/* ===== Hero ===== */
.dl-hero {
    padding: 140px 0 80px;
    background: radial-gradient(circle at top right, var(--primary-light), var(--bg-body) 60%);
    position: relative;
    overflow: hidden;
    text-align: center;
}
.dl-hero::before {
    content: '';
    position: absolute;
    top: -80px; right: -80px;
    width: 360px; height: 360px;
    background: var(--primary-color);
    opacity: 0.05;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(249,115,22,0.08) 0%, transparent 70%);
}
.dl-hero-inner { position: relative; z-index: 2; }
.dl-hero .section-tag { margin-bottom: 20px; }
.dl-hero h1 { font-size: 52px; letter-spacing: -1.2px; margin-bottom: 20px; line-height: 1.2; }
.dl-hero p { font-size: 18px; color: var(--text-gray); max-width: 580px; margin: 0 auto 40px; }
.dl-detect-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    padding: 10px 24px;
    font-size: 14px;
    color: var(--text-gray);
    box-shadow: var(--shadow-sm);
    max-width: 100%;
}
.dl-detect-badge strong { color: var(--primary-color); }
.dl-detect-text { display: inline; }
.dl-detect-hint { white-space: nowrap; }

@media (max-width: 480px) {
    .dl-detect-badge {
        border-radius: 16px;
        padding: 10px 16px;
        font-size: 13px;
        text-align: left;
        align-items: flex-start;
    }
    /* 分两行：第一行显示系统名，第二行显示提示语 */
    .dl-detect-text { display: flex; flex-direction: column; gap: 2px; }
    .dl-detect-hint { white-space: normal; font-size: 12px; }
}

/* ===== Platform Tabs ===== */
.dl-tabs-section {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 80px;
    z-index: 100;
}
.dl-tabs {
    display: flex;
    overflow-x: auto;
    scrollbar-width: none;
}
.dl-tabs::-webkit-scrollbar { display: none; }
.dl-tab {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 28px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-gray);
    cursor: pointer;
    border: none;
    background: none;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}
.dl-tab i { font-size: 18px; }
.dl-tab:hover { color: var(--text-dark); background: var(--bg-gray); }
.dl-tab.active { color: var(--primary-color); border-bottom-color: var(--primary-color); background: var(--primary-light); }

/* ===== Content Wrapper ===== */
.dl-content {
    padding: 56px 0 40px;
    background: var(--bg-body);
    min-height: 500px;
}
.dl-panel { display: none; }
.dl-panel.active { display: block; }
.dl-panel > * + * { margin-top: 24px; }

/* ===== Panel Header ===== */
.dl-panel-header { display: flex; align-items: center; gap: 20px; }
.dl-panel-icon {
    width: 72px; height: 72px;
    background: var(--bg-white);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: center;
    font-size: 36px;
    color: var(--text-dark);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}
.dl-panel-title h2 { font-size: 28px; margin-bottom: 6px; }
.dl-panel-title p  { font-size: 15px; color: var(--text-gray); }

/* ===== Badges ===== */
.app-entry__badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.badge {
    display: inline-flex; align-items: center; gap: 5px;
    font-size: 12px; font-weight: 700;
    padding: 4px 10px;
    border-radius: 6px;
}
.badge--star    { background: #fff8e1; color: #b45309; }
.badge--active  { background: #e0f2fe; color: #0369a1; }
.badge--beginner{ background: #f0fdf4; color: #15803d; }
.badge--archived{ background: var(--bg-gray); color: var(--text-gray); }

/* ===== Featured App Entry ===== */
.app-entry--featured {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.app-entry--featured:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}
.app-entry__body {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}
.app-entry__info { flex: 1; }
.app-entry__name { font-size: 22px; font-weight: 800; color: var(--text-dark); margin-bottom: 10px; }
.app-ver {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-color);
    background: var(--primary-light);
    padding: 2px 8px;
    border-radius: 6px;
    vertical-align: middle;
    margin-left: 6px;
    letter-spacing: 0;
}
.app-ver:empty { display: none; }
.app-entry__desc { font-size: 14px; color: var(--text-body); line-height: 1.7; margin-bottom: 16px; }
.app-entry__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.app-entry__tags .tag {
    display: inline-flex; align-items: center; gap: 5px;
    background: var(--primary-light);
    color: var(--primary-color);
    font-size: 12px; font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
}
.app-entry__downloads {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex-shrink: 0;
    min-width: 210px;
}

/* ===== Download Buttons ===== */
.dl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 18px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
.dl-btn__label { display: flex; flex-direction: column; text-align: left; }
.dl-btn__name  { font-size: 14px; font-weight: 700; }
.dl-btn__sub   { font-size: 11px; opacity: 0.75; font-weight: 400; margin-top: 1px; }

.dl-btn--primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: var(--shadow-orange);
}
.dl-btn--primary:hover { filter: brightness(1.08); transform: translateY(-1px); }

.dl-btn--outline {
    background: var(--bg-white);
    color: var(--text-dark);
    border: 1px solid var(--border-color);
}
.dl-btn--outline:hover { border-color: var(--primary-color); color: var(--primary-color); transform: translateY(-1px); }

.dl-btn--ghost {
    background: var(--bg-gray);
    color: var(--text-body);
    border: 1px solid var(--border-color);
}
.dl-btn--ghost:hover { background: var(--primary-light); color: var(--primary-color); border-color: var(--primary-color); }

.dl-btn--archived {
    background: var(--bg-gray);
    color: var(--text-gray);
    border: 1px solid var(--border-color);
    font-size: 13px;
}
.dl-btn--archived:hover { color: var(--text-dark); border-color: var(--text-gray); }

/* ===== Mini App Row ===== */
.app-mini-row {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
}
.app-mini__name { font-size: 17px; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.app-mini__desc { font-size: 14px; color: var(--text-gray); margin-bottom: 16px; line-height: 1.6; }
.app-mini__btns { display: flex; flex-wrap: wrap; gap: 10px; }

/* ===== Archived Block ===== */
.archived-block {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.archived-block summary {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 18px 24px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-gray);
    cursor: pointer;
    list-style: none;
    transition: var(--transition);
}
.archived-block summary::-webkit-details-marker { display: none; }
.archived-block summary:hover { color: var(--text-dark); background: var(--bg-gray); }
.archived-chevron { margin-left: auto; font-size: 12px; transition: transform 0.25s; }
.archived-block[open] .archived-chevron { transform: rotate(180deg); }
.archived-block__body {
    border-top: 1px solid var(--border-color);
    padding: 16px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.archived-item {
    display: flex;
    align-items: center;
    gap: 20px;
    justify-content: space-between;
    flex-wrap: wrap;
}
.archived-item__info { flex: 1; }
.archived-item__name {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}
.archived-item__desc { font-size: 13px; color: var(--text-gray); line-height: 1.6; }

/* ===== Notice Box ===== */
.notice-box {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 20px;
    border-radius: 10px;
    font-size: 14px;
    line-height: 1.7;
}
.notice-box--info { background: #eff6ff; border: 1px solid #bfdbfe; color: #1e40af; }
.notice-box--info i { color: #2563eb; flex-shrink: 0; margin-top: 2px; }
.notice-box--warn { background: #fffbeb; border: 1px solid #fde68a; color: #92400e; }
.notice-box--warn i { color: #d97706; flex-shrink: 0; margin-top: 2px; }
.notice-box code {
    background: rgba(0,0,0,0.06);
    padding: 1px 6px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 13px;
}

/* ===== iOS Grid ===== */
.ios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.ios-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}
.ios-card:hover { border-color: var(--primary-color); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.ios-card__icon {
    width: 52px; height: 52px;
    background: var(--primary-light);
    color: var(--primary-color);
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    margin-bottom: 14px;
}
.ios-card__name { font-size: 18px; font-weight: 800; color: var(--text-dark); margin-bottom: 8px; }
.ios-card__desc { font-size: 13px; color: var(--text-body); line-height: 1.7; flex: 1; }
.ios-card__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
    gap: 10px;
}
.ios-price { font-size: 13px; font-weight: 700; color: var(--primary-color); white-space: nowrap; }

/* ===== Apple ID Tutorial ===== */
.tutorial-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 32px;
}
.tutorial-card__head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 28px;
}
.tutorial-card__head i { font-size: 28px; color: var(--text-dark); }
.tutorial-card__head h3 { font-size: 18px; }
.tutorial-steps { display: flex; flex-direction: column; gap: 20px; }
.tutorial-step { display: flex; gap: 16px; align-items: flex-start; }
.tutorial-step__num {
    width: 32px; height: 32px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 800;
    flex-shrink: 0;
}
.tutorial-step h4 { font-size: 15px; margin-bottom: 4px; }
.tutorial-step p  { font-size: 13px; color: var(--text-body); line-height: 1.6; }
.tutorial-step code {
    background: var(--bg-gray);
    padding: 1px 6px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 13px;
}

/* ===== CLI Panel ===== */
.cli-panel {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 28px 32px;
}
.cli-panel__title {
    display: flex; align-items: center; gap: 10px;
    font-size: 16px; font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}
.cli-panel__title i { color: var(--primary-color); }
.cli-panel__desc { font-size: 14px; color: var(--text-gray); line-height: 1.6; margin-bottom: 20px; }
.cli-buttons { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }

/* Terminal */
.terminal {
    background: #0f1117;
    border-radius: 12px;
    overflow: hidden;
    font-family: 'Menlo', 'Monaco', 'Consolas', monospace;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}
.terminal__bar {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
    background: #1c1e26;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    min-height: 38px;
}
/* 圆点绝对定位，标题居中 */
.terminal__dots {
    position: absolute;
    left: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.terminal__dot {
    width: 12px; height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}
.terminal__dot--r { background: #ff5f57; }
.terminal__dot--y { background: #febc2e; }
.terminal__dot--g { background: #28c840; }
.terminal__title {
    flex: 1;
    min-width: 0;
    font-size: 12px;
    color: rgba(255,255,255,0.4);
    text-align: center;
    padding: 0 56px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.terminal__body {
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    overflow-x: auto;
    width: 100%;
    box-sizing: border-box;
}
.tl { font-size: 13px; line-height: 1.6; white-space: pre; word-break: normal; }
.tl--gap { margin-top: 10px; }
.tl--ok  { margin-top: 6px; }
.t-prompt { color: #22c55e; user-select: none; margin-right: 8px; }
.t-comment{ color: #6b7280; }
.t-cmd    { color: #60a5fa; }
.t-arg    { color: #e2e8f0; }
.t-out    { color: #22c55e; font-style: italic; }

/* ===== Quick Start Guide ===== */
.dl-guide {
    background: var(--bg-white);
    border-top: 1px solid var(--border-color);
    padding: 80px 0;
}
.dl-guide-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 56px;
    position: relative;
}
.dl-guide-steps::before {
    content: '';
    position: absolute;
    top: 36px;
    left: calc(16.66% + 24px);
    right: calc(16.66% + 24px);
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    opacity: 0.35;
}
.dl-step { text-align: center; position: relative; }
.dl-step-num {
    width: 72px; height: 72px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; font-weight: 800;
    margin: 0 auto 24px;
    box-shadow: var(--shadow-orange);
    position: relative; z-index: 1;
}
.dl-step h3 { font-size: 17px; margin-bottom: 12px; }
.dl-step p  { font-size: 14px; color: var(--text-gray); line-height: 1.7; }

/* ===== FAQ ===== */
.dl-faq {
    background: var(--bg-gray);
    padding: 80px 0;
}
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 48px;
}
.faq-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}
.faq-card:hover { border-color: var(--primary-color); }
.faq-card summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    list-style: none;
    gap: 16px;
}
.faq-card summary::-webkit-details-marker { display: none; }
.faq-card__icon { font-size: 12px; color: var(--text-gray); flex-shrink: 0; transition: transform 0.25s; }
.faq-card[open] .faq-card__icon { transform: rotate(180deg); }
.faq-card__body {
    padding: 0 24px 18px;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
}
.faq-card__body p { font-size: 14px; color: var(--text-body); line-height: 1.8; margin-bottom: 6px; }
.faq-card__body code {
    background: var(--bg-gray);
    padding: 1px 6px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 13px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .app-entry__body { flex-direction: column; }
    .app-entry__downloads { flex-direction: row; flex-wrap: wrap; min-width: 0; }
    .ios-grid { grid-template-columns: repeat(2, 1fr); }
    .faq-grid { grid-template-columns: 1fr; }
    .dl-guide-steps { grid-template-columns: repeat(2, 1fr); }
    .dl-guide-steps::before { display: none; }
}

@media (max-width: 768px) {
    /* Hero */
    .dl-hero { padding: 110px 0 56px; }
    .dl-hero h1 { font-size: 32px; letter-spacing: -0.5px; }
    .dl-hero p { font-size: 15px; }

    /* Hero */
    .dl-hero { padding: 84px 0 48px; }

    /* Tabs — sticky top 跟随 navbar 64px 高度 */
    .dl-tabs-section { top: 64px; }
    .dl-tab { padding: 12px 14px; font-size: 13px; gap: 6px; }
    .dl-tab i { font-size: 15px; }

    /* Panel header */
    .dl-panel-header { flex-direction: column; align-items: flex-start; gap: 12px; }
    .dl-panel-icon { width: 56px; height: 56px; font-size: 28px; border-radius: 14px; }
    .dl-panel-title h2 { font-size: 22px; }

    /* App entry */
    .app-entry--featured { padding: 20px; }
    .app-entry__name { font-size: 18px; }
    .app-entry__downloads { flex-direction: column; }
    .dl-btn { width: 100%; }

    /* iOS grid */
    .ios-grid { grid-template-columns: 1fr; }
    .ios-card { padding: 20px; }
    .ios-card__bottom { flex-direction: column; align-items: flex-start; gap: 10px; }

    /* Guide steps */
    .dl-guide-steps { grid-template-columns: 1fr; gap: 24px; }

    /* Archived / CLI */
    .archived-item { flex-direction: column; align-items: flex-start; gap: 10px; }
    .archived-item__right { width: 100%; }
    .cli-buttons { flex-direction: column; gap: 8px; }
    .cli-buttons .dl-btn { width: 100%; }

    /* Tutorial card */
    .tutorial-card { padding: 20px; }
    .tutorial-card__head { gap: 12px; }
    .tutorial-step { gap: 12px; }
}

@media (max-width: 480px) {
    .dl-hero h1 { font-size: 26px; }
    .dl-tab { padding: 12px 12px; font-size: 12px; gap: 4px; }
    .dl-tab i { font-size: 14px; }
    .dl-content { padding: 32px 0 24px; }
    .dl-panel-title h2 { font-size: 20px; }
}