* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Noto Sans SC', 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

body {
    background: linear-gradient(135deg, #0a0e1a 0%, #0d1b2a 50%, #0a1628 100%);
    color: #e8f0ff;
    min-height: 100vh;
    padding: 20px;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -2;
    background:
        radial-gradient(ellipse at 15% 20%, rgba(0, 212, 255, .07) 0%, transparent 45%),
        radial-gradient(ellipse at 85% 80%, rgba(0, 100, 255, .06) 0%, transparent 45%),
        linear-gradient(135deg, #0a0e1a 0%, #0d1b2a 50%, #0a1628 100%);
}

body::after {
    content: '';
    position: absolute;
    top: 80px; left: 0;
    width: 100%; height: 1081px;
    background: url('../images/fee-images.png') center/cover no-repeat;
    opacity: .03;
    pointer-events: none;
    z-index: 1;
}

/* 滚动条 */
::-webkit-scrollbar { width: 15px; }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, #00d4ff, #0066cc); border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, #00fff7, #00aaff); }
::-webkit-scrollbar-track { background: #0d1b2a; }
::-webkit-scrollbar-button { display: none; }
::-webkit-scrollbar-corner { background: #0a0e1a; }
::-webkit-resizer { display: none; }

a:link    { text-decoration: none; color: #00d4ff; }
a:visited { text-decoration: none; color: #0099cc; }
a:hover   { text-decoration: none; color: #00fff7; text-shadow: 0 0 12px rgba(0, 255, 247, .6); }
a:active  { text-decoration: none; color: #ffffff; }

.container { max-width: 1300px; margin: 0 auto; position: relative; }

/* ═══════════════════════════
   顶部标题
═══════════════════════════ */
.header {
    text-align: center;
    padding: 30px 0;
    margin-bottom: 30px;
    position: relative;
}

.header::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #00d4ff 20%, #00fff7 50%, #00d4ff 80%, transparent);
    animation: headerLineGlow 3s ease-in-out infinite;
}

@keyframes headerLineGlow {
    0%, 100% { box-shadow: 0 0 14px rgba(0, 212, 255, .35); opacity: .7; }
    50%       { box-shadow: 0 0 30px rgba(0, 212, 255, .8), 0 0 60px rgba(0, 212, 255, .2); opacity: 1; }
}

.header h1 {
    font-family: 'Orbitron', 'Noto Sans SC', sans-serif;
    font-size: 3.2rem;
    font-weight: 900;
    letter-spacing: 8px;
    background: linear-gradient(90deg,
        #003366 0%, #0099cc 15%, #00d4ff 30%,
        #00fff7 45%, #ffffff 55%, #00fff7 65%,
        #00d4ff 78%, #0099cc 90%, #003366 100%);
    background-size: 300% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleFlow 4s linear infinite;
    filter: drop-shadow(0 0 24px rgba(0, 212, 255, .6)) drop-shadow(0 0 60px rgba(0, 212, 255, .2));
    margin-bottom: 15px;
    position: relative;
}

@keyframes titleFlow {
    0%   { background-position: 0% center; }
    100% { background-position: 300% center; }
}

.header h1::before {
    content: attr(data-text);
    position: absolute;
    top: 0; left: 0;
    background: linear-gradient(90deg,
        transparent 0%, transparent 30%,
        rgba(180, 240, 255, .8) 50%,
        transparent 70%, transparent 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: shine 3s infinite;
    background-size: 200% 100%;
}

@keyframes shine {
    0%   { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.header h2 {
    font-family: 'Share Tech Mono', monospace;
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 5px;
    color: rgba(0, 212, 255, .45);
}

/* ═══════════════════════════
   分类选择区
═══════════════════════════ */
.category-section {
    background: linear-gradient(135deg, rgba(4, 12, 32, .98), rgba(4, 18, 40, .95));
    border: 1px solid rgba(0, 212, 255, .22);
    clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
    padding: 25px;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

.category-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00d4ff 30%, #00fff7 50%, #00d4ff 70%, transparent);
    animation: topLineBreath 3s ease-in-out infinite;
    pointer-events: none;
}

@keyframes topLineBreath {
    0%, 100% { box-shadow: 0 0 14px rgba(0, 212, 255, .4); opacity: .7; }
    50%       { box-shadow: 0 0 30px rgba(0, 212, 255, .85), 0 0 60px rgba(0, 212, 255, .25); opacity: 1; }
}

.category-section::after {
    content: '';
    position: absolute;
    top: -120%; left: -60%;
    width: 220%; height: 340%;
    background: conic-gradient(
        from 0deg,
        transparent 0%, rgba(0, 212, 255, .03) 15%,
        rgba(0, 255, 247, .05) 30%, rgba(0, 150, 255, .03) 50%,
        transparent 65%, rgba(0, 212, 255, .03) 80%, transparent 100%
    );
    animation: conicSpin 15s linear infinite;
    pointer-events: none;
}

@keyframes conicSpin {
    0%   { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    letter-spacing: 6px;
    color: #00d4ff;
    text-align: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    text-shadow: 0 0 16px rgba(0, 212, 255, .6);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    transform: translateX(-50%);
    width: 80px; height: 2px;
    background: linear-gradient(90deg, transparent, #00fff7, #00d4ff, #00fff7, transparent);
    animation: lineExpand 2.5s ease-in-out infinite;
}

@keyframes lineExpand {
    0%, 100% { width: 80px; box-shadow: 0 0 10px rgba(0, 212, 255, .5); opacity: .7; }
    50%       { width: 150px; box-shadow: 0 0 22px rgba(0, 212, 255, .9); opacity: 1; }
}

.categories { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; }

.category-btn {
    flex: 0 0 calc(12.5% - 15px);
    min-width: 140px;
    padding: 14px 5px;
    background: rgba(4, 14, 34, .88);
    border: 1px solid rgba(0, 212, 255, .2);
    clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
    color: #4a7a9a;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-align: center;
    cursor: pointer;
    transition: all .3s;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.category-btn::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    width: 0; height: 0;
    background: radial-gradient(circle, rgba(0, 212, 255, .2), transparent 70%);
    transform: translate(-50%, -50%);
    transition: width .5s ease, height .5s ease;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
}

.category-btn:hover::before { width: 220%; height: 220%; }

.category-btn::after {
    content: '';
    position: absolute;
    top: -100%; left: -70%;
    width: 35%; height: 300%;
    background: linear-gradient(105deg, transparent 30%, rgba(0, 255, 247, .14) 50%, transparent 70%);
    transform: skewX(-20deg);
    pointer-events: none;
}

.category-btn:hover::after { animation: cyanScan .5s forwards; }

@keyframes cyanScan {
    0%   { left: -70%; }
    100% { left: 140%; }
}

.category-btn:hover {
    border-color: rgba(0, 212, 255, .6);
    color: #00d4ff;
    box-shadow: 0 0 24px rgba(0, 212, 255, .2), inset 0 0 14px rgba(0, 212, 255, .06);
    background: rgba(4, 22, 50, .92);
}

.category-btn.active {
    background: linear-gradient(135deg, rgba(0, 212, 255, .18), rgba(0, 150, 255, .1));
    border-color: rgba(0, 212, 255, .75);
    color: #00d4ff;
    box-shadow: 0 0 32px rgba(0, 212, 255, .35), inset 0 0 18px rgba(0, 212, 255, .08);
    text-shadow: 0 0 10px rgba(0, 212, 255, .7);
}

/* ═══════════════════════════
   LOGO 展示卡片
═══════════════════════════ */
.logos-container { display: flex; flex-wrap: wrap; justify-content: center; gap: 30px; margin-bottom: 50px; }

.logo-card {
    background: linear-gradient(135deg, rgba(4, 12, 32, .99), rgba(4, 16, 42, .97));
    border: 1px solid rgba(0, 212, 255, .18);
    clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
    width: 413px;
    padding: 25px;
    position: relative;
    overflow: hidden;
    transition: all .4s cubic-bezier(.25, .46, .45, .94);
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(30px);
    animation: slideIn .6s forwards;
}

@keyframes slideIn { to { opacity: 1; transform: translateY(0); } }
.logo-card:nth-child(1) { animation-delay: .1s; }
.logo-card:nth-child(2) { animation-delay: .2s; }
.logo-card:nth-child(3) { animation-delay: .3s; }

/* 顶部光线 */
.logo-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00d4ff 30%, #00fff7 50%, #00d4ff 70%, transparent);
    pointer-events: none;
    z-index: 1;
    animation: cardTopGlow 4s ease-in-out infinite;
}

@keyframes cardTopGlow {
    0%, 100% { box-shadow: 0 0 10px rgba(0, 212, 255, .35); }
    50%       { box-shadow: 0 0 26px rgba(0, 212, 255, .85), 0 0 50px rgba(0, 212, 255, .2); }
}

/* 扫光 */
.logo-card::after {
    content: '';
    position: absolute;
    top: -100%; left: -70%;
    width: 35%; height: 300%;
    background: linear-gradient(105deg, transparent 30%, rgba(0, 212, 255, .05) 50%, transparent 70%);
    transform: skewX(-20deg);
    pointer-events: none;
}

.logo-card:hover::after { animation: cardCyanScan .7s forwards; }

@keyframes cardCyanScan {
    0%   { left: -70%; }
    100% { left: 140%; }
}

.logo-card:hover {
    border-color: rgba(0, 212, 255, .55);
    box-shadow:
        0 0 50px rgba(0, 212, 255, .18),
        0 0 100px rgba(0, 212, 255, .06),
        0 20px 60px rgba(0, 0, 0, .8);
    transform: translateY(-10px);
}

/* ═══════════════════════════
   图片预览区 — 无内框
═══════════════════════════ */
.logo-preview {
    width: 100%;
    height: 240px;
    background: rgba(2, 8, 22, .94);
    border: 1px solid rgba(0, 212, 255, .12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
    transition: border-color .4s;
}

/* 底部辉光 */
.logo-preview::before {
    content: '';
    position: absolute;
    bottom: -5px; left: 50%;
    transform: translateX(-50%);
    width: 80%; height: 35px;
    background: radial-gradient(ellipse, rgba(0, 212, 255, .15), transparent);
    filter: blur(10px);
    opacity: 0;
    transition: opacity .4s;
    pointer-events: none;
}

.logo-card:hover .logo-preview::before { opacity: 1; }

/* 无 ::after，不加内框 */
.logo-preview::after { display: none; }

.logo-preview img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    transition: all .4s ease;
    transform: scale(.95);
    border-radius: 6px;
}

.logo-card:hover .logo-preview img {
    transform: scale(1.07);
    filter: drop-shadow(0 0 16px rgba(0, 212, 255, .55));
}

.logo-card:hover .logo-preview {
    border-color: rgba(0, 212, 255, .28);
}

.logo-info { flex-grow: 1; padding: 0 10px; }

.logo-title {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: #00d4ff;
    margin-bottom: 12px;
    text-shadow: 0 0 12px rgba(0, 212, 255, .5);
    text-align: center;
    position: relative;
    padding-bottom: 10px;
}

.logo-title::after {
    content: '';
    position: absolute;
    bottom: 0; left: 25%;
    width: 50%; height: 1px;
    background: linear-gradient(90deg, transparent, #00fff7, #00d4ff, #00fff7, transparent);
    animation: lineExpand 2.5s ease-in-out infinite;
}

.logo-desc {
    font-family: 'Noto Sans SC', sans-serif;
    color: rgba(0, 180, 220, .55);
    font-size: .95rem;
    line-height: 1.8;
    margin-bottom: 20px;
    letter-spacing: .5px;
    text-align: center;
}

.logo-actions { display: flex; justify-content: center; gap: 15px; }

/* ═══════════════════════════
   按钮
═══════════════════════════ */
.action-btn {
    padding: 11px 24px;
    font-family: 'Orbitron', sans-serif;
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: 2px;
    border: none;
    cursor: pointer;
    clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
    transition: all .28s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.action-btn::before {
    content: '';
    position: absolute;
    top: 0; left: -80%;
    width: 40%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .15), transparent);
    transform: skewX(-20deg);
    pointer-events: none;
}

.action-btn:hover::before { animation: btnShine .5s forwards; }

@keyframes btnShine {
    0%   { left: -80%; }
    100% { left: 140%; }
}

.download-btn {
    background: linear-gradient(135deg, #004d26, #00a352);
    color: #fff;
    border: 1px solid rgba(0, 255, 136, .3);
    box-shadow: 0 4px 16px rgba(0, 255, 136, .2);
}

.download-btn:hover {
    box-shadow: 0 0 30px rgba(0, 255, 136, .6), 0 0 60px rgba(0, 255, 136, .2);
    filter: brightness(1.2);
    transform: translateY(-3px);
    border-color: rgba(0, 255, 136, .6);
}

.more-btn {
    background: linear-gradient(135deg, #1a0050, #4a1a80);
    color: #c890ff;
    border: 1px solid rgba(180, 79, 255, .3);
    box-shadow: 0 4px 16px rgba(180, 79, 255, .2);
}

.more-btn:hover {
    box-shadow: 0 0 30px rgba(180, 79, 255, .6), 0 0 60px rgba(180, 79, 255, .2);
    filter: brightness(1.2);
    transform: translateY(-3px);
    border-color: rgba(180, 79, 255, .6);
}

/* ═══════════════════════════
   底部版权
═══════════════════════════ */
.footer {
    padding: 30px 0;
    background: rgba(4, 10, 26, .94);
    border: 1px solid rgba(0, 212, 255, .1);
    text-align: center;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #00d4ff 20%, #00fff7 50%, #00d4ff 80%, transparent);
    animation: footerGlow 3s ease-in-out infinite;
}

@keyframes footerGlow {
    0%, 100% { box-shadow: 0 0 10px rgba(0, 212, 255, .2); opacity: .5; }
    50%       { box-shadow: 0 0 24px rgba(0, 212, 255, .55); opacity: 1; }
}

.copyright {
    font-family: 'Share Tech Mono', monospace;
    font-size: 11px;
    letter-spacing: 3px;
    color: rgba(0, 150, 180, .6);
}

/* 粒子 */
.particles { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }

.particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(0, 212, 255, .18);
    pointer-events: none;
    animation: float 10s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0); }
    50%       { transform: translateY(-20px) rotate(180deg); }
}

/* ═══════════════════════════
   搜索框
═══════════════════════════ */
.search-container { position: relative; margin: 20px auto 40px; max-width: 900px; }

.search-box { display: flex; gap: 10px; position: relative; }

.search-box::before {
    content: '';
    position: absolute;
    top: -3px; left: -3px; right: -3px; bottom: -3px;
    background: linear-gradient(90deg, transparent, #00d4ff 20%, #00fff7 50%, #00d4ff 80%, transparent);
    background-size: 400%;
    z-index: -1;
    opacity: .55;
    animation: light-pulse 4s linear infinite;
    filter: blur(5px);
}

@keyframes light-pulse {
    0%   { background-position: 0% 50%; }
    100% { background-position: 400% 50%; }
}

.search-input {
    flex: 1;
    padding: 14px 22px;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 1rem;
    letter-spacing: 1px;
    background: rgba(4, 12, 32, .97);
    border: 1px solid rgba(0, 212, 255, .25);
    color: #e8f0ff;
    clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
    transition: all .3s;
    outline: none;
}

.search-input:focus {
    border-color: rgba(0, 212, 255, .65);
    box-shadow: 0 0 24px rgba(0, 212, 255, .28);
}

.search-box:hover::before { opacity: .8; }

.search-button {
    padding: 0 28px;
    font-family: 'Orbitron', sans-serif;
    font-size: .85rem;
    font-weight: 700;
    letter-spacing: 2px;
    background: linear-gradient(135deg, #004080, #0072ff);
    color: #fff;
    border: 1px solid rgba(0, 212, 255, .35);
    clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
    cursor: pointer;
    transition: all .25s;
}

.search-button:hover { box-shadow: 0 0 26px rgba(0, 212, 255, .6); filter: brightness(1.2); }

.search-button-1 {
    padding: 0 28px;
    font-family: 'Orbitron', sans-serif;
    font-size: .85rem;
    font-weight: 700;
    letter-spacing: 2px;
    background: linear-gradient(135deg, #1a0a30, #4a1a80);
    color: #c890ff;
    border: 1px solid rgba(180, 79, 255, .3);
    clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
    cursor: pointer;
    transition: all .25s;
}

.search-button-1:hover { box-shadow: 0 0 26px rgba(180, 79, 255, .6); filter: brightness(1.2); }

/* ═══════════════════════════
   搜索模态框
═══════════════════════════ */
.search-modal {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 3, 12, .92);
    backdrop-filter: blur(14px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .3s;
}

.search-modal.active { display: flex; opacity: 1; }

.modal-content {
    background: linear-gradient(135deg, rgba(4, 12, 32, .99), rgba(4, 18, 44, .98));
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 30px;
    border: 1px solid rgba(0, 212, 255, .3);
    clip-path: polygon(16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%, 0 16px);
    box-shadow: 0 0 60px rgba(0, 212, 255, .15);
    position: relative;
    scrollbar-width: thin;
    scrollbar-color: #0066cc #0d1b2a;
}

.modal-content::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00d4ff 30%, #00fff7 50%, #00d4ff 70%, transparent);
    box-shadow: 0 0 16px rgba(0, 212, 255, .5);
}

.close-button {
    position: absolute;
    top: 15px; right: 20px;
    width: 32px; height: 32px;
    background: transparent;
    border: 1px solid rgba(0, 212, 255, .25);
    color: #4a7a9a;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .22s;
}

.close-button:hover {
    border-color: #ff2244;
    color: #ff2244;
    transform: rotate(90deg);
    box-shadow: 0 0 12px rgba(255, 34, 68, .4);
}

.modal-title {
    font-family: 'Orbitron', sans-serif;
    text-align: center;
    font-size: 1.3rem;
    letter-spacing: 5px;
    color: #00d4ff;
    margin-bottom: 30px;
    text-shadow: 0 0 16px rgba(0, 212, 255, .6);
}

.search-results { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 20px; }

/* ═══════════════════════════
   分页
═══════════════════════════ */
.pagination { display: flex; justify-content: center; margin: 25px 0; gap: 8px; }

.page-button {
    width: 40px; height: 40px;
    background: rgba(4, 14, 34, .9);
    border: 1px solid rgba(0, 212, 255, .2);
    clip-path: polygon(5px 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%, 0 5px);
    color: #ffffff;
    font-family: 'Share Tech Mono', monospace;
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .25s;
    position: relative;
    overflow: hidden;
}

.page-button::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    width: 0; height: 0;
    background: radial-gradient(circle, rgba(0, 212, 255, .22), transparent);
    transform: translate(-50%, -50%);
    transition: all .4s ease;
    pointer-events: none;
}

.page-button:hover::before { width: 180%; height: 180%; }

.page-button:hover {
    border-color: rgba(0, 212, 255, .6);
    color: #e1faff;
    box-shadow: 0 0 16px rgba(0, 212, 255, .25);
    transform: translateY(-2px);
}

.page-button.active {
    background: linear-gradient(135deg, rgba(0, 212, 255, .2), rgba(0, 150, 255, .12));
    border-color: rgba(0, 212, 255, .75);
    color: #00d4ff;
    box-shadow: 0 0 20px rgba(0, 212, 255, .35);
    text-shadow: 0 0 8px rgba(0, 212, 255, .6);
}

.page-button.prev,
.page-button.next {
    width: auto;
    padding: 0 16px;
    clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
    font-family: 'Orbitron', sans-serif;
    font-size: .72rem;
    letter-spacing: 1px;
}

.page-button.disabled { opacity: .3; cursor: not-allowed; }

/* ═══════════════════════════
   价格标签 — 有背景不透明
═══════════════════════════ */
.price-tag {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 5px 12px;
    font-family: 'Share Tech Mono', monospace;
    font-size: .82rem;
    letter-spacing: 1px;
    clip-path: polygon(5px 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%, 0 5px);
    z-index: 10;
    /* 默认粉色，用于没有 free/premium 类时 */
    background: rgba(255, 44, 120, .3);
    border: 1px solid rgba(255, 44, 120, .6);
    color: #ff88cc;
    text-shadow: 0 0 8px rgba(255, 44, 120, .5);
}

.price-tag.free {
    background: rgba(0, 255, 136, .2);
    border: 1px solid rgba(0, 255, 136, .5);
    color: #00ff88;
    text-shadow: 0 0 8px rgba(0, 255, 136, .4);
    box-shadow: 0 0 10px rgba(0, 255, 136, .15);
}

.price-tag.premium {
    background: linear-gradient(135deg, rgba(0, 212, 255, .25), rgba(0, 100, 255, .2));
    border: 1px solid rgba(0, 212, 255, .6);
    color: #00d4ff;
    text-shadow: 0 0 8px rgba(0, 212, 255, .6);
    animation: premiumPulse 2.5s ease-in-out infinite;
}

@keyframes premiumPulse {
    0%, 100% { box-shadow: 0 0 8px rgba(0, 212, 255, .2); border-color: rgba(0, 212, 255, .4); }
    50%       { box-shadow: 0 0 22px rgba(0, 212, 255, .65), 0 0 40px rgba(0, 212, 255, .15); border-color: rgba(0, 212, 255, .85); }
}

/* ═══════════════════════════
   特殊按钮
═══════════════════════════ */
.new-product-btn { position: relative; overflow: visible; }

.new-badge {
    position: absolute;
    top: 4px; right: 4px;
    background: linear-gradient(135deg, #ff2244, #ff6600);
    color: #fff;
    font-size: .65rem;
    font-weight: 900;
    padding: 3px 8px;
    clip-path: polygon(4px 0, 100% 0, 100% calc(100% - 4px), calc(100% - 4px) 100%, 0 100%, 0 4px);
    animation: badgePulse 1.8s infinite;
    z-index: 10;
    letter-spacing: 1px;
}

@keyframes badgePulse {
    0%   { box-shadow: 0 0 0 0 rgba(255, 34, 68, .7); }
    70%  { box-shadow: 0 0 0 8px rgba(255, 34, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 34, 68, 0); }
}

.new-badge-1 {
    position: absolute;
    top: -6px; right: -6px;
    background: linear-gradient(135deg, #ff9100, #ffcc00);
    color: #000;
    font-size: .65rem;
    font-weight: 900;
    padding: 3px 8px;
    clip-path: polygon(4px 0, 100% 0, 100% calc(100% - 4px), calc(100% - 4px) 100%, 0 100%, 0 4px);
    animation: badge1Pulse 1.8s infinite;
    z-index: 10;
}

@keyframes badge1Pulse {
    0%   { box-shadow: 0 0 0 0 rgba(255, 145, 0, .7); }
    70%  { box-shadow: 0 0 0 8px rgba(255, 145, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 145, 0, 0); }
}

.special-btn {
    background: rgba(0, 212, 255, .08);
    border: 1px solid rgba(0, 212, 255, .35);
    color: #00d4ff;
    text-shadow: 0 0 8px rgba(0, 212, 255, .4);
}

.special-btn:hover {
    background: rgba(0, 212, 255, .15);
    box-shadow: 0 0 24px rgba(0, 212, 255, .45);
    border-color: rgba(0, 212, 255, .7);
    color: #00fff7;
}

@keyframes pulse {
    0%   { box-shadow: 0 0 0 0 rgba(0, 212, 255, .6); }
    70%  { box-shadow: 0 0 0 8px rgba(0, 212, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0); }
}

/* ═══════════════════════════
   顶部导航
═══════════════════════════ */
.nav5588ps-new-top {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 90px;
    background: rgba(4, 10, 26, .98);
    border-bottom: 1px solid rgba(0, 212, 255, .16);
    backdrop-filter: blur(18px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.nav5588ps-new-top::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 212, 255, .03) 0%, transparent 100%);
    pointer-events: none;
}

.nav5588ps-new-top::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #00d4ff 25%, #00fff7 50%, #00d4ff 75%, transparent);
    animation: navGlow 3s ease-in-out infinite;
}

@keyframes navGlow {
    0%, 100% { box-shadow: 0 0 10px rgba(0, 212, 255, .2); opacity: .5; }
    50%       { box-shadow: 0 0 26px rgba(0, 212, 255, .6), 0 0 50px rgba(0, 212, 255, .15); opacity: 1; }
}

.nav5588ps-new-top-container {
    width: 1350px;
    height: 100%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    position: relative;
}

.nav5588ps-new-top-btn {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav5588ps-new-top-btn > a,
.nav5588ps-new-top-btn > .nav5588ps-new-top-trigger {
    cursor: pointer;
    padding: .85em 1.5em;
    min-width: 120px;
    min-height: 44px;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: .9rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: #4a7a9a;
    background: rgba(4, 14, 34, .6);
    border: 1px solid rgba(0, 212, 255, .15);
    clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
    text-decoration: none;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    transition: all .25s;
}

.nav5588ps-new-top-btn > a::before,
.nav5588ps-new-top-btn > .nav5588ps-new-top-trigger::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00fff7, transparent);
    transform: scaleX(0);
    transition: transform .25s;
    box-shadow: 0 0 8px rgba(0, 255, 247, .5);
}

.nav5588ps-new-top-btn > a::after,
.nav5588ps-new-top-btn > .nav5588ps-new-top-trigger::after {
    content: '';
    position: absolute;
    top: -100%; left: -70%;
    width: 35%; height: 300%;
    background: linear-gradient(105deg, transparent 30%, rgba(0, 212, 255, .1) 50%, transparent 70%);
    transform: skewX(-20deg);
    pointer-events: none;
}

.nav5588ps-new-top-btn > a:hover::after,
.nav5588ps-new-top-btn > .nav5588ps-new-top-trigger:hover::after { animation: navScan .45s forwards; }

@keyframes navScan {
    0%   { left: -70%; }
    100% { left: 140%; }
}

.nav5588ps-new-top-btn > a:hover,
.nav5588ps-new-top-btn > .nav5588ps-new-top-trigger:hover {
    color: #00d4ff;
    background: rgba(4, 22, 50, .8);
    border-color: rgba(0, 212, 255, .35);
    text-shadow: 0 0 10px rgba(0, 212, 255, .5);
    box-shadow: 0 0 20px rgba(0, 212, 255, .12);
}

.nav5588ps-new-top-btn > a:hover::before,
.nav5588ps-new-top-btn > .nav5588ps-new-top-trigger:hover::before { transform: scaleX(1); }

.nav5588ps-new-top-btn > a:active,
.nav5588ps-new-top-btn > .nav5588ps-new-top-trigger:active { transform: translateY(1px); }

.nav5588ps-new-top-submenu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translate(-50%, 8px);
    min-width: 200px;
    background: rgba(4, 10, 28, .99);
    border: 1px solid rgba(0, 212, 255, .22);
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
    padding: 8px 0;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: opacity .22s, transform .22s;
    box-shadow: 0 16px 50px rgba(0, 0, 0, .75), 0 0 30px rgba(0, 212, 255, .08);
}

.nav5588ps-new-top-submenu::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #00d4ff 30%, #00fff7 50%, #00d4ff 70%, transparent);
    box-shadow: 0 0 10px rgba(0, 212, 255, .4);
}

.nav5588ps-new-top-submenu.active { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

.nav5588ps-new-top-submenu ul { list-style: none; }
.nav5588ps-new-top-submenu li { margin-bottom: 0; position: relative; overflow: hidden; }
.nav5588ps-new-top-submenu li:last-child { margin-bottom: 0; }

.nav5588ps-new-top-submenu a {
    display: block;
    padding: 11px 20px;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: .88rem;
    letter-spacing: 1px;
    color: #4a7a9a;
    text-decoration: none;
    transition: all .18s;
    border-left: 2px solid transparent;
}

.nav5588ps-new-top-submenu a:hover {
    background: rgba(0, 212, 255, .06);
    color: #00d4ff;
    border-left-color: #00d4ff;
    letter-spacing: 2px;
    text-shadow: 0 0 8px rgba(0, 212, 255, .4);
}

.nav5588ps-new-top-submenu a::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 2px; height: 100%;
    background: linear-gradient(to bottom, #00d4ff, #00fff7);
    transform: translateX(-100%);
    transition: transform .2s;
    box-shadow: 2px 0 8px rgba(0, 212, 255, .4);
}

.nav5588ps-new-top-submenu a:hover::before { transform: translateX(0); }

.nav5588ps-new-top-close {
    position: absolute;
    top: 8px; right: 8px;
    width: 20px; height: 20px;
    background: transparent;
    border: 1px solid rgba(0, 212, 255, .25);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #4a7a9a;
    font-size: 11px;
    transition: all .2s;
    z-index: 2;
}

.nav5588ps-new-top-close:hover { border-color: #ff2244; color: #ff2244; box-shadow: 0 0 10px rgba(255, 34, 68, .4); }

/* ═══════════════════════════
   返回顶部
═══════════════════════════ */
.dibu-5588ps-container { max-width: 1200px; margin: 0 auto; padding: 30px; }
.dibu-5588ps-header { text-align: center; margin: 60px 0 40px; padding: 20px; }

.dibu-5588ps-header h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: 8px;
    background: linear-gradient(90deg, #003366 0%, #0099cc 25%, #00d4ff 50%, #0099cc 75%, #003366 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 24px rgba(0, 212, 255, .5));
    margin-bottom: 20px;
}

.dibu-5588ps-header p { font-size: 1.1rem; max-width: 800px; margin: 0 auto; line-height: 1.9; color: rgba(0, 180, 220, .55); letter-spacing: .5px; }

.dibu-5588ps-content-section {
    background: linear-gradient(135deg, rgba(4, 12, 32, .99), rgba(4, 18, 44, .97));
    border: 1px solid rgba(0, 212, 255, .16);
    clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
    padding: 40px;
    margin: 40px 0;
    position: relative;
}

.dibu-5588ps-content-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00d4ff 30%, #00fff7 50%, #00d4ff 70%, transparent);
    box-shadow: 0 0 14px rgba(0, 212, 255, .4);
}

.dibu-5588ps-content-section h2 { font-family: 'Orbitron', sans-serif; font-size: 1.3rem; letter-spacing: 4px; margin-bottom: 30px; color: #00d4ff; text-shadow: 0 0 14px rgba(0, 212, 255, .5); position: relative; padding-bottom: 12px; }

.dibu-5588ps-content-section h2::after { content: ''; position: absolute; bottom: 0; left: 0; width: 60px; height: 2px; background: linear-gradient(90deg, #00fff7, transparent); box-shadow: 0 0 10px rgba(0, 212, 255, .4); }

.dibu-5588ps-content-section p { font-size: 1rem; line-height: 1.9; margin: 16px 0; color: rgba(0, 180, 220, .6); letter-spacing: .5px; }
.dibu-5588ps-content-section ul { padding: 16px 0 16px 32px; }
.dibu-5588ps-content-section li { margin: 12px 0; font-size: 1rem; line-height: 1.8; color: rgba(0, 180, 220, .6); }

.dibu-5588ps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; margin: 40px 0; }

.dibu-5588ps-card {
    background: rgba(4, 14, 36, .88);
    border: 1px solid rgba(0, 212, 255, .14);
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
    padding: 28px;
    text-align: center;
    transition: all .3s;
    position: relative;
    overflow: hidden;
}

.dibu-5588ps-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(0, 212, 255, .4), transparent); }

.dibu-5588ps-card:hover { border-color: rgba(0, 212, 255, .45); box-shadow: 0 8px 30px rgba(0, 0, 0, .5), 0 0 24px rgba(0, 212, 255, .12); transform: translateY(-6px); }

.dibu-5588ps-card i { font-size: 2.8rem; margin-bottom: 18px; color: #00d4ff; text-shadow: 0 0 20px rgba(0, 212, 255, .65); display: block; }
.dibu-5588ps-card h3 { font-family: 'Noto Sans SC', sans-serif; font-size: 1.1rem; font-weight: 700; letter-spacing: 2px; margin-bottom: 12px; color: #00fff7; text-shadow: 0 0 10px rgba(0, 255, 247, .4); }

.dibu-5588ps-back-to-top {
    position: fixed;
    bottom: 40px; right: 40px;
    z-index: 1000;
    padding: 12px 22px;
    background: rgba(4, 12, 32, .97);
    border: 1px solid rgba(0, 212, 255, .4);
    clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
    color: #00d4ff;
    font-family: 'Orbitron', sans-serif;
    font-size: .8rem;
    letter-spacing: 2px;
    font-weight: 700;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all .35s;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 130px;
    box-shadow: 0 0 20px rgba(0, 212, 255, .18);
    text-shadow: 0 0 8px rgba(0, 212, 255, .4);
}

.dibu-5588ps-back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }

.dibu-5588ps-back-to-top:hover {
    border-color: #00fff7;
    color: #00fff7;
    box-shadow: 0 0 32px rgba(0, 212, 255, .6), 0 0 70px rgba(0, 212, 255, .2);
    transform: translateY(-4px);
    text-shadow: 0 0 12px rgba(0, 255, 247, .7);
    background: rgba(4, 18, 44, .97);
}

.dibu-5588ps-back-to-top:active { transform: translateY(0); }
.dibu-5588ps-back-to-top::after { content: "↑"; margin-left: 8px; font-size: 1.1rem; transition: transform .3s; }
.dibu-5588ps-back-to-top:hover::after { animation: arrowBounce .6s infinite alternate; }

@keyframes arrowBounce {
    from { transform: translateY(0); }
    to   { transform: translateY(-5px); }
}

.dibu-5588ps-footer { text-align: center; margin-top: 60px; padding: 24px; font-family: 'Share Tech Mono', monospace; font-size: 11px; letter-spacing: 2px; color: rgba(0, 150, 180, .5); border-top: 1px solid rgba(0, 212, 255, .1); }

.dibu-5588ps-scroll-indicator {
    position: fixed;
    top: 30px; left: 50%;
    transform: translateX(-50%);
    background: rgba(4, 12, 32, .98);
    border: 1px solid rgba(0, 212, 255, .35);
    clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 8px);
    color: #00d4ff;
    padding: 10px 22px;
    font-family: 'Share Tech Mono', monospace;
    font-size: .85rem;
    letter-spacing: 2px;
    z-index: 1000;
    text-shadow: 0 0 8px rgba(0, 212, 255, .5);
    animation: tipPulse 2s infinite;
}

@keyframes tipPulse {
    0%   { box-shadow: 0 0 0 0 rgba(0, 212, 255, .5); }
    70%  { box-shadow: 0 0 0 10px rgba(0, 212, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0); }
}

/* ═══════════════════════════
   响应式
═══════════════════════════ */
@media (max-width: 1000px) {
    .categories { gap: 12px; }
    .category-btn { min-width: 120px; flex: 0 0 calc(16.66% - 12px); padding: 12px 5px; font-size: .95rem; }
    .logos-container { gap: 20px; }
}

@media (max-width: 768px) {
    .header h1 { font-size: 2.2rem; }
    .category-btn { flex: 0 0 calc(25% - 10px); min-width: 100px; }
    .logo-preview { height: 200px; }
    .dibu-5588ps-back-to-top { bottom: 20px; right: 20px; min-width: 110px; padding: 10px 16px; }
    .dibu-5588ps-header h1 { font-size: 2.5rem; }
    .dibu-5588ps-content-section { padding: 22px; }
}

@media (max-width: 480px) {
    .header h1 { font-size: 1.8rem; }
    .category-btn { flex: 0 0 calc(33.33% - 8px); padding: 10px 4px; font-size: .9rem; }
    .logo-preview { height: 180px; }
    .action-btn { padding: 10px 18px; }
}