/* ============================================================
   首页 index.html 专属样式
   一屏 100vh，不滚动；科技动态背景 + 毛玻璃导航 + 搜索Hero
   ============================================================ */

/* ========== 基础重置 ========== */
body.home-page {
    margin: 0;
    padding: 0;
    width: 100%;
    min-height: 100vh;
    height: 100vh;          /* 强制一屏 */
    max-height: 100vh;
    overflow: hidden;       /* 禁止整页滚动，内容严格一屏内 */
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
                 "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
    color: #ffffff;
    background: #0b0820;
    position: relative;
    -webkit-font-smoothing: antialiased;
}
*, *::before, *::after { box-sizing: border-box; }
a { color: inherit; text-decoration: none; }

/* ============================================================
   1. 科技动态背景（多层叠放）
   ============================================================ */
.tech-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

/* 1-1 底层渐变：深紫 → 蓝紫 → 玫粉 */
.tech-bg-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(120% 80% at 15% 10%,  #1e1b4b 0%, #11102b 55%, transparent 100%),
        radial-gradient(90% 65% at 85% 90%,  #701a75 0%, #3b0764 50%, transparent 100%),
        linear-gradient(135deg,
            #0c0823 0%,
            #17133d 28%,
            #1a1145 50%,
            #26125a 72%,
            #3b0a5a 100%);
    animation: bgShift 20s ease-in-out infinite alternate;
}
@keyframes bgShift {
    0%   { filter: hue-rotate(0deg) brightness(1); }
    50%  { filter: hue-rotate(12deg) brightness(1.05); }
    100% { filter: hue-rotate(-6deg) brightness(0.98); }
}

/* 1-2 彩色光晕球（浮动） */
.tech-bg-orbs {
    position: absolute;
    inset: 0;
}
.tech-bg-orbs .orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.55;
    mix-blend-mode: screen;
    will-change: transform;
}
.orb-1 {
    width: 520px; height: 520px;
    left: -160px; top: -160px;
    background: radial-gradient(circle, #6366f1 0%, #7c3aed 45%, transparent 70%);
    animation: floatA 22s ease-in-out infinite;
}
.orb-2 {
    width: 620px; height: 620px;
    right: -180px; top: -200px;
    background: radial-gradient(circle, #ec4899 0%, #a855f7 50%, transparent 72%);
    animation: floatB 28s ease-in-out infinite;
}
.orb-3 {
    width: 480px; height: 480px;
    left: -80px; bottom: -180px;
    background: radial-gradient(circle, #3b82f6 0%, #6366f1 45%, transparent 72%);
    animation: floatC 26s ease-in-out infinite;
}
.orb-4 {
    width: 540px; height: 540px;
    right: -120px; bottom: -200px;
    background: radial-gradient(circle, #06b6d4 0%, #6366f1 40%, transparent 70%);
    animation: floatD 30s ease-in-out infinite;
}
@keyframes floatA {
    0%,100% { transform: translate(0,0) scale(1); }
    50%     { transform: translate(60px,80px) scale(1.08); }
}
@keyframes floatB {
    0%,100% { transform: translate(0,0) scale(1); }
    50%     { transform: translate(-70px,60px) scale(1.06); }
}
@keyframes floatC {
    0%,100% { transform: translate(0,0) scale(1); }
    50%     { transform: translate(90px,-70px) scale(1.1); }
}
@keyframes floatD {
    0%,100% { transform: translate(0,0) scale(1); }
    50%     { transform: translate(-80px,-80px) scale(1.05); }
}

/* 1-3 网络节点 SVG（整体缓慢位移 + 呼吸透明度） */
.tech-bg-network {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.85;
    animation: netMove 40s ease-in-out infinite alternate;
}
@keyframes netMove {
    0%   { transform: translate3d(-1.2%, -0.6%, 0) scale(1.02); opacity: .78; }
    50%  { transform: translate3d(0.8%,   1.0%,  0) scale(1.06); opacity: .92; }
    100% { transform: translate3d(1.4%,  -0.4%,  0) scale(1.04); opacity: .82; }
}

/* 1-4 浮动粒子小圆点 */
.tech-bg-particles {
    position: absolute;
    inset: 0;
}
.tech-bg-particles .pt {
    position: absolute;
    border-radius: 50%;
    box-shadow: 0 0 8px 2px rgba(255, 255, 255, 0.28);
    animation-name: ptFloat;
    animation-iteration-count: infinite;
    animation-timing-function: ease-in-out;
    will-change: transform;
}
@keyframes ptFloat {
    0%,100% { transform: translate(0,0); opacity: 0.35; }
    50%     { transform: translate(-30px, -45px); opacity: 0.9; }
}

/* 1-5 顶部+底部暗角，突出主体 */
.tech-bg-vignette {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(6,4,22,0.55) 0%, rgba(6,4,22,0) 18%, rgba(6,4,22,0) 78%, rgba(6,4,22,0.7) 100%),
        radial-gradient(ellipse at 50% 50%, transparent 45%, rgba(4,2,18,0.45) 100%);
}

/* ============================================================
   2. 顶部导航栏（毛玻璃 + 透明渐变）
   ============================================================ */
.home-top {
    position: relative;
    z-index: 10;
    width: 100%;
    padding: 0 40px;
    height: 76px;
    display: flex;
    align-items: center;
    background: linear-gradient(180deg,
        rgba(10, 6, 32, 0.45) 0%,
        rgba(10, 6, 32, 0.18) 60%,
        rgba(10, 6, 32, 0) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.home-top-inner {
    width: 100%;
    max-width: 1520px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

/* 左侧品牌 Logo */
.home-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    cursor: pointer;
}
.home-logo {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 55%, #ec4899 100%);
    box-shadow:
        0 0 0 2px rgba(255,255,255,0.18),
        0 10px 24px rgba(99, 102, 241, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}
.home-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    display: block;
}
.home-logo-fallback {
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    color: #ffffff;
}
.home-logo.no-img .home-logo-fallback { display: flex; }
.home-logo.no-img img { display: none; }

.home-brand-name {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 1px;
    background: linear-gradient(90deg, #ffffff 0%, #c7d2fe 50%, #fbcfe8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 14px rgba(167, 139, 250, 0.25);
    white-space: nowrap;
}

/* 中间主导航 */
.home-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}
.home-nav-item {
    position: relative;
    padding: 9px 18px;
    border-radius: 999px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.82);
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
}
.home-nav-item:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
}
.home-nav-item.active {
    color: #ffffff;
    background: linear-gradient(135deg,
        rgba(99, 102, 241, 0.35) 0%,
        rgba(139, 92, 246, 0.28) 100%);
    box-shadow:
        inset 0 0 0 1px rgba(255,255,255,0.12),
        0 8px 20px rgba(99, 102, 241, 0.3);
}
/* 导航内图片图标（分类图标），与原 SVG 图标对齐 */
.home-nav-item img {
    width: 16px;
    height: 16px;
    display: inline-block;
    vertical-align: -3px;
    margin-right: 5px;
    object-fit: cover;
    border-radius: 4px;
}

/* 右侧：会员登录态（首页深色简洁风格） */
.home-user {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

/* ---- 未登录：注册 / 登录 ---- */
.home-user-guest {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.hu-btn {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    color: rgba(255, 255, 255, 0.82);
    text-decoration: none;
    transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(6px);
}
.hu-btn:hover {
    color: #ffffff;
    border-color: rgba(167, 139, 250, 0.5);
    background: rgba(167, 139, 250, 0.1);
    box-shadow: 0 6px 16px rgba(139, 92, 246, 0.25);
}
.hu-btn.hu-login {
    background: linear-gradient(135deg,
        rgba(99, 102, 241, 0.92) 0%,
        rgba(139, 92, 246, 0.92) 100%);
    border-color: transparent;
    color: #ffffff;
    font-weight: 600;
}
.hu-btn.hu-login:hover {
    filter: brightness(1.08);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

/* ---- 已登录：头像 + 昵称 + 等级 + 退出 ---- */
.home-user-logged {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 5px 8px 5px 5px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    transition: all 0.28s ease;
}
.home-user-logged:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(167, 139, 250, 0.3);
}
.hu-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    background: linear-gradient(135deg, #6366f1, #a78bfa);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.35), 0 4px 12px rgba(99, 102, 241, 0.3);
    flex-shrink: 0;
}
.hu-info {
    display: flex;
    flex-direction: column;
    line-height: 1.35;
    min-width: 0;
}
.hu-name {
    font-size: 14px;
    font-weight: 600;
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}
.hu-level {
    font-size: 11.5px;
    color: rgba(255, 255, 255, 0.5);
    white-space: nowrap;
}
.hu-level-vip {
    color: #fbbf24;
}
.hu-vip-tag {
    display: inline-flex;
    align-items: center;
    padding: 1px 7px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #1a1033;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    box-shadow: 0 2px 6px rgba(251, 191, 36, 0.4);
}
.hu-logout {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    transition: all 0.25s ease;
    flex-shrink: 0;
}
.hu-logout:hover {
    color: #f87171;
    background: rgba(248, 113, 113, 0.12);
}
/* VIP 会员头像金色光环 */
.home-user-vip .hu-avatar {
    box-shadow: 0 0 0 2px rgba(251, 191, 36, 0.5), 0 4px 14px rgba(251, 191, 36, 0.3);
}

/* ============================================================
   3. 主内容 Hero：搜索框居中
   ============================================================ */
.home-main {
    position: relative;
    z-index: 5;
    width: 100%;
    height: calc(100vh - 76px - 96px);   /* 100vh - 导航 - 底部 */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 24px;
}
.home-hero {
    width: 100%;
    max-width: 960px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* 滚动新闻（透明无边框版：标题与搜索框之间） */
.home-news {
    width: 100%;
    max-width: 760px;
    margin: 0 auto 10px;
    height: 34px;
    background: transparent;        /* 去背景色 */
    border: none;                   /* 去外边框 */
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    padding: 0 12px;
    overflow: hidden;
    box-shadow: none;
}
.home-news .news-item {
    padding: 0 6px;
    height: 34px;
    font-size: 13px;
}
.home-news .news-title {
    color: rgba(255, 255, 255, 0.92);
}
.home-news .news-date {
    color: rgba(255, 255, 255, 0.55);
}
.home-news .news-dot {
    background: linear-gradient(135deg, #fbbf24 0%, #f97316 100%);
    box-shadow: 0 0 8px rgba(249, 115, 22, 0.65);
}

/* 标题 */
.home-title {
    margin: 0 0 16px;
    font-size: 58px;
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: 1px;
    color: #ffffff;
    text-shadow: 0 6px 30px rgba(99, 102, 241, 0.35);
}
.text-gradient {
    background: linear-gradient(90deg,
        #818cf8 0%,
        #c084fc 35%,
        #f472b6 70%,
        #fb923c 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.home-subtitle {
    margin: 0 0 30px;
    font-size: 17px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.4px;
}

/* 搜索区域：搜索框 + 热门搜索 */
.home-search-row {
    width: 100%;
    max-width: 820px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;              /* 搜索框 ↔ 热搜 的间距拉大 */
}

/* 巨型搜索框 */
.home-search {
    position: relative;
    width: 100%;
    height: 62px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    padding: 0 10px 0 22px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.home-search:focus-within {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(167, 139, 250, 0.6);
    box-shadow:
        0 24px 70px rgba(99, 102, 241, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.18),
        0 0 0 4px rgba(139, 92, 246, 0.14);
}
.hs-icon {
    color: rgba(255, 255, 255, 0.55);
    flex-shrink: 0;
    display: flex;
}
.hs-input {
    flex: 1;
    height: 100%;
    background: transparent;
    border: none;
    outline: none;
    color: #ffffff;
    font-size: 17px;
    letter-spacing: 0.4px;
}
.hs-input::placeholder {
    color: rgba(255, 255, 255, 0.42);
}
.hs-clear {
    display: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.45);
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.2s ease;
}
.hs-clear:hover {
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.85);
}
.hs-sep {
    width: 1px;
    height: 28px;
    background: rgba(255, 255, 255, 0.12);
    flex-shrink: 0;
}
.hs-btn {
    height: 48px;
    padding: 0 24px;
    border-radius: 999px;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    color: #ffffff;
    background-color: #6366f1 !important;
    background-image: linear-gradient(135deg, #6366f1 0%, #8b5cf6 55%, #ec4899 100%) !important;
    box-shadow: 0 10px 26px rgba(99, 102, 241, 0.45);
    transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    flex-shrink: 0;
    white-space: nowrap;
}
.hs-btn:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
    box-shadow: 0 14px 32px rgba(139, 92, 246, 0.55);
}
.hs-btn:active { transform: translateY(0); }

/* 热门搜索：label 与搜索词同排 + wrap 换行 */
.home-hot {
    width: 100%;
    display: block;
}
.home-hot-list {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.home-hot-label {
    font-size: 13.5px;
    color: rgba(255, 255, 255, 0.68);
    white-space: nowrap;
}
.hh-item {
    display: inline-block;
    padding: 6px 14px;
    font-size: 13px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.22s ease;
    white-space: nowrap;
}
.hh-item:hover {
    color: #ffffff;
    background: rgba(167, 139, 250, 0.14);
    border-color: rgba(167, 139, 250, 0.35);
    transform: translateY(-1px);
}
.hh-item.hot-1 { color: #fca5a5; border-color: rgba(248,113,113,0.25); }
.hh-item.hot-2 { color: #fdba74; border-color: rgba(251,146,60,0.25); }
.hh-item.hot-3 { color: #fde047; border-color: rgba(250,204,21,0.22); }
.hh-item.hot-1:hover { background: rgba(248,113,113,0.12); border-color: rgba(248,113,113,0.55); }
.hh-item.hot-2:hover { background: rgba(251,146,60,0.12); border-color: rgba(251,146,60,0.55); }
.hh-item.hot-3:hover { background: rgba(250,204,21,0.1);  border-color: rgba(250,204,21,0.55); }

/* ============================================================
   4. 底部：版权 + 备案（透明文字）
   ============================================================ */
.home-footer {
    position: relative;
    z-index: 5;
    width: 100%;
    padding: 0 24px;
    height: 96px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(0deg,
        rgba(6, 4, 22, 0.65) 0%,
        rgba(6, 4, 22, 0.15) 65%,
        rgba(6, 4, 22, 0) 100%);
}
.home-footer-inner {
    width: 100%;
    max-width: 1520px;
    text-align: center;
}
.hf-row {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.8;
}
.hf-row.hf-row-1 { margin-bottom: 4px; }
.hf-link {
    color: rgba(255, 255, 255, 0.62);
    transition: color 0.2s ease;
    margin: 0 4px;
}
.hf-link:hover { color: #ffffff; }
.hf-dot {
    color: rgba(255, 255, 255, 0.28);
    font-style: normal;
}
.hf-beian {
    color: rgba(255, 255, 255, 0.55);
    transition: color 0.2s ease;
}
.hf-beian:hover { color: #ffffff; }

/* ============================================================
   5. 防止登录弹窗按钮「变白」强兜底（与 search.css / news-detail.css 一致）
   ============================================================ */
body.home-page .auth-dialog .auth-submit,
body .auth-dialog .auth-submit {
    width: 100% !important;
    height: 48px !important;
    border: none !important;
    border-radius: 12px !important;
    background-color: #6366f1 !important;
    background-image: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%) !important;
    color: #ffffff !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    line-height: 48px !important;
    cursor: pointer !important;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.32) !important;
    transition: all 0.25s ease !important;
}
body.home-page .auth-dialog .auth-submit:hover,
body .auth-dialog .auth-submit:hover {
    filter: brightness(1.08) !important;
    box-shadow: 0 8px 22px rgba(99, 102, 241, 0.45) !important;
}
/* 弹窗本身：在深色首页背景下，dialog 本身略深点更搭（不影响其它页） */
body.home-page .auth-dialog {
    background: rgba(255, 255, 255, 0.98) !important;
}

/* ============================================================
   6. 响应式适配
   ============================================================ */
@media (max-width: 1280px) {
    .home-top { padding: 0 24px; }
    .home-nav-item { padding: 8px 14px; font-size: 14px; }
    .home-brand-name { font-size: 20px; }
}

@media (max-width: 1080px) {
    .home-nav { display: none; }
    .home-title { font-size: 48px; }
    .home-subtitle { font-size: 15px; margin-bottom: 26px; }
    .home-news { margin-bottom: 30px; }
    .home-search { height: 60px; }
    .hs-btn { height: 46px; padding: 0 24px; }
    .home-main { height: calc(100vh - 76px - 96px); }
    .home-search-row { gap: 22px; }
}

@media (max-width: 720px) {
    .home-top { padding: 0 16px; height: 64px; }
    .home-logo { width: 38px; height: 38px; }
    .home-brand-name { font-size: 17px; }
    .hu-btn { padding: 7px 14px; font-size: 13px; }
    .hu-info { display: none; }
    .home-user-logged { padding: 4px; gap: 4px; }

    .home-main { padding: 0 14px; height: calc(100vh - 64px - 110px); }
    .home-title { font-size: 32px; letter-spacing: 0.5px; margin-bottom: 12px; }
    .home-subtitle { font-size: 13.5px; margin-bottom: 22px; padding: 0 6px; }
    .home-news { margin-bottom: 24px; }

    .home-search {
        height: 52px;
        padding-left: 16px;
        padding-right: 8px;
        border-radius: 26px;
    }
    .hs-icon svg { width: 18px; height: 18px; }
    .hs-input { font-size: 14px; }
    .hs-btn {
        height: 40px;
        padding: 0 14px;
        font-size: 13px;
    }
    .hs-btn svg { width: 15px; height: 15px; }
    .hs-sep { height: 22px; }

    .home-search-row { gap: 18px; }
    .home-hot-label { font-size: 12px; }
    .home-hot-list { gap: 7px; }
    .hh-item { padding: 5px 12px; font-size: 12px; }

    .home-footer { height: 110px; padding: 8px 14px; }
    .hf-row { font-size: 12px; }
    .hf-row.hf-row-1 { display: none; }

    /* 背景缩小光晕 */
    .orb-1 { width: 380px; height: 380px; }
    .orb-2 { width: 420px; height: 420px; }
    .orb-3 { width: 340px; height: 340px; }
    .orb-4 { width: 380px; height: 380px; }
}

@media (max-width: 420px) {
    .home-title { font-size: 26px; }
    .home-subtitle { font-size: 12.5px; margin-bottom: 18px; }
    .home-news { margin-bottom: 20px; }
    .home-hot-list { justify-content: flex-start; }   /* 小屏左对齐，更紧凑 */
    .home-hot-label { display: none; }
    .hh-item:nth-child(n+8) { display: none; }   /* 最小屏只显示前7个热词 */
}