:root {
    --color-primary: #0b5fff;
    --color-primary-dark: #063a9b;
    --color-accent: #ff3ea5;
    --color-surface: #fff6df;
    --color-text: #151227;

    --rgb-primary: 11,95,255;
    --rgb-accent: 255,62,165;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 22px;

    --shadow-sm:
        0 1px 0 rgba(255,255,255,.55),
        0 3px 10px rgba(6,58,155,.12);
    --shadow-md:
        0 2px 0 rgba(255,255,255,.55),
        0 10px 24px rgba(6,58,155,.18),
        0 2px 10px rgba(255,62,165,.10);
    --shadow-lg:
        0 3px 0 rgba(255,255,255,.55),
        0 18px 48px rgba(2,18,66,.22),
        0 10px 22px rgba(255,62,165,.12);

    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;

    --transition: 0.52s cubic-bezier(0.18, 0.9, 0.2, 1);
    --heading-weight: 850;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: radial-gradient(1200px 700px at 20% -10%, rgba(11,95,255,.12), transparent 55%), radial-gradient(900px 600px at 95% 10%, rgba(255,62,165,.10), transparent 52%), linear-gradient(180deg, #ffffff 0%, #fff8ea 55%, #ffffff 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); letter-spacing: -0.02em; }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] {
    border-radius: var(--radius-lg);
    background:
        linear-gradient(180deg, rgba(255,255,255,.86) 0%, rgba(255,246,223,.78) 100%);
    box-shadow:
        0 1px 0 rgba(255,255,255,.75),
        0 10px 30px rgba(6,58,155,.18),
        0 2px 14px rgba(255,62,165,.10);
    padding: var(--space-card);
    transition: var(--transition);
    border: 1px solid rgba(11,95,255,.12);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: 0.58s cubic-bezier(0.16, 1, 0.3, 1);
    background: linear-gradient(135deg, rgba(11,95,255,.12), rgba(255,62,165,.10));
    border: 1px solid rgba(11,95,255,.22);
}
a:not([class]) {
    color: var(--color-primary);
    transition: 0.52s cubic-bezier(0.18, 0.9, 0.2, 1);
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}
a:not([class]):hover {
    color: var(--color-accent);
    text-decoration: underline;
}

/* ========== Section Layout Variants ========== */

/* news: masonry-2 */
/* 两列瀑布流 */
                .news-grid { column-count: 2; column-gap: var(--space-gap); }
                .news-grid .card {
                    break-inside: avoid;
                    margin-bottom: var(--space-gap);
                    background:
                        radial-gradient(900px 280px at 15% 0%, rgba(11,95,255,.16), transparent 55%),
                        radial-gradient(700px 240px at 95% 0%, rgba(255,62,165,.12), transparent 52%),
                        linear-gradient(180deg, rgba(255,255,255,.92) 0%, rgba(255,246,223,.72) 100%);
                    border: 1px solid rgba(11,95,255,.14);
                    box-shadow:
                        0 1px 0 rgba(255,255,255,.78),
                        0 16px 38px rgba(6,58,155,.16),
                        0 6px 18px rgba(255,62,165,.10);
                }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }
.feature-list .card, .feature-list [class*="card"] {
    border-radius: calc(var(--radius-lg) - 2px);
    background:
        linear-gradient(135deg, rgba(255,255,255,.92), rgba(255,246,223,.78));
    box-shadow:
        0 1px 0 rgba(255,255,255,.72),
        0 12px 26px rgba(11,95,255,.16),
        0 2px 16px rgba(255,62,165,.10);
    border: 1px solid rgba(255,62,165,.14);
}

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; }
.hero, [class*="hero"]{
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
}
.hero, [class*="hero"], section:first-of-type {
    background:
        linear-gradient(120deg,
            rgba(255,255,255,.92) 0%,
            rgba(255,255,255,.40) 18%,
            rgba(11,95,255,.18) 44%,
            rgba(255,62,165,.16) 70%,
            rgba(255,246,223,.92) 100%),
        linear-gradient(135deg, #0b5fff, #063a9b);
    box-shadow:
        0 1px 0 rgba(255,255,255,.6),
        0 26px 70px rgba(2,18,66,.24),
        0 10px 30px rgba(255,62,165,.14);
    border: 1px solid rgba(11,95,255,.18);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; } 
                .testimonial-list > * { flex: 0 0 100%; }
.testimonial-list [class*="card"], .testimonial-list .card{
    box-shadow:
        0 1px 0 rgba(255,255,255,.78),
        0 14px 32px rgba(6,58,155,.16),
        0 4px 18px rgba(255,62,165,.12);
    border: 1px solid rgba(255,62,165,.16);
    background:
        linear-gradient(180deg, rgba(255,255,255,.92) 0%, rgba(255,246,223,.76) 100%);
}

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 20s linear infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.partner-grid [class*="card"], .partner-grid .card{
    border-radius: 14px;
    box-shadow:
        0 1px 0 rgba(255,255,255,.7),
        0 10px 24px rgba(11,95,255,.14);
    border: 1px solid rgba(11,95,255,.16);
    background:
        radial-gradient(500px 220px at 50% 0%, rgba(255,62,165,.14), transparent 58%),
        linear-gradient(180deg, rgba(255,255,255,.9) 0%, rgba(255,246,223,.68) 100%);
}

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }
.faq-wrapper [class*="card"], .faq-wrapper .card{
    border-radius: 18px;
    box-shadow:
        0 2px 0 rgba(255,255,255,.72),
        0 18px 46px rgba(6,58,155,.18),
        0 6px 22px rgba(255,62,165,.10);
    border: 1px solid rgba(11,95,255,.14);
}

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid [class*="card"], .stats-grid .card{
    border-radius: 20px;
    background:
        radial-gradient(650px 260px at 50% -10%, rgba(11,95,255,.18), transparent 56%),
        linear-gradient(180deg, rgba(255,255,255,.9) 0%, rgba(255,246,223,.75) 100%);
    box-shadow:
        0 1px 0 rgba(255,255,255,.75),
        0 16px 40px rgba(6,58,155,.14),
        0 4px 18px rgba(255,62,165,.10);
    border: 1px solid rgba(255,62,165,.12);
}

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }
.cta-inner [class*="card"], .cta-inner .card{
    border-radius: 22px;
    background:
        linear-gradient(135deg, rgba(11,95,255,.14), rgba(255,62,165,.12)),
        linear-gradient(180deg, rgba(255,255,255,.92) 0%, rgba(255,246,223,.78) 100%);
    border: 1px solid rgba(11,95,255,.18);
    box-shadow:
        0 1px 0 rgba(255,255,255,.72),
        0 22px 58px rgba(2,18,66,.22),
        0 10px 30px rgba(255,62,165,.12);
}

/* Page Layout: wide */
/* 超宽 */
            .page-main { max-width: 1400px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.card { border-left: 4px solid rgba(11,95,255,.9); }
.card {
    border-image: linear-gradient(180deg, rgba(11,95,255,.95), rgba(255,62,165,.85)) 1;
}
header, .header, .navbar {
    background: transparent;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(11,95,255,.10);
}

/* Responsive */
@media (max-width: 1024px) {
    .news-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .feature-list { grid-template-columns: repeat(2, 1fr) !important; }
    .partner-grid { grid-template-columns: repeat(3, 1fr) !important; }
    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .hero-inner { grid-template-columns: 1fr !important; }
    :root { --transition: 0.48s cubic-bezier(0.18, 0.9, 0.2, 1); }
}
@media (max-width: 640px) {
    :root { --space-section: 2rem; --space-card: 1rem; --space-gap: 0.75rem; --radius-lg: 14px; --radius-xl: 18px; --transition: 0.46s cubic-bezier(0.16, 1, 0.3, 1); }
    .news-grid { grid-template-columns: 1fr !important; }
    .feature-list { grid-template-columns: 1fr !important; }
    .faq-list { grid-template-columns: 1fr !important; }
    .testimonial-list { column-count: 1 !important; }
    .partner-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .cta-inner { grid-template-columns: 1fr !important; }
    body { background: linear-gradient(180deg, #ffffff 0%, #fff4d6 60%, #ffffff 100%); }
}

/* Decorative gradient borders via border-image targets (visual only; no layout changes) */
.card, [class*="card"] {
    border-style: solid;
    border-width: 1px;
    border-color: rgba(255,255,255,.35);
    border-image: linear-gradient(135deg, rgba(11,95,255,.75), rgba(255,62,165,.65)) 1;
}

/* Accent text shadow */
h1, h2, h3, h4 {
    text-shadow:
        0 1px 0 rgba(255,255,255,.6),
        0 10px 22px rgba(6,58,155,.16);
}

/* Interaction polish */
:focus {
    outline: 2px solid rgba(255,62,165,.55);
    outline-offset: 3px;
}
::selection {
    background: rgba(11,95,255,.20);
    color: var(--color-text);
}
::placeholder { color: rgba(21,18,39,.55); }
button, a, input, textarea, select { caret-color: var(--color-accent); accent-color: var(--color-primary); }