/* ========================================
   七七运动 v6.0 - 极简精致版
   设计语言: 极简留白 / 精致克制
   ======================================== */

/* ===== 变量 - 亮色 ===== */
:root {
    --accent: #3b82f6;
    --accent-soft: #eff6ff;
    --accent-glow: rgba(59, 130, 246, 0.12);
    --accent-deep: #2563eb;

    --bg-body: #f7f8fa;
    --bg-card: #ffffff;
    --bg-input: #f3f4f6;
    --bg-hover: #f3f4f6;
    --bg-overlay: rgba(17, 24, 39, 0.5);
    --bg-blur: rgba(255, 255, 255, 0.8);

    --text-1: #111827;
    --text-2: #6b7280;
    --text-3: #9ca3af;
    --text-white: #ffffff;

    --border: #e5e7eb;
    --border-2: #d1d5db;

    --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);
    --shadow-float: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -2px rgba(0,0,0,0.03);
    --shadow-pop: 0 10px 25px -3px rgba(0,0,0,0.08), 0 4px 10px -2px rgba(0,0,0,0.04);
    --shadow-modal: 0 25px 50px -12px rgba(0,0,0,0.15);

    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 16px;
    --r-xl: 20px;

    --t: 0.18s ease;

    --green: #10b981;
    --green-bg: #ecfdf5;
    --red: #ef4444;
    --red-bg: #fef2f2;
    --orange: #f59e0b;
    --orange-bg: #fffbeb;
    --blue: #3b82f6;
    --blue-bg: #eff6ff;
}

/* ===== 变量 - 暗色 ===== */
body.dark {
    --accent: #60a5fa;
    --accent-soft: rgba(59, 130, 246, 0.15);
    --accent-glow: rgba(96, 165, 250, 0.15);
    --accent-deep: #3b82f6;

    --bg-body: #0f1115;
    --bg-card: #1a1d23;
    --bg-input: #252932;
    --bg-hover: #252932;
    --bg-overlay: rgba(0,0,0,0.65);
    --bg-blur: rgba(15, 17, 21, 0.85);

    --text-1: #f3f4f6;
    --text-2: #9ca3af;
    --text-3: #6b7280;
    --text-white: #ffffff;

    --border: #2d3139;
    --border-2: #3f4451;

    --shadow-card: 0 1px 3px rgba(0,0,0,0.2);
    --shadow-float: 0 4px 6px -1px rgba(0,0,0,0.3);
    --shadow-pop: 0 10px 25px -3px rgba(0,0,0,0.4);
    --shadow-modal: 0 25px 50px -12px rgba(0,0,0,0.6);

    --green-bg: rgba(16, 185, 129, 0.12);
    --red-bg: rgba(239, 68, 68, 0.12);
    --orange-bg: rgba(245, 158, 11, 0.12);
    --blue-bg: rgba(59, 130, 246, 0.12);
}

/* ===== 重置 ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
    background: var(--bg-body);
    color: var(--text-1);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background var(--t), color var(--t);
}

/* ===== 容器 ===== */
.container {
    max-width: 420px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* ===== 头部 ===== */
.header {
    position: relative;
    text-align: center;
    padding: 28px 0 4px;
}

.announcement-fab {
    position: absolute;
    top: 24px;
    left: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    color: var(--text-2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 15px;
    transition: var(--t);
    z-index: 10;
    padding: 0;
}
.announcement-fab:hover { color: var(--accent); border-color: var(--accent); }
.announcement-fab .announcement-dot {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--red);
    border: 2px solid var(--bg-card);
    display: none;
}
.announcement-fab.has-new .announcement-dot {
    display: block;
    animation: announcementPulse 1.6s ease-in-out infinite;
}
@keyframes announcementPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5); }
    50% { box-shadow: 0 0 0 5px rgba(239, 68, 68, 0); }
}

.theme-toggle {
    position: absolute;
    top: 24px;
    right: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    color: var(--text-2);
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--t);
    z-index: 10;
    padding: 0;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }

.logo {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-1);
    margin: 0;
}

.tagline {
    font-size: 13px;
    color: var(--text-3);
    margin-top: 4px;
    font-weight: 400;
}

.header-actions {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 18px;
    flex-wrap: wrap;
}

.header-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-2);
    padding: 7px 14px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--t);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: inherit;
}
.header-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-soft);
}

/* 自动托管 - 类似API在线的pill风格 */
.header-btn.header-btn-accent {
    background: var(--accent-soft);
    border-color: transparent;
    color: var(--accent);
    font-weight: 600;
}
.header-btn.header-btn-accent:hover {
    background: var(--accent);
    color: var(--text-white);
}

/* 关于工具 - 轻量pill风格 */
.header-btn.header-btn-soft {
    background: var(--bg-input);
    border-color: transparent;
    color: var(--text-2);
    font-weight: 500;
}
.header-btn.header-btn-soft:hover {
    background: var(--accent-soft);
    color: var(--accent);
}

.api-status {
    background: var(--green-bg);
    color: var(--green);
    padding: 7px 12px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.api-status::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ===== 主内容 ===== */
.main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 24px 0;
}

/* ===== 卡片 ===== */
.card {
    background: var(--bg-card);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-card);
    padding: 28px 24px;
    width: 100%;
    border: 1px solid var(--border);
    transition: box-shadow var(--t);
}
.card:hover { box-shadow: var(--shadow-float); }

.card-header {
    margin-bottom: 24px;
}
.card-header h2 {
    font-size: 17px;
    font-weight: 600;
    letter-spacing: -0.2px;
    color: var(--text-1);
}

/* ===== 消息 ===== */
.message {
    padding: 11px 16px;
    margin-bottom: 20px;
    border-radius: var(--r-md);
    text-align: center;
    font-size: 13px;
    font-weight: 500;
    animation: slideDown 0.25s ease;
    border: 1px solid transparent;
}
.message.success { background: var(--green-bg); color: var(--green); border-color: rgba(16,185,129,0.15); }
.message.error { background: var(--red-bg); color: var(--red); border-color: rgba(239,68,68,0.15); }
.message.warning { background: var(--orange-bg); color: var(--orange); border-color: rgba(245,158,11,0.15); }
@keyframes slideDown { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }

/* ===== 表单 ===== */
.form-group { margin-bottom: 18px; }
.form-label {
    display: block;
    margin-bottom: 7px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-2);
}

input[type="text"],
input[type="password"],
input[type="number"] {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    font-size: 15px;
    background: var(--bg-input);
    color: var(--text-1);
    transition: var(--t);
    font-family: inherit;
    -webkit-appearance: none;
}
input[type="text"]:focus,
input[type="password"]:focus,
input[type="number"]:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--bg-card);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
input::placeholder { color: var(--text-3); }

/* 密码框 */
.input-wrapper { position: relative; width: 100%; }
.input-wrapper input { padding-right: 44px; }
.toggle-password {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    border: none;
    border-radius: var(--r-sm);
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: var(--t);
    color: var(--text-3);
}
.toggle-password:hover { color: var(--accent); }
.eye-icon { display: block; }

/* ===== 主表单紧凑化（仅限首页步数表单） ===== */
#step-form .form-group { margin-bottom: 11px; }
/* 密码组（含勾选行）下方收紧，让步数框上靠 */
#step-form .form-group.has-remember { margin-bottom: 4px; }
#step-form .form-label { margin-bottom: 5px; }
#step-form input[type="text"],
#step-form input[type="password"],
#step-form input[type="number"] { padding-top: 10px; padding-bottom: 10px; }
/* 输入框小幅收窄并居中 */
#step-form .input-wrapper,
#step-form > .form-group > input[type="text"],
#step-form > .form-group > input[type="number"] {
    display: block;
    max-width: calc(100% - 24px);
    margin-left: auto;
    margin-right: auto;
}
#step-form .step-slider-container { margin-top: 6px; }

/* 记住账号（密码框下方，右对齐，自定义勾选样式） */
#step-form .remember-row {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    margin-top: 6px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-3);
    user-select: none;
}
#step-form .remember-check {
    position: relative;
    display: inline-flex;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}
#step-form .remember-check input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    cursor: pointer;
    z-index: 2;
}
#step-form .remember-box {
    display: block;
    width: 16px;
    height: 16px;
    border: 1.5px solid var(--border);
    border-radius: 4px;
    background: var(--bg-input);
    transition: var(--t);
    position: relative;
}
#step-form .remember-row:hover .remember-box {
    border-color: var(--accent);
}
#step-form .remember-check input:checked + .remember-box {
    background: var(--accent);
    border-color: var(--accent);
}
#step-form .remember-check input:checked + .remember-box::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 1px;
    width: 4px;
    height: 9px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
#step-form .remember-text {
    font-weight: 500;
    line-height: 1;
}

/* ===== 滑块 ===== */
.step-slider-container {
    position: relative;
    padding: 0;
    user-select: none;
    touch-action: none;
    margin-top: 10px;
}
#step-slider { display: none; }

/* 步数信息行 - 显示在进度条上方 */
.step-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 13px;
}
.step-info-level {
    font-weight: 600;
    color: var(--text-1);
    transition: color var(--t);
}
.step-info-km {
    color: var(--text-3);
    font-size: 12px;
}

.custom-slider-track {
    position: relative;
    background: var(--bg-input);
    height: 6px;
    border-radius: 100px;
    cursor: pointer;
}
.custom-slider-range {
    position: absolute;
    height: 100%;
    background: var(--accent);
    border-radius: 100px;
    left: 0;
    transition: background 0.3s ease;
}
/* 步数等级颜色 */
.custom-slider-range.level-light { background: #10b981; }
.custom-slider-range.level-moderate { background: #3b82f6; }
.custom-slider-range.level-active { background: #f59e0b; }
.custom-slider-range.level-intense { background: #ef4444; }

.custom-slider-thumb {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--bg-card);
    border: 2px solid var(--accent);
    border-radius: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    cursor: grab;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    z-index: 2;
    transition: box-shadow var(--t), border-color 0.3s ease;
}
.custom-slider-thumb:active {
    cursor: grabbing;
    box-shadow: 0 0 0 6px var(--accent-glow);
}
.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-3);
    margin-top: 8px;
    font-weight: 400;
}

/* 快捷步数 */
.quick-steps {
    display: flex;
    gap: 6px;
    margin-top: 14px;
}
.quick-step-btn {
    flex: 1;
    min-width: 0;
    padding: 9px 4px;
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    background: var(--bg-card);
    color: var(--text-2);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--t);
    font-family: inherit;
}
.quick-step-btn:hover { border-color: var(--accent); color: var(--accent); }
.quick-step-btn.active {
    background: var(--accent);
    color: var(--text-white);
    border-color: var(--accent);
}

/* ===== 主按钮 ===== */
.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    padding: 13px;
    background: var(--accent);
    color: var(--text-white);
    border: none;
    border-radius: var(--r-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--t);
    margin-top: 22px;
    font-family: inherit;
}
.btn:hover { background: var(--accent-deep); }
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-icon { font-size: 16px; }

/* ===== 底部 ===== */
.footer {
    text-align: center;
    padding: 16px 0 24px;
    margin-top: auto;
}
.copyright { font-size: 12px; color: var(--text-3); font-weight: 400; }
.powered { font-size: 11px; color: var(--text-3); margin-top: 2px; opacity: 0.7; }

/* ===== 弹窗 ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    inset: 0;
    background: var(--bg-overlay);
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.2s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 16px;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-content {
    background: var(--bg-card);
    border-radius: var(--r-xl);
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-modal);
    animation: modalIn 0.3s cubic-bezier(0.32, 0.72, 0, 1);
    overflow: hidden;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.95) translateY(12px); } to { opacity: 1; transform: scale(1) translateY(0); } }

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.modal-header h2 { font-size: 16px; font-weight: 600; }

.close-btn {
    background: var(--bg-input);
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    color: var(--text-2);
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: var(--t);
    line-height: 1;
}
.close-btn:hover { background: var(--red-bg); color: var(--red); }

.modal-body {
    padding: 20px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* ===== 帮助标签 ===== */
.help-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    background: var(--bg-input);
    padding: 3px;
    border-radius: var(--r-md);
}
.help-tab {
    flex: 1;
    border: none;
    border-radius: var(--r-sm);
    padding: 8px 4px;
    background: transparent;
    color: var(--text-2);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--t);
    font-family: inherit;
}
.help-tab:hover { color: var(--text-1); }
.help-tab.active {
    background: var(--bg-card);
    color: var(--text-1);
    box-shadow: 0 1px 2px rgba(0,0,0,0.06);
}

.help-panel { display: none; }
.help-panel.active { display: block; animation: fadeIn 0.25s ease; }

/* 教程步骤 */
.guide-step {
    display: flex;
    gap: 12px;
    padding: 12px;
    border-radius: var(--r-md);
    background: var(--bg-input);
    margin-bottom: 6px;
    transition: var(--t);
}
.guide-step:hover { background: var(--bg-hover); }
.guide-num {
    width: 24px;
    height: 24px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--accent);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
}
.guide-step b { display: block; font-size: 14px; margin-bottom: 2px; color: var(--text-1); font-weight: 600; }
.guide-step span { font-size: 13px; line-height: 1.5; color: var(--text-2); }
.guide-step a { color: var(--accent); text-decoration: none; font-weight: 500; }
.guide-step a:hover { text-decoration: underline; }

/* 自动托管卡片 */
.auto-highlight-card {
    margin-top: 12px;
    padding: 16px;
    border-radius: var(--r-lg);
    background: var(--accent);
    color: var(--text-white);
}
.auto-highlight-kicker {
    font-size: 11px;
    font-weight: 600;
    opacity: 0.8;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.auto-highlight-title { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.auto-highlight-desc { font-size: 13px; line-height: 1.6; opacity: 0.85; }
.auto-highlight-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }
.auto-highlight-tags span {
    padding: 3px 8px;
    border-radius: 100px;
    background: rgba(255,255,255,0.18);
    font-size: 11px;
    font-weight: 500;
}

/* FAQ */
.faq-container { margin-top: 0; }
.faq-item {
    margin-bottom: 6px;
    border-radius: var(--r-md);
    overflow: hidden;
    background: var(--bg-input);
    border: 1px solid var(--border);
    transition: var(--t);
}
.faq-item:hover { border-color: var(--border-2); }
.faq-question {
    background: transparent;
    padding: 13px 16px;
    color: var(--text-1);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--t);
    user-select: none;
}
.faq-question::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    flex: 0 0 auto;
    margin-right: 10px;
}
.faq-question:hover { color: var(--accent); }
.faq-arrow { color: var(--text-3); font-size: 10px; transition: transform var(--t); margin-left: 8px; }
.faq-answer {
    padding: 0 16px 13px 31px;
    background: transparent;
    line-height: 1.6;
    display: none;
}
.faq-answer p { margin: 5px 0; color: var(--text-2); font-size: 13px; }

/* 联系客服 */
.contact-card {
    background: var(--bg-input);
    border-radius: var(--r-lg);
    padding: 20px;
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.7;
    border: 1px solid var(--border);
    text-align: center;
}
.contact-card a {
    display: inline-block;
    margin-top: 12px;
    color: var(--text-white);
    background: var(--accent);
    padding: 10px 24px;
    border-radius: 100px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--t);
}
.contact-card a:hover { background: var(--accent-deep); }

/* ===== 加载遮罩 ===== */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-blur);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    animation: fadeIn 0.2s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.loading-content {
    background: var(--bg-card);
    padding: 32px 36px;
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-modal);
    text-align: center;
    animation: modalIn 0.3s cubic-bezier(0.32, 0.72, 0, 1);
    border: 1px solid var(--border);
}
.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--bg-input);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.65s linear infinite;
    margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { font-size: 15px; font-weight: 600; color: var(--text-1); margin-bottom: 4px; }
.loading-subtext { font-size: 13px; color: var(--text-3); }
.loading-countdown {
    display: none;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    margin-top: 12px;
    font-variant-numeric: tabular-nums;
}
.loading-cancel-btn {
    display: inline-block;
    margin-top: 16px;
    padding: 8px 20px;
    border: 1px solid var(--border-2);
    border-radius: 100px;
    background: transparent;
    color: var(--text-2);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--t);
    font-family: inherit;
}
.loading-cancel-btn:hover { color: var(--red); border-color: var(--red); }

/* ===== 结果卡片 ===== */
.result-card {
    position: fixed;
    inset: 0;
    background: var(--bg-blur);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    animation: fadeIn 0.2s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 16px;
}
.result-content {
    background: var(--bg-card);
    padding: 32px 28px 24px;
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-modal);
    text-align: center;
    animation: modalIn 0.3s cubic-bezier(0.32, 0.72, 0, 1);
    max-width: 320px;
    width: 100%;
    position: relative;
    border: 1px solid var(--border);
}
.result-x-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 50%;
    background: var(--bg-input);
    color: var(--text-3);
    font-size: 14px;
    cursor: pointer;
    transition: var(--t);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    line-height: 1;
}
.result-x-close:hover { background: var(--red-bg); color: var(--red); }

.result-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto 16px;
    font-weight: 700;
}
.result-icon.success { background: var(--green-bg); color: var(--green); }
.result-icon.error { background: var(--red-bg); color: var(--red); }

.result-title { font-size: 18px; font-weight: 600; color: var(--text-1); margin-bottom: 6px; }
.result-message { font-size: 14px; color: var(--text-2); margin-bottom: 18px; line-height: 1.5; }

.result-details {
    background: var(--bg-input);
    border-radius: var(--r-md);
    padding: 14px;
    margin-bottom: 18px;
    text-align: left;
}
.result-detail-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 13px;
}
.result-detail-item:last-child { margin-bottom: 0; }
.result-detail-label { color: var(--text-3); }
.result-detail-value { color: var(--text-1); font-weight: 500; }

.result-close-btn {
    width: 100%;
    padding: 12px;
    background: var(--accent);
    color: var(--text-white);
    border: none;
    border-radius: var(--r-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--t);
    font-family: inherit;
}
.result-close-btn:hover { background: var(--accent-deep); }

/* ===== 公告 ===== */
.announcement-modal-content { max-width: 420px; display: flex; flex-direction: column; }
.announcement-modal-content .modal-body { flex: 1; min-height: 0; }
.announcement-modal-header h2 { display: flex; align-items: center; gap: 7px; }
.announcement-modal-header h2 svg { width: 17px; height: 17px; color: var(--accent); }
.announcement-count {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 18px; height: 18px; padding: 0 5px;
    font-size: 11px; font-weight: 700; color: #fff;
    background: var(--accent); border-radius: 999px;
}

.announcement-list {
    max-height: 55vh;
    overflow-y: auto;
    padding-right: 4px;
    -webkit-overflow-scrolling: touch;
}
.announcement-list::-webkit-scrollbar { width: 4px; }
.announcement-list::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 100px; }

.announcement-item {
    position: relative;
    padding: 14px 14px 12px;
    margin-bottom: 8px;
    border-radius: var(--r-md);
    background: var(--bg-input);
    border-left: 3px solid var(--blue);
    transition: background var(--t), border-color var(--t);
    opacity: 0;
    animation: announcementItemIn 0.32s ease both;
}
.announcement-item:last-child { margin-bottom: 0; }
.announcement-item:hover { background: var(--accent-soft); }
.announcement-item.is-top { box-shadow: inset 0 0 0 1px var(--accent-glow); }
.announcement-item.is-top::after {
    content: ''; position: absolute; inset: 0; border-radius: var(--r-md);
    pointer-events: none;
    background: linear-gradient(135deg, var(--accent-glow), transparent 45%);
}
.announcement-item.type-info { border-left-color: var(--blue); }
.announcement-item.type-success { border-left-color: var(--green); }
.announcement-item.type-warning { border-left-color: var(--orange); }
.announcement-item.type-danger { border-left-color: var(--red); }

@keyframes announcementItemIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.announcement-item-summary { cursor: default; }
.announcement-item[data-collapsible="true"] .announcement-item-summary { cursor: pointer; }

.announcement-item-head {
    display: flex; align-items: center; gap: 6px; margin-bottom: 7px;
}
.announcement-type-tag {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 2px 8px; font-size: 11px; font-weight: 600;
    border-radius: 999px; line-height: 1.6;
}
.announcement-type-tag svg { width: 12px; height: 12px; flex-shrink: 0; }
.announcement-item.type-info .announcement-type-tag { color: var(--blue); background: var(--blue-bg); }
.announcement-item.type-success .announcement-type-tag { color: var(--green); background: var(--green-bg); }
.announcement-item.type-warning .announcement-type-tag { color: var(--orange); background: var(--orange-bg); }
.announcement-item.type-danger .announcement-type-tag { color: var(--red); background: var(--red-bg); }
.announcement-pin {
    display: inline-flex; align-items: center;
    padding: 2px 7px; font-size: 11px; font-weight: 600;
    color: var(--accent-deep); background: var(--accent-soft);
    border-radius: 999px; line-height: 1.6;
}
.announcement-toggle {
    margin-left: auto; display: inline-flex; align-items: center;
    color: var(--text-3); padding: 2px; border-radius: var(--r-sm);
    transition: var(--t);
}
.announcement-toggle svg { width: 15px; height: 15px; transition: transform var(--t); }
.announcement-item[data-collapsed="true"] .announcement-toggle svg { transform: rotate(-90deg); }

.announcement-item-title { font-size: 14.5px; font-weight: 600; margin-bottom: 5px; color: var(--text-1); }
.announcement-item-detail { overflow: hidden; }
.announcement-item[data-collapsed="true"] .announcement-item-detail { display: none; }
.announcement-item-content { font-size: 13px; line-height: 1.65; color: var(--text-2); white-space: pre-wrap; word-break: break-word; }
.announcement-item-time { margin-top: 8px; font-size: 11px; color: var(--text-2); opacity: 0.65; }

.announcement-modal-footer {
    padding: 14px 20px; border-top: 1px solid var(--border);
    display: flex; justify-content: flex-end; flex-shrink: 0;
}
.btn-announcement-read {
    padding: 9px 24px; font-size: 14px; font-weight: 600;
    color: #fff; background: var(--accent); border: none;
    border-radius: var(--r-md); cursor: pointer; transition: var(--t);
}
.btn-announcement-read:hover { background: var(--accent-deep); }

/* ===== 其他 ===== */
select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    font-size: 15px;
    background: var(--bg-input);
    color: var(--text-1);
    transition: var(--t);
    cursor: pointer;
    font-family: inherit;
    -webkit-appearance: none;
}
select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }

.small-link {
    display: inline-block;
    padding: 4px 12px;
    background: var(--accent);
    color: var(--text-white);
    text-decoration: none;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    transition: var(--t);
}
.small-link:hover { background: var(--accent-deep); }

/* ===== 响应式 ===== */
@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .header { padding: 24px 0 4px; }
    .logo { font-size: 20px; }
    .card { padding: 24px 20px; }
    .help-tabs { flex-direction: row; }
}

::selection { background: var(--accent-soft); color: var(--accent); }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 100px; }