ranking-table .level-column,
.ranking-table .experience-column {
    text-align: right;
}

.rank-badge {
    display: inline-grid;
    place-items: center;
    width: 24px;
    height: 24px;
    min-width: 24px;
    color: #89aebe;
    font-family: Consolas, monospace;
    font-size: 11px;
}

.rank-top-1 .rank-badge {
    color: #fff;
    background: linear-gradient(135deg, #ff7b18, #a12209);
    clip-path: polygon(50% 0, 100% 25%, 90% 85%, 50% 100%, 10% 85%, 0 25%);
}

.rank-top-2 .rank-badge {
    color: #e6f2ff;
}

.rank-top-3 .rank-badge {
    color: #ffbd59;
}

.character-name {
    color: #d8f5ff;
    font-weight: 700;
}

.class-name {
    color: #9fb4d1;
}

.level-value {
    color: var(--blue);
    font-family: Consolas, monospace;
    font-weight: 700;
}

.experience-value {
    color: #9db0cc;
    font-family: Consolas, monospace;
    font-size: 13px;
}

.ranking-state {
    padding: 46px 24px;
    border: 1px solid rgba(38, 171, 229, 0.3);
    color: var(--muted);
    text-align: center;
    background: var(--panel);
}

.ranking-state strong {
    display: block;
    margin-bottom: 8px;
    color: #e6efff;
    font-size: 18px;
    letter-spacing: 3px;
}

.ranking-note {
    margin: 16px 0 0;
    color: #4f788c;
    text-align: center;
    font-size: 11px;
}

/* 排行页区服切换 */
.ranking-region-switch {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 9px;
    margin-top: 18px;
    color: #8093af;
    font-size: 12px;
}

.ranking-region-chip {
    padding: 7px 16px;
    border: 1px solid rgba(38, 171, 229, 0.3);
    color: #c4d4ea;
    background: rgba(3, 21, 34, 0.6);
    transition: border 0.3s, background 0.3s;
}

.ranking-region-chip:hover {
    border-color: var(--blue);
}

.ranking-region-chip.active {
    border-color: rgba(84, 255, 138, 0.5);
    color: #e6fff4;
    background: linear-gradient(90deg, rgba(9, 103, 151, 0.75), rgba(10, 157, 195, 0.45));
    box-shadow: inset 0 -2px var(--blue);
}

/* ============================================================
   表单页（注册 / 改密 / 充值）两栏布局
   ============================================================ */
.form-layout {
    width: min(980px, 100%);
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(250px, 0.75fr) minmax(430px, 1.25fr);
    gap: 60px;
    align-items: start;
}

.form-intro {
    padding-top: 24px;
}

.form-intro h1 {
    font-size: 30px;
    letter-spacing: 6px;
    color: #eefaff;
    text-shadow: 0 0 15px rgba(4, 171, 255, 0.45);
}

.form-intro > p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.9;
}

.check-list {
    margin: 26px 0 0;
    padding: 0;
    list-style: none;
}

.check-list li {
    position: relative;
    margin: 13px 0;
    padding-left: 22px;
    color: #86aebe;
    font-size: 13px;
}

.check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.58em;
    width: 5px;
    height: 5px;
    background: var(--fire);
    transform: rotate(45deg);
    box-shadow: 0 0 7px var(--fire);
}

/* 表单面板 */
.portal-form {
    position: relative;
    padding: 32px 40px 38px;
    border: 1px solid rgba(38, 171, 229, 0.3);
    background: linear-gradient(135deg, rgba(5, 24, 40, 0.96), rgba(2, 11, 22, 0.96));
    box-shadow: var(--shadow), inset 0 0 55px rgba(2, 103, 163, 0.07);
}

.portal-form::before,
.portal-form::after {
    content: "";
    position: absolute;
    width: 90px;
    height: 2px;
    top: -1px;
    background: linear-gradient(90deg, var(--fire), transparent);
}

.portal-form::before {
    left: 0;
}

.portal-form::after {
    right: 0;
    transform: scaleX(-1);
}

.field {
    display: block;
    margin-bottom: 18px;
}

.field > span {
    display: block;
    margin-bottom: 7px;
    color: #83a9bb;
    font-size: 12px;
    letter-spacing: 1px;
}

.field input,
.region-select-field select {
    width: 100%;
    height: 46px;
    padding: 0 15px;
    border: 1px solid rgba(34, 139, 188, 0.28);
    border-radius: 0;
    outline: none;
    color: #d9f4ff;
    background: #061522;
    font: inherit;
    font-size: 14px;
    transition: border 0.25s, box-shadow 0.25s;
}

.field input::placeholder {
    color: #3e6275;
}

.field input:focus,
.region-select-field select:focus {
    border-color: var(--blue);
    box-shadow: 0 0 15px rgba(0, 179, 255, 0.13);
}

.field small {
    display: block;
    margin-top: 6px;
    color: #4f788c;
    font-size: 11px;
}

.field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.code-input {
    font-family: Consolas, "Courier New", monospace !important;
    letter-spacing: 0.075em;
    text-transform: uppercase;
}

.captcha-field input {
    max-width: 132px;
}

.agreement {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin: 8px 0 18px;
    color: #7e98ab;
    font-size: 12px;
    line-height: 1.7;
}

.agreement input {
    width: 16px;
    height: 16px;
    margin: 2px 0 0;
    accent-color: #ff5426;
}

.honeypot {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    clip: rect(0 0 0 0) !important;
    white-space: nowrap !important;
}

/* 表单提交按钮（对标参考站：红橙色渐变斜边大按钮） */
.button-primary.button-full {
    border: 1px solid #f15b31;
    background: linear-gradient(100deg, #6d1a0b, #d64518, #6d1a0b);
    box-shadow: 0 0 22px rgba(255, 63, 13, 0.18);
    letter-spacing: 4px;
}

/* ============================================================
   结果/成功卡片
   ============================================================ */
.result-card {
    width: min(720px, 100%);
    margin: 30px auto;
    padding: 48px;
    border: 1px solid rgba(38, 171, 229, 0.3);
    text-align: center;
    background: linear-gradient(145deg, rgba(5, 24, 40, 0.96), rgba(2, 11, 22, 0.96));
    box-shadow: var(--shadow), inset 0 0 55px rgba(2, 103, 163, 0.07);
}

.result-card::before {
    content: "";
    position: absolute;
    top: -1px;
    left: 14%;
    right: 14%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--fire), var(--gold), var(--fire), transparent);
    box-shadow: 0 0 18px var(--fire);
}

.result-icon {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    margin: 0 auto 22px;
    color: #041421;
    font-size: 26px;
    font-weight: 900;
    background: linear-gradient(135deg, #7fe7ff, var(--blue));
    clip-path: polygon(50% 0, 100% 25%, 90% 85%, 50% 100%, 10% 85%, 0 25%);
    box-shadow: 0 0 25px rgba(5, 202, 255, 0.4);
}

.result-card h1 {
    margin: 8px 0 10px;
    font-size: 25px;
    letter-spacing: 4px;
    color: #f2fcff;
    text-shadow: 0 0 15px rgba(0, 184, 255, 0.25);
}

.result-card > p {
    margin: 0 auto;
    color: #86b1c1;
    font-size: 13px;
}

.result-card > p strong {
    color: #fff;
}

.result-notice {
    margin-top: 26px;
    padding: 15px 18px;
    border: 1px solid rgba(37, 122, 155, 0.23);
    color: #86b1c1;
    text-align: left;
    background: rgba(2, 13, 24, 0.66);
    font-size: 12px;
}

.result-actions {
    justify-content: center;
}

.result-data {
    margin: 28px 0;
    border-top: 1px solid rgba(28, 142, 193, 0.25);
    border-bottom: 1px solid rgba(28, 142, 193, 0.25);
}

.result-data div {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 20px;
    padding: 12px 8px;
    text-align: left;
    color: #fff;
}

.result-data div + div {
    border-top: 1px solid rgba(29, 91, 118, 0.16);
}

.result-data span {
    color: #76cce8;
    font-size: 12px;
}

.result-data strong {
    overflow-wrap: anywhere;
    color: #fff;
    font-family: Consolas, monospace;
    font-size: 14px;
    font-weight: 700;
}

/* ============================================================
   首页区服选择
   ============================================================ */
.choose-region {
    width: min(980px, 100%);
    margin: 0 auto 30px;
    padding: 32px;
    border: 1px solid rgba(10, 200, 255, 0.28);
    text-align: center;
    background: linear-gradient(135deg, rgba(5, 24, 40, 0.9), rgba(2, 11, 22, 0.9));
    box-shadow: var(--shadow);
}

.choose-region-header h2 {
    margin: 6px 0 4px;
    font-size: 24px;
    letter-spacing: 6px;
    color: #eefaff;
    text-shadow: 0 0 15px rgba(4, 171, 255, 0.45);
}

.choose-region-header p {
    margin: 6px 0 24px;
    color: var(--muted);
    font-size: 13px;
}

.region-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 15px;
    text-align: left;
}

.region-tile {
    display: grid;
    gap: 5px;
    padding: 18px 20px;
    border: 1px solid rgba(38, 171, 229, 0.3);
    background: rgba(6, 21, 34, 0.9);
    transition: transform 0.3s, border 0.3s, box-shadow 0.3s;
}

.region-tile:hover {
    transform: translateY(-3px);
    border-color: var(--blue);
    box-shadow: 0 14px 35px rgba(0, 200, 255, 0.18);
}

.region-tile.active {
    border-color: rgba(84, 255, 138, 0.55);
    background: linear-gradient(90deg, rgba(9, 103, 151, 0.6), rgba(10, 157, 195, 0.35));
    box-shadow: inset 0 -2px var(--blue);
}

.region-tile-label {
    color: #d8f5ff;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 2px;
}

.region-tile-state {
    color: #5f8295;
    font-size: 11px;
}

.region-tile.active .region-tile-state {
    color: #baf2d9;
}

.region-now {
    width: min(980px, 100%);
    margin: 22px auto 0;
    color: var(--muted);
    text-align: center;
    font-size: 13px;
}

.region-now strong {
    color: #ecf6ff;
}

.region-now-switch {
    margin-left: 10px;
    color: var(--blue);
    font-weight: 700;
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 28px;
    border-top: 1px solid rgba(38, 171, 229, 0.2);
    color: #4f788c;
    font-size: 11px;
    letter-spacing: 1px;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1100px) {
    .site-header {
        min-height: auto;
        flex-wrap: wrap;
        padding: 13px 4px;
        gap: 6px;
    }

    .brand {
        margin: auto;
    }

    .nav {
        flex-basis: 100%;
        height: 62px;
        justify-content: flex-start;
        overflow-x: auto;
    }

    .nav a {
        min-width: 112px;
    }

    .region-pill {
        order: 3;
        margin: 0;
    }
}

@media (max-width: 820px) {
    .page-shell {
        width: min(100% - 28px, 680px);
    }

    .main-content {
        padding: 38px 0 52px;
    }

    .form-layout {
        grid-template-columns: 1fr;
        gap: 38px;
    }

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

    .game-intro-grid {
        grid-template-columns: 1fr;
    }

    .feature-grid article,
    .feature-grid article + article {
        padding: 24px 0;
        border-left: 0;
        border-bottom: 1px solid var(--line);
    }

    .form-intro {
        padding-top: 0;
    }

    .site-footer {
        padding: 22px 0;
        flex-direction: column;
        gap: 8px;
    }
}

@media (max-width: 540px) {
    .hero h1 {
        font-size: 46px;
        letter-spacing: 4px;
    }

    .hero-actions .button {
        width: 100%;
    }

    .game-intro {
        padding-top: 32px;
    }

    .game-intro-grid article {
        grid-template-columns: 42px minmax(0, 1fr);
        padding: 18px;
    }

    .portal-form,
    .result-card {
        padding: 26px 18px;
    }

    .field-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .result-data div {
        grid-template-columns: 1fr;
        gap: 3px;
    }

    .choose-region {
        padding: 22px;
    }
}

/* ============================================================
   游戏介绍独立页（intro.php）
   ============================================================ */
.intro-page {
    width: min(1080px, 100%);
    margin: 0 auto;
    padding-top: 10px;
}

.intro-panel {
    position: relative;
    padding: 30px 38px 38px;
    border: 1px solid rgba(38, 171, 229, 0.3);
    background: linear-gradient(135deg, rgba(5, 24, 40, 0.96), rgba(2, 11, 22, 0.96));
    box-shadow: var(--shadow), inset 0 0 55px rgba(2, 103, 163, 0.07);
}

.intro-panel::before,
.intro-panel::after {
    content: "";
    position: absolute;
    width: 90px;
    height: 2px;
    top: -1px;
    background: linear-gradient(90deg, var(--fire), transparent);
}

.intro-panel::before {
    left: 0;
}

.intro-panel::after {
    right: 0;
    transform: scaleX(-1);
}

.panel-heading {
    text-align: center;
    margin-bottom: 24px;
}

.panel-heading p {
    margin: 0;
    color: #1988b5;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 5px;
}

.panel-heading h2 {
    margin: 6px 0 8px;
    font-size: 30px;
    letter-spacing: 8px;
    color: #eefaff;
    text-shadow: 0 0 17px rgba(4, 171, 255, 0.45);
}

/* 标签页按钮 */
.intro-tabs {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    margin: 0 0 22px;
    border: 1px solid rgba(28, 146, 201, 0.25);
    background: #031421;
}

.intro-tabs button {
    height: 44px;
    border: 0;
    border-right: 1px solid rgba(28, 146, 201, 0.18);
    color: #6f9caf;
    background: transparent;
    cursor: pointer;
    font-size: 14px;
    letter-spacing: 2px;
    transition: 0.3s;
}

.intro-tabs button:last-child {
    border-right: 0;
}

.intro-tabs button:hover {
    color: #fff;
    background: rgba(7, 84, 121, 0.35);
}

.intro-tabs button.active {
    color: #fff;
    background: linear-gradient(90deg, rgba(9, 103, 151, 0.85), rgba(10, 159, 199, 0.45));
    box-shadow: inset 0 -2px var(--blue);
    text-shadow: 0 0 9px var(--blue);
}

/* 介绍内容面板 */
.intro-section {
    display: none;
}

.intro-section.active {
    display: block;
    animation: introFade 0.4s ease;
}

@keyframes introFade {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: none; }
}

/* 顶部版本横幅 */
.intro-lead {
    display: grid;
    grid-template-columns: 130px 1fr;
    align-items: center;
    gap: 18px;
    margin-bottom: 18px;
    padding: 17px 20px;
    border: 1px solid rgba(241, 88, 48, 0.24);
    background: linear-gradient(90deg, rgba(93, 27, 12, 0.25), rgba(6, 21, 34, 0.4));
}

.intro-lead strong {
    color: #ff9b65;
    font-size: 17px;
    letter-spacing: 3px;
}

.intro-lead span {
    color: #9fc6d5;
    font-size: 13px;
    line-height: 1.8;
}

/* 介绍卡片网格 */
.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.intro-card {
    padding: 18px 20px;
    border: 1px solid rgba(28, 130, 173, 0.24);
    background: linear-gradient(145deg, rgba(6, 34, 55, 0.72), rgba(3, 14, 25, 0.85));
    box-shadow: inset 0 0 28px rgba(5, 126, 176, 0.05);
    transition: 0.3s;
}

.intro-card:hover {
    border-color: rgba(22, 191, 240, 0.45);
    transform: translateY(-2px);
}

.intro-card h3 {
    margin: 0 0 11px;
    color: #ccefff;
    font-size: 15px;
    letter-spacing: 2px;
}

.intro-card h3::before {
    content: "◆";
    margin-right: 8px;
    color: var(--fire);
    font-size: 9px;
}

.intro-card ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.intro-card li {
    position: relative;
    padding: 5px 0 5px 15px;
    color: #7298aa;
    font-size: 12px;
    line-height: 1.65;
}

.intro-card li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 13px;
    width: 4px;
    height: 4px;
    background: #16b8e8;
    box-shadow: 0 0 7px #16b8e8;
}

/* 物品掉落网格 */
.drop-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.drop-grid > div {
    display: grid;
    grid-template-columns: 190px 1fr;
    align-items: center;
    min-height: 51px;
    padding: 0 18px;
    border: 1px solid rgba(28, 118, 156, 0.24);
    background: rgba(5, 26, 42, 0.67);
}

.drop-grid b {
    color: #d6f5ff;
    font-size: 13px;
}

.drop-grid span {
    color: #69a2bb;
    font-size: 12px;
}

/* ============================================================
   首页底部高亮公告（home-highlights）
   ============================================================ */
.home-highlights {
    width: min(1080px, 100%);
    margin: 0 auto 10px;
}

.game-intro-highlight {
    margin-top: 14px;
    padding: 18px 22px;
    border: 1px solid rgba(241, 88, 48, 0.24);
    border-radius: 4px;
    color: #ffd6c7;
    text-align: center;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 2px;
    background: linear-gradient(90deg, rgba(93, 27, 12, 0.25), rgba(6, 21, 34, 0.4));
}

/* ============================================================
   intro 页响应式
   ============================================================ */
@media (max-width: 900px) {
    .intro-tabs {
        grid-template-columns: repeat(3, 1fr);
    }

    .intro-tabs button:nth-child(3) {
        border-right: 0;
    }

    .intro-grid,
    .drop-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .intro-panel {
        padding: 24px 14px;
    }

    .intro-tabs {
        grid-template-columns: repeat(2, 1fr);
    }

    .intro-tabs button:nth-child(3) {
        border-right: 1px solid rgba(28, 146, 201, 0.18);
    }

    .intro-tabs button:nth-child(even) {
        border-right: 0;
    }

    .intro-lead {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .drop-grid > div {
        grid-template-columns: 1fr;
        gap: 4px;
        padding: 12px 14px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}