:root {
    color-scheme: light;
    --wp-blue: #1746d1;
    --wp-blue-deep: #09267d;
    --wp-text: #17233d;
    --wp-muted: #64708a;
    --wp-line: #dce5f5;
    --wp-surface: #f5f8ff;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.whitepaper-page {
    margin: 0;
    background: #eef3fb;
    color: var(--wp-text);
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

.whitepaper-page .nav-link { color: #333 !important; }
.whitepaper-page .nav-link:hover { background-color: transparent !important; color: var(--wp-blue) !important; }
.whitepaper-page .nav-active { background-color: transparent !important; color: var(--wp-blue) !important; border-bottom: 2px solid var(--wp-blue); border-radius: 0 !important; }
.whitepaper-page .nav-company-name { color: #333 !important; }
.whitepaper-page .nav-logo-img { background: transparent !important; padding: 0 !important; }
.whitepaper-page .nav-btn-primary { background: linear-gradient(135deg, #0066ff, #0052cc) !important; border-radius: 8px !important; color: #fff !important; }
.whitepaper-page .nav-btn-secondary { background: #fff !important; border: 1px solid #ddd !important; color: #333 !important; border-radius: 8px !important; }
.whitepaper-page .nav-right-btns { gap: 12px; }
.whitepaper-page .navScroll .nav-link,
.whitepaper-page .navScroll .nav-company-name { color: #333 !important; }

.wp-container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.wp-hero {
    overflow: hidden;
    position: relative;
    padding: 92px 0 36px;
    border-bottom: 1px solid rgba(32, 82, 173, .1);
    background: linear-gradient(105deg, #fff 0%, #fbfdff 54%, #eff5ff 100%);
}

.wp-hero::before {
    content: "";
    position: absolute;
    top: -210px;
    right: 7%;
    width: 430px;
    height: 430px;
    border: 1px solid rgba(41, 103, 224, .12);
    border-radius: 50%;
    box-shadow:
        0 0 0 62px rgba(73, 132, 244, .035),
        0 0 0 124px rgba(73, 132, 244, .025);
}

.wp-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(31, 91, 196, .055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(31, 91, 196, .055) 1px, transparent 1px);
    background-size: 28px 28px;
    opacity: .45;
    -webkit-mask-image: linear-gradient(90deg, transparent 48%, #000 100%);
    mask-image: linear-gradient(90deg, transparent 48%, #000 100%);
    pointer-events: none;
}

.wp-hero-copy { position: relative; z-index: 1; max-width: 860px; }

.wp-kicker {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin: 0 0 10px;
    color: var(--wp-blue);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .08em;
}

.wp-kicker::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #2d6deb;
    box-shadow: 0 0 0 5px rgba(45, 109, 235, .1);
}

.wp-hero h1 {
    margin: 0;
    color: var(--wp-blue-deep);
    font-size: clamp(36px, 3.4vw, 48px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -.035em;
}

.wp-lead {
    max-width: 820px;
    margin: 13px 0 0;
    color: #586782;
    font-size: 16px;
    line-height: 1.72;
}

.wp-reader { padding: 34px 0 64px; }

.wp-reader-head {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}

.wp-reader-head h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    color: var(--wp-blue-deep);
    font-size: 23px;
    line-height: 1.4;
}

.wp-reader-head h2::before {
    content: "";
    width: 3px;
    height: 20px;
    border-radius: 99px;
    background: linear-gradient(#2c6ee9, #83adff);
}

.wp-pages {
    display: grid;
    gap: 30px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.wp-slide {
    overflow: hidden;
    position: relative;
    aspect-ratio: 16 / 9;
    border: 1px solid var(--wp-line);
    border-radius: 14px;
    background:
        linear-gradient(110deg, transparent 35%, rgba(255, 255, 255, .85) 50%, transparent 65%),
        linear-gradient(135deg, #e8effb, #f8faff);
    background-size: 220% 100%, 100% 100%;
    box-shadow: 0 18px 50px rgba(24, 52, 108, .12);
}

.wp-slide[data-state="queued"],
.wp-slide[data-state="loading"] { animation: wp-shimmer 1.5s linear infinite; }

.wp-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0;
    transition: opacity .24s ease;
}

.wp-slide[data-state="loaded"] img { opacity: 1; }

.wp-slide-number {
    display: none;
}

.wp-slide-error {
    display: none;
    position: absolute;
    inset: 0;
    place-items: center;
    padding: 24px;
    color: #8b3040;
    text-align: center;
}

.wp-slide[data-state="error"] .wp-slide-error { display: grid; }

.wp-noscript {
    margin: 0 0 20px;
    padding: 14px 18px;
    border: 1px solid #f1cf7a;
    border-radius: 10px;
    background: #fff9e7;
    color: #72551e;
}

.wp-site-footer {
    padding: 28px 0;
    border-top: 1px solid var(--wp-line);
    background: #fff;
    color: var(--wp-muted);
    font-size: 13px;
    text-align: center;
}

@keyframes wp-shimmer { to { background-position: -120% 0, 0 0; } }

@media (max-width: 760px) {
    .wp-container { width: min(100% - 24px, 1180px); }
    .wp-hero { padding: 88px 0 28px; }
    .wp-hero::before { top: -170px; right: -180px; width: 360px; height: 360px; }
    .wp-hero h1 { font-size: 34px; }
    .wp-lead { margin-top: 11px; font-size: 15px; line-height: 1.65; }
    .wp-reader { padding: 26px 0 48px; }
    .wp-reader-head { align-items: start; }
    .wp-reader-head h2 { font-size: 21px; }
    .wp-pages { gap: 16px; }
    .wp-slide { border-radius: 8px; box-shadow: 0 10px 30px rgba(24, 52, 108, .1); }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .wp-slide { animation: none !important; }
    .wp-slide img { transition: none; }
}