/* ============================================================
   写逸网络 V8.2「净蓝」首页样式
   依赖：tokens.css（唯一色源）；配合 js/home-v3.js
   ============================================================ */

body.v3-home {
    background: var(--day-0);
}

.v3-container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- 区块通用 ---------- */
.v3-sec {
    padding: var(--sec-pad) 0;
}

.v3-sec-head {
    text-align: center;
    max-width: 760px;
    margin: 0 auto clamp(32px, 5vw, 56px);
}

.v3-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.28em;
    color: var(--blue);
    margin: 0 0 14px;
}

.v3-title {
    font-size: clamp(26px, 3vw, 40px);
    font-weight: 600;
    line-height: 1.3;
    color: var(--ink-900);
    margin: 0 0 14px;
}

.v3-sub {
    font-size: 15.5px;
    line-height: 1.8;
    color: var(--ink-400);
    margin: 0;
}

/* ---------- 按钮 ---------- */
.v3-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 30px;
    border-radius: var(--r-pill);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-decoration: none;
    border: 1px solid transparent;
    transition: transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease),
        background-color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
    cursor: pointer;
}

.v3-btn-primary {
    background: var(--blue-grad);
    color: #fff;
    box-shadow: 0 6px 18px rgba(22, 96, 232, 0.28);
}

.v3-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(22, 96, 232, 0.36);
    color: #fff;
}

.v3-btn-ghost {
    background: var(--day-0);
    border-color: var(--blue-line);
    color: var(--ink-900);
}

.v3-btn-ghost:hover {
    border-color: var(--blue);
    color: var(--blue);
    transform: translateY(-2px);
}

/* ============================================================
   ① HERO：晨雾蓝 + 细网格 + 微光
   ============================================================ */
.v3-hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #F8FBFF 0%, #EEF4FE 52%, #FFFFFF 100%);
}

.v3-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(22, 96, 232, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(22, 96, 232, 0.05) 1px, transparent 1px);
    background-size: 46px 46px;
    -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
    mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
    pointer-events: none;
}

.v3-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(720px 340px at 50% -120px, rgba(59, 130, 246, 0.14), transparent 68%),
        radial-gradient(420px 300px at 12% 82%, rgba(22, 96, 232, 0.07), transparent 70%),
        radial-gradient(420px 300px at 88% 76%, rgba(22, 96, 232, 0.06), transparent 70%);
    pointer-events: none;
}

.v3-hero-inner {
    position: relative;
    z-index: 2;
    min-height: min(86vh, 860px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 24px 96px;
}

.v3-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    letter-spacing: 0.14em;
    color: var(--blue);
    background: rgba(238, 244, 255, 0.85);
    border: 1px solid var(--blue-line);
    border-radius: var(--r-pill);
    padding: 9px 20px;
    margin-bottom: 30px;
    backdrop-filter: blur(6px);
}

.v3-hero-eyebrow .v3-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--blue);
    box-shadow: 0 0 0 4px rgba(22, 96, 232, 0.14);
}

.v3-hero-title {
    font-size: clamp(40px, 5.2vw, 68px);
    font-weight: 600;
    line-height: 1.22;
    color: var(--ink-900);
    margin: 0 0 26px;
}

.v3-hero-title .v3-hl {
    background: var(--blue-grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.v3-hero-sub {
    max-width: 640px;
    font-size: 17px;
    line-height: 1.85;
    color: var(--ink-600);
    margin: 0 0 38px;
}

.v3-hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: clamp(48px, 7vh, 84px);
}

.v3-hero-stats {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    border-top: 1px solid var(--blue-line);
    padding-top: 34px;
    width: 100%;
    max-width: 880px;
}

.v3-stat {
    flex: 1 1 0;
    min-width: 150px;
    padding: 0 18px;
    text-align: center;
}

.v3-stat + .v3-stat {
    border-left: 1px solid var(--blue-line);
}

.v3-stat-num {
    display: block;
    font-size: clamp(30px, 3.4vw, 42px);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--blue);
    line-height: 1.15;
    margin-bottom: 8px;
}

.v3-stat span {
    font-size: 13.5px;
    color: var(--ink-400);
    letter-spacing: 0.02em;
}

.v3-hero-cue {
    position: absolute;
    left: 50%;
    bottom: 22px;
    transform: translateX(-50%);
    z-index: 2;
    color: var(--ink-400);
    animation: v3Cue 2.2s ease-in-out infinite;
}

.v3-hero-cue .i {
    font-size: 20px;
}

@keyframes v3Cue {
    0%, 100% { transform: translate(-50%, 0); opacity: 0.7; }
    50% { transform: translate(-50%, 7px); opacity: 1; }
}

/* ============================================================
   ② 能力徽章带
   ============================================================ */
.v3-badges-sec {
    padding: 0 0 var(--sec-pad);
    background: var(--day-0);
}

.v3-badges {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin-top: calc(-1 * clamp(56px, 8vw, 84px));
    position: relative;
    z-index: 3;
}

.v3-badge {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: var(--day-0);
    border: 1px solid var(--blue-line);
    border-radius: var(--r-lg);
    box-shadow: var(--sh-1);
    padding: 26px 28px;
    transition: transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.v3-badge:hover {
    transform: translateY(-4px);
    box-shadow: var(--sh-2);
}

.v3-badge-ic {
    width: 46px;
    height: 46px;
    border-radius: 13px;
    background: var(--blue-soft);
    color: var(--blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 23px;
    flex: none;
}

.v3-badge h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--ink-900);
    margin: 2px 0 6px;
}

.v3-badge p {
    font-size: 13.5px;
    line-height: 1.7;
    color: var(--ink-400);
    margin: 0;
}

/* ============================================================
   ③ 一体两翼 · 交互架构图
   ============================================================ */
.v3-sol-wrap {
    background: var(--day-100);
}

.v3-sol {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 44px;
    align-items: center;
}

.v3-sol-stage {
    background: linear-gradient(180deg, #FBFDFF 0%, #F1F6FF 100%);
    border: 1px solid var(--blue-line);
    border-radius: var(--r-xl);
    padding: clamp(24px, 3.4vw, 44px);
    display: flex;
    flex-direction: column;
    gap: 0;
}

.v3-layer {
    transition: opacity var(--t-mid) var(--ease), filter var(--t-mid) var(--ease);
}

/* 注释悬停联动：未点亮的层级退后 */
.v3-sol[data-lit="head"] .v3-layer:not([data-layer="head"]),
.v3-sol[data-lit="wings"] .v3-layer:not([data-layer="wings"]),
.v3-sol[data-lit="sources"] .v3-layer:not([data-layer="sources"]),
.v3-sol[data-lit="deploy"] .v3-layer:not([data-layer="deploy"]) {
    opacity: 0.28;
    filter: saturate(0.55);
}

.v3-sol-head {
    justify-self: center;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--day-0);
    border: 1.5px solid var(--blue);
    color: var(--blue);
    font-size: clamp(16px, 1.6vw, 19px);
    font-weight: 600;
    letter-spacing: 0.06em;
    border-radius: var(--r-pill);
    padding: 13px 30px;
    box-shadow: var(--sh-1);
}

.v3-sol-head .i {
    font-size: 19px;
}

.v3-sol-link-v {
    width: 1.5px;
    height: 26px;
    background: var(--blue-line);
    margin: 0 auto;
    position: relative;
}

.v3-sol-link-v::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -1px;
    width: 7px;
    height: 7px;
    border-right: 1.5px solid var(--blue);
    border-bottom: 1.5px solid var(--blue);
    transform: translateX(-50%) rotate(45deg);
}

.v3-sol-wings {
    display: grid;
    grid-template-columns: 1fr 30px 1.25fr 30px 1fr;
    gap: 8px;
    align-items: stretch;
}

.v3-mod {
    background: var(--day-0);
    border: 1px solid var(--blue-line);
    border-radius: var(--r-md);
    overflow: hidden;
    box-shadow: var(--sh-1);
    transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.v3-sol[data-lit="wings"] .v3-mod {
    border-color: var(--blue);
    box-shadow: var(--sh-2);
}

.v3-mod-h {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--blue-soft);
    color: var(--blue);
    font-size: 15px;
    font-weight: 600;
    padding: 11px 8px;
}

.v3-mod-h .i {
    font-size: 17px;
}

.v3-mod-b {
    padding: 12px 14px 14px;
    font-size: 12.5px;
    line-height: 1.75;
    color: var(--ink-600);
}

.v3-swap {
    align-self: center;
    color: var(--blue);
    opacity: 0.75;
    font-size: 18px;
    display: flex;
    justify-content: center;
}

.v3-sol-caption {
    text-align: center;
    font-size: 12px;
    letter-spacing: 0.24em;
    color: var(--ink-400);
    margin: 22px 0 10px;
}

.v3-sol-chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.v3-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--day-0);
    border: 1px solid var(--blue-line);
    border-radius: var(--r-pill);
    padding: 9px 16px;
    font-size: 13px;
    color: var(--ink-600);
    transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.v3-chip .i {
    font-size: 15px;
    color: var(--blue);
}

.v3-chip small {
    font-size: 11.5px;
    color: var(--ink-400);
}

.v3-chip-line {
    background: transparent;
}

.v3-sol[data-lit="sources"] .v3-chip,
.v3-sol[data-lit="deploy"] .v3-chip {
    border-color: var(--blue);
    color: var(--blue);
}

.v3-sol[data-lit="sources"] .v3-deploy-chip,
.v3-sol[data-lit="deploy"] .v3-source-chip {
    border-color: var(--blue-line);
    color: var(--ink-600);
}

/* 右侧注释 */
.v3-notes {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.v3-note {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    background: var(--day-0);
    border: 1px solid var(--blue-line);
    border-radius: var(--r-md);
    padding: 18px 20px;
    transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
    cursor: default;
    outline: none;
}

.v3-note:hover,
.v3-note:focus-visible {
    border-color: var(--blue);
    box-shadow: var(--sh-1);
    transform: translateX(4px);
}

.v3-note-n {
    width: 26px;
    height: 26px;
    border-radius: 8px;
    background: var(--blue-soft);
    color: var(--blue);
    font-size: 12.5px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: none;
    margin-top: 2px;
}

.v3-note-t {
    font-size: 14px;
    line-height: 1.75;
    color: var(--ink-600);
}

/* ============================================================
   ③b 四多理念
   ============================================================ */
.v3-four-sec {
    background: linear-gradient(180deg, var(--day-100) 0%, var(--day-0) 100%);
    padding-bottom: calc(var(--sec-pad) - 10px);
}

.v3-four-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.v3-four-card {
    position: relative;
    background: var(--day-0);
    border: 1px solid var(--blue-line);
    border-radius: var(--r-lg);
    padding: 26px 22px;
    transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.v3-four-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sh-2);
}

.v3-four-n {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 22px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.05em;
    color: rgba(22, 96, 232, 0.14);
    pointer-events: none;
}

.v3-four-card .v3-card-ic {
    width: 46px;
    height: 46px;
    border-radius: 13px;
    background: var(--blue-soft);
    color: var(--blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 23px;
}

.v3-four-card h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--ink-900);
    margin: 16px 0 8px;
}

.v3-four-card p {
    font-size: 13.5px;
    line-height: 1.75;
    color: var(--ink-400);
    margin: 0;
}

@media (max-width: 1080px) {
    .v3-four-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 720px) {
    .v3-four-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

/* ============================================================
   ④ 产品与技术
   ============================================================ */
.v3-prod-sec {
    background: var(--day-0);
}

.v3-prod {
    display: grid;
    grid-template-columns: 248px 1fr;
    gap: 36px;
    align-items: start;
}

.v3-rail {
    position: sticky;
    top: 96px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.v3-cat {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 14px 18px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--r-md);
    font-size: 15px;
    color: var(--ink-600);
    text-align: left;
    cursor: pointer;
    transition: all var(--t-fast) var(--ease);
    font-family: inherit;
}

.v3-cat .i {
    font-size: 20px;
    color: var(--ink-400);
    transition: color var(--t-fast) var(--ease);
}

.v3-cat:hover {
    color: var(--blue);
    background: var(--blue-soft);
}

.v3-cat:hover .i {
    color: var(--blue);
}

.v3-cat.active {
    background: var(--day-0);
    border-color: var(--blue-line);
    color: var(--blue);
    font-weight: 600;
    box-shadow: var(--sh-1);
}

.v3-cat.active .i {
    color: var(--blue);
}

.v3-panel[hidden] {
    display: none;
}

.v3-main-card {
    position: relative;
    display: flex;
    align-items: flex-end;
    min-height: 216px;
    border-radius: var(--r-xl);
    overflow: hidden;
    padding: 30px 34px;
    background-size: cover;
    background-position: center;
    box-shadow: var(--sh-1);
}

.v3-main-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(78deg, rgba(10, 17, 40, 0.78) 8%, rgba(10, 17, 40, 0.42) 48%, rgba(10, 17, 40, 0.12) 100%);
}

.v3-main-card h3 {
    position: relative;
    z-index: 2;
    color: #fff;
    font-size: clamp(22px, 2.4vw, 28px);
    font-weight: 600;
    margin: 0;
}

.v3-main-card .v3-btn {
    position: absolute;
    right: 26px;
    bottom: 24px;
    z-index: 2;
    height: 42px;
    padding: 0 24px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.55);
    color: #fff;
    backdrop-filter: blur(4px);
}

.v3-main-card .v3-btn:hover {
    background: #fff;
    color: var(--blue);
}

.v3-grid {
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.v3-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: var(--day-0);
    border: 1px solid var(--blue-line);
    border-radius: var(--r-lg);
    padding: 22px;
    text-decoration: none;
    transition: transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.v3-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sh-2);
    border-color: rgba(22, 96, 232, 0.35);
}

.v3-card-ic {
    width: 44px;
    height: 44px;
    border-radius: 13px;
    background: var(--blue-soft);
    color: var(--blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 2px;
}

.v3-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink-900);
    margin: 0;
}

.v3-card p {
    font-size: 13.5px;
    line-height: 1.72;
    color: var(--ink-400);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.v3-card-more {
    margin-top: auto;
    align-self: flex-end;
    color: var(--blue);
    font-size: 17px;
    opacity: 0.65;
    transition: transform var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
}

.v3-card:hover .v3-card-more {
    transform: translateX(4px);
    opacity: 1;
}

/* ============================================================
   ⑤ 标杆与服务全国
   ============================================================ */
.v3-bench-sec {
    background: var(--day-100);
}

.v3-bench {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: clamp(28px, 5vw, 64px);
    align-items: center;
    background: var(--day-0);
    border: 1px solid var(--blue-line);
    border-radius: var(--r-xl);
    box-shadow: var(--sh-1);
    padding: clamp(30px, 4.5vw, 56px);
}

.v3-bench-num {
    font-size: clamp(64px, 8vw, 104px);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    line-height: 1;
    background: var(--blue-grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.v3-bench-num-label {
    margin-top: 10px;
    font-size: 15px;
    color: var(--ink-900);
    font-weight: 600;
    text-align: center;
}

.v3-bench-body h3 {
    font-size: clamp(19px, 2vw, 24px);
    font-weight: 600;
    color: var(--ink-900);
    margin: 0 0 12px;
}

.v3-bench-body p {
    font-size: 15px;
    line-height: 1.85;
    color: var(--ink-400);
    margin: 0 0 8px;
}

.v3-bench-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.v3-strip-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--blue-soft);
    color: var(--blue);
    border-radius: var(--r-pill);
    padding: 8px 18px;
    font-size: 13.5px;
    font-weight: 600;
    letter-spacing: 0.04em;
}

/* ============================================================
   ⑥ 资质荣誉
   ============================================================ */
.v3-quals-sec {
    background: var(--day-0);
}

.v3-quals-lead {
    text-align: center;
    font-size: 15px;
    color: var(--ink-600);
    margin: -6px 0 28px;
}

.v3-qual-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 34px;
}

.v3-qual-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--day-0);
    border: 1px solid var(--blue-line);
    border-radius: var(--r-pill);
    padding: 10px 20px;
    font-size: 13.5px;
    color: var(--ink-600);
    transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.v3-qual-tag:hover {
    border-color: var(--blue);
    box-shadow: var(--sh-1);
}

.v3-qual-tag b {
    color: var(--blue);
    font-weight: 600;
}

.v3-qual-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
}

.v3-qual-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 14px;
    background: var(--day-100);
    border: 1px solid transparent;
    border-radius: var(--r-lg);
    padding: 26px 18px;
    text-align: center;
    transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.v3-qual-item:hover {
    background: var(--day-0);
    border-color: var(--blue-line);
    transform: translateY(-3px);
}

.v3-qual-item img {
    width: 64px;
    height: 64px;
    object-fit: contain;
}

.v3-qual-item p {
    font-size: 12.5px;
    line-height: 1.65;
    color: var(--ink-600);
    margin: 0;
}

/* ============================================================
   ⑦ 公司动态
   ============================================================ */
.v3-news-sec {
    background: var(--day-100);
}

.v3-news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.v3-news-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
    background: var(--day-0);
    border: 1px solid var(--blue-line);
    border-radius: var(--r-lg);
    padding: 26px;
    text-decoration: none;
    transition: transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.v3-news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sh-2);
}

.v3-news-date {
    align-self: flex-start;
    background: var(--blue-soft);
    border-radius: var(--r-sm);
    padding: 8px 14px;
    text-align: center;
    line-height: 1.2;
}

.v3-news-date b {
    display: block;
    font-size: 21px;
    font-weight: 600;
    color: var(--blue);
    font-variant-numeric: tabular-nums;
}

.v3-news-date span {
    font-size: 11.5px;
    color: var(--ink-400);
    letter-spacing: 0.06em;
}

.v3-news-card h4 {
    font-size: 16.5px;
    font-weight: 600;
    line-height: 1.55;
    color: var(--ink-900);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.v3-news-card p {
    font-size: 13.5px;
    line-height: 1.72;
    color: var(--ink-400);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.v3-news-more {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--blue);
}

.v3-news-more .i {
    font-size: 15px;
    transition: transform var(--t-fast) var(--ease);
}

.v3-news-card:hover .v3-news-more .i {
    transform: translateX(4px);
}

/* ============================================================
   ⑧ CTA
   ============================================================ */
.v3-cta-sec {
    background: var(--day-100);
    padding-bottom: calc(var(--sec-pad) + 8px);
}

.v3-cta {
    position: relative;
    overflow: hidden;
    background: var(--blue-grad);
    border-radius: var(--r-xl);
    padding: clamp(36px, 5vw, 60px) clamp(28px, 5vw, 64px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    box-shadow: 0 20px 48px rgba(22, 96, 232, 0.28);
}

.v3-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(520px 220px at 88% -30%, rgba(255, 255, 255, 0.22), transparent 65%),
        radial-gradient(420px 200px at 4% 120%, rgba(255, 255, 255, 0.12), transparent 60%);
    pointer-events: none;
}

.v3-cta-txt {
    position: relative;
    z-index: 2;
}

.v3-cta-txt h3 {
    color: #fff;
    font-size: clamp(21px, 2.4vw, 27px);
    font-weight: 600;
    margin: 0 0 10px;
}

.v3-cta-txt p {
    color: rgba(255, 255, 255, 0.82);
    font-size: 14.5px;
    margin: 0;
}

.v3-cta-actions {
    position: relative;
    z-index: 2;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.v3-btn-white {
    background: #fff;
    color: var(--blue);
    box-shadow: 0 8px 22px rgba(6, 12, 26, 0.18);
}

.v3-btn-white:hover {
    transform: translateY(-2px);
    color: var(--blue-hover);
    box-shadow: 0 14px 30px rgba(6, 12, 26, 0.24);
}

.v3-btn-outline-white {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.65);
    color: #fff;
}

.v3-btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    transform: translateY(-2px);
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
    .v3-sol {
        grid-template-columns: 1fr;
    }

    .v3-notes {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .v3-prod {
        grid-template-columns: 1fr;
    }

    .v3-rail {
        position: static;
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 6px;
        gap: 8px;
    }

    .v3-cat {
        flex: none;
        white-space: nowrap;
        padding: 11px 16px;
        background: var(--day-0);
        border-color: var(--blue-line);
    }

    .v3-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .v3-qual-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 720px) {
    .v3-hero-inner {
        min-height: 0;
        padding: 72px 20px 88px;
    }

    .v3-hero-stats {
        padding-top: 24px;
    }

    .v3-stat {
        flex: 1 1 40%;
        margin-bottom: 18px;
    }

    .v3-stat:nth-child(3) {
        border-left: none;
    }

    .v3-badges {
        grid-template-columns: 1fr;
        margin-top: -48px;
        gap: 14px;
    }

    .v3-sol-wings {
        grid-template-columns: 1fr;
    }

    .v3-swap {
        transform: rotate(90deg);
        padding: 4px 0;
    }

    .v3-notes {
        grid-template-columns: 1fr;
    }

    .v3-grid {
        grid-template-columns: 1fr;
    }

    .v3-bench {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .v3-bench-num-label {
        text-align: left;
    }

    .v3-qual-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .v3-news-grid {
        grid-template-columns: 1fr;
    }

    .v3-cta {
        flex-direction: column;
        align-items: flex-start;
    }
}