/* ==========================================================================
   惠州市龙银聚科技有限公司 — 官网样式
   ========================================================================== */

:root {
    --navy: #071a33;
    --navy-2: #0b2447;
    --brand: #1f5eff;
    --brand-2: #0ea5e9;
    --teal: #12b391;
    --text: #14243c;
    --muted: #5f708b;
    --muted-light: #8494ab;
    --line: #e6ecf5;
    --line-soft: #eef3fa;
    --bg: #f7f9fd;
    --white: #ffffff;
    --radius: 18px;
    --radius-lg: 26px;
    --shadow-sm: 0 2px 10px rgba(12, 34, 70, .05);
    --shadow: 0 22px 50px -26px rgba(12, 34, 70, .22);
    --container: 1180px;
    --ease: cubic-bezier(.22, .61, .36, 1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.nav-open {
    overflow: hidden;
}

h1, h2, h3, h4 {
    margin: 0;
    color: var(--navy);
    font-weight: 700;
    letter-spacing: -.01em;
}

p {
    margin: 0;
}

ul, ol, dl, dd {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
}

::selection {
    background: rgba(31, 94, 255, .18);
    color: var(--navy);
}

[id] {
    scroll-margin-top: 96px;
}

.container {
    width: min(var(--container), 100% - 48px);
    margin-inline: auto;
}

.container--narrow {
    width: min(860px, 100% - 48px);
}

.svg-sprite {
    display: none;
}

.ico {
    width: 18px;
    height: 18px;
    flex: none;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.skip-link {
    position: absolute;
    top: -60px;
    left: 20px;
    z-index: 999;
    padding: 10px 18px;
    border-radius: 0 0 10px 10px;
    background: var(--navy);
    color: #fff;
    font-size: 13px;
    transition: top .2s;
}

.skip-link:focus {
    top: 0;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
summary:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 3px;
}

/* ==========================================================================
   基础元素
   ========================================================================== */

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: .16em;
    color: var(--brand);
}

.eyebrow--light {
    color: #8fc0ff;
}

.eyebrow__dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--teal);
    box-shadow: 0 0 0 4px rgba(18, 179, 145, .18);
}

.grad-text {
    color: #5fe0cb;
    text-shadow: 0 0 34px rgba(62, 226, 194, .28);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 46px;
    padding: 0 22px;
    border: 1px solid transparent;
    border-radius: 12px;
    font-size: 14.5px;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, border-color .25s, color .25s;
}

.btn .ico {
    width: 17px;
    height: 17px;
}

.btn--lg {
    height: 50px;
    padding: 0 26px;
    font-size: 15px;
}

.btn--block {
    width: 100%;
}

.btn--primary {
    background: linear-gradient(120deg, #2f6bff, #0ea5e9);
    color: #fff;
    box-shadow: 0 12px 26px -12px rgba(31, 94, 255, .75);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 32px -14px rgba(31, 94, 255, .85);
}

.btn--ghost {
    background: rgba(255, 255, 255, .06);
    border-color: rgba(255, 255, 255, .26);
    color: #fff;
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, .13);
    border-color: rgba(255, 255, 255, .4);
    transform: translateY(-2px);
}

.btn--outline {
    background: #fff;
    border-color: var(--line);
    color: var(--navy);
}

.btn--outline:hover {
    border-color: rgba(31, 94, 255, .45);
    color: var(--brand);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.btn--soft {
    background: #eef4ff;
    border-color: #e0ebff;
    color: var(--brand);
}

.btn--soft:hover {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
    transform: translateY(-2px);
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--brand);
    transition: gap .25s var(--ease), color .2s;
}

.text-link .ico {
    width: 16px;
    height: 16px;
    transition: transform .25s var(--ease);
}

.text-link:hover {
    gap: 10px;
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 11px;
    border-radius: 999px;
    background: #eef4ff;
    color: #2a5fd7;
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: .04em;
    white-space: nowrap;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 15px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #fff;
    color: #42536c;
    font-size: 13px;
    cursor: pointer;
    transition: all .2s;
}

.chip:hover {
    border-color: rgba(31, 94, 255, .4);
    color: var(--brand);
}

.chip.is-active {
    background: var(--navy);
    border-color: var(--navy);
    color: #fff;
}

.chip--static {
    cursor: default;
    background: #f4f8fe;
    border-color: var(--line-soft);
    color: #3b5574;
}

.chip--static:hover {
    border-color: var(--line-soft);
    color: #3b5574;
}

.chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.required {
    color: #e05252;
}

.icon-badge {
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    border-radius: 16px;
    background: #eaf1ff;
    color: var(--brand);
}

.icon-badge .ico {
    width: 25px;
    height: 25px;
}

.icon-badge--sm {
    width: 42px;
    height: 42px;
    border-radius: 12px;
}

.icon-badge--sm .ico {
    width: 20px;
    height: 20px;
}

.icon-badge--ghost {
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   顶部工具栏与导航
   ========================================================================== */

.topbar {
    background: #041225;
    color: rgba(255, 255, 255, .62);
    font-size: 12.5px;
}

.topbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    height: 38px;
}

.topbar__left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.topbar__item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color .2s;
}

.topbar__item .ico {
    width: 14px;
    height: 14px;
    color: rgba(255, 255, 255, .4);
}

a.topbar__item:hover {
    color: #fff;
}

.topbar__split {
    width: 1px;
    height: 12px;
    background: rgba(255, 255, 255, .16);
}

.topbar__right {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #8fc0ff;
}

.topbar__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--teal);
    box-shadow: 0 0 0 4px rgba(18, 179, 145, .14);
}

.header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: saturate(160%) blur(14px);
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    border-bottom: 1px solid rgba(226, 234, 246, .9);
    transition: box-shadow .3s;
}

.header.is-scrolled {
    box-shadow: 0 14px 34px -24px rgba(9, 30, 66, .38);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    height: 76px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.brand__mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 13px;
    background: linear-gradient(140deg, #2f6bff 10%, #0ea5e9 90%);
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    line-height: 1;
    box-shadow: 0 10px 22px -12px rgba(31, 94, 255, .9), inset 0 1px 0 rgba(255, 255, 255, .3);
}

.brand__text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand__text strong {
    font-size: 16.5px;
    font-weight: 700;
    color: var(--navy);
    letter-spacing: .02em;
}

.brand__text small {
    margin-top: 3px;
    font-size: 9.5px;
    letter-spacing: .18em;
    color: var(--muted-light);
}

.nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav__link {
    padding: 9px 15px;
    border-radius: 10px;
    font-size: 14.5px;
    color: #3a4c66;
    transition: background .2s, color .2s;
}

.nav__link:hover {
    background: #f2f6fd;
    color: var(--navy);
}

.nav__link.is-active {
    background: #eff5ff;
    color: var(--brand);
    font-weight: 600;
}

.nav__cta {
    height: 42px;
    margin-left: 12px;
    padding: 0 20px;
    font-size: 14px;
}

.nav-toggle {
    display: none;
    place-items: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 11px;
    background: #fff;
    color: var(--navy);
    cursor: pointer;
}

.nav-toggle .ico {
    width: 20px;
    height: 20px;
}

.nav-toggle .ico--close {
    display: none;
}

body.nav-open .nav-toggle .ico--menu {
    display: none;
}

body.nav-open .nav-toggle .ico--close {
    display: block;
}

/* ==========================================================================
   首页 Hero
   ========================================================================== */

.hero {
    position: relative;
    overflow: hidden;
    padding: 84px 0 118px;
    background:
        radial-gradient(110% 130% at 88% 0%, #133c6e 0%, #071a33 46%, #051226 100%);
    color: #fff;
}

.hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .055) 1px, transparent 1px);
    background-size: 64px 64px;
    -webkit-mask-image: radial-gradient(78% 72% at 48% 32%, #000 30%, transparent 100%);
    mask-image: radial-gradient(78% 72% at 48% 32%, #000 30%, transparent 100%);
}

.hero__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    pointer-events: none;
}

.hero__glow--a {
    top: -150px;
    right: -60px;
    width: 440px;
    height: 440px;
    background: #2f6bff;
    opacity: .5;
}

.hero__glow--b {
    bottom: -190px;
    left: -110px;
    width: 380px;
    height: 380px;
    background: #0fd0b4;
    opacity: .22;
}

.hero__inner {
    position: relative;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
    gap: 64px;
}

.hero__copy h1 {
    margin: 18px 0 20px;
    font-size: clamp(34px, 4.3vw, 54px);
    line-height: 1.16;
    letter-spacing: -.02em;
    color: #fff;
}

.hero__lead {
    max-width: 540px;
    font-size: 15.5px;
    line-height: 1.9;
    color: rgba(255, 255, 255, .72);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.hero__points {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 26px;
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, .1);
}

.hero__points li {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 13.5px;
    color: rgba(255, 255, 255, .68);
}

.hero__points .ico {
    width: 15px;
    height: 15px;
    color: #3ee2c2;
}

/* 产品浮层 */
.hero__visual {
    position: relative;
    width: 100%;
    max-width: 520px;
    justify-self: end;
}

.mockup {
    position: relative;
    width: 100%;
    max-width: 520px;
    margin-left: auto;
    border-radius: 22px;
    background: #fff;
    color: var(--text);
    box-shadow: 0 50px 90px -40px rgba(0, 0, 0, .65);
    transform: perspective(1400px) rotateY(-4deg) rotateX(1.5deg);
}

.mockup__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 13px 18px;
    border-bottom: 1px solid var(--line-soft);
    background: #fff;
    border-radius: 22px 22px 0 0;
}

.mockup__dots {
    display: inline-flex;
    gap: 5px;
}

.mockup__dots i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ff8b8b;
}

.mockup__dots i:nth-child(2) {
    background: #ffd166;
}

.mockup__dots i:nth-child(3) {
    background: #57d3a8;
}

.mockup__title {
    font-size: 12px;
    font-weight: 600;
    color: #6a7a92;
}

.mockup__live {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 10.5px;
    color: #0d9f83;
}

.mockup__live i {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #12b391;
    box-shadow: 0 0 0 3px rgba(18, 179, 145, .16);
}

.mockup__body {
    padding: 18px;
    border-radius: 0 0 22px 22px;
    background: linear-gradient(180deg, #fbfcff, #f2f6fd);
}

.mockup__kpis {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.mockup__kpis > div {
    padding: 12px 13px;
    border: 1px solid var(--line-soft);
    border-radius: 12px;
    background: #fff;
}

.mockup__kpis span {
    display: block;
    font-size: 10.5px;
    color: var(--muted-light);
}

.mockup__kpis strong {
    display: block;
    margin-top: 4px;
    font-size: 20px;
    line-height: 1.2;
    color: var(--navy);
    letter-spacing: -.02em;
}

.mockup__kpis em {
    margin-left: 2px;
    font-size: 10px;
    font-style: normal;
    font-weight: 500;
    color: var(--muted-light);
}

.mockup__table {
    margin-top: 12px;
    overflow: hidden;
    border: 1px solid var(--line-soft);
    border-radius: 12px;
    background: #fff;
}

.mockup__tr {
    display: grid;
    grid-template-columns: 1.35fr 1fr .8fr .75fr;
    align-items: center;
    gap: 8px;
    padding: 9px 13px;
    border-top: 1px solid #f2f6fc;
    font-size: 11px;
    color: #3d4f68;
}

.mockup__tr:first-child {
    border-top: 0;
}

.mockup__tr--head {
    background: #f6f9ff;
    color: #8494ab;
    font-size: 10.5px;
}

.pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    justify-self: start;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 10px;
    line-height: 1.6;
    white-space: nowrap;
}

.pill--ok {
    background: #e7f8f1;
    color: #0b8768;
}

.pill--warn {
    background: #fff4e6;
    color: #b06a10;
}

.mockup__foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 14px;
    font-size: 10.5px;
    color: var(--muted-light);
}

.mockup__btn {
    padding: 6px 13px;
    border-radius: 8px;
    background: linear-gradient(120deg, #2f6bff, #0ea5e9);
    color: #fff;
    font-size: 10.5px;
    font-weight: 600;
    box-shadow: 0 8px 16px -8px rgba(31, 94, 255, .8);
}

.float-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border: 1px solid rgba(255, 255, 255, .7);
    border-radius: 14px;
    background: rgba(255, 255, 255, .96);
    box-shadow: 0 22px 44px -22px rgba(0, 0, 0, .45);
    color: var(--text);
    animation: float 6s ease-in-out infinite;
}

.float-card div {
    display: flex;
    flex-direction: column;
    line-height: 1.35;
}

.float-card strong {
    font-size: 12px;
    color: var(--navy);
}

.float-card span:not(.float-card__icon) {
    font-size: 10.5px;
    color: var(--muted-light);
}

.float-card__icon {
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    border-radius: 9px;
    background: #eaf1ff;
    color: var(--brand);
}

.float-card__icon .ico {
    width: 16px;
    height: 16px;
}

.float-card__icon--ok {
    background: #e7f8f1;
    color: #0d9f83;
}

.float-card--a {
    top: -40px;
    left: -56px;
}

.float-card--b {
    right: -30px;
    bottom: -44px;
    animation-delay: -3s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-9px);
    }
}

/* ==========================================================================
   数据条
   ========================================================================== */

.trust {
    position: relative;
    z-index: 3;
    margin-top: -48px;
}

.trust__panel {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 1px solid var(--line);
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 26px 60px -34px rgba(9, 30, 66, .4);
}

.trust__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 22px 12px;
    text-align: center;
}

.trust__item + .trust__item {
    border-left: 1px solid var(--line-soft);
}

.trust__value {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -.02em;
    color: var(--navy);
}

.trust__label {
    font-size: 12.5px;
    color: var(--muted);
}

/* ==========================================================================
   通用区块
   ========================================================================== */

.section {
    padding: 92px 0;
}

.section--soft {
    background: linear-gradient(180deg, #f6f9ff, #fafcff);
    border-top: 1px solid #f0f5fc;
    border-bottom: 1px solid #f0f5fc;
}

.section--tight {
    padding: 64px 0 84px;
}

.section__head {
    max-width: 760px;
    margin-bottom: 46px;
}

.section__head--center {
    margin-inline: auto;
    text-align: center;
}

.section__head--center .eyebrow {
    justify-content: center;
}

.section__head--row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
    max-width: none;
}

.section__head h2 {
    font-size: clamp(26px, 2.8vw, 36px);
    line-height: 1.32;
}

.section__desc {
    margin-top: 14px;
    font-size: 15px;
    line-height: 1.9;
    color: var(--muted);
}

.section__head--center .section__desc {
    margin-inline: auto;
    max-width: 660px;
}

.section__note {
    margin-top: 26px;
    font-size: 13px;
    color: var(--muted-light);
    text-align: center;
}

.grid {
    display: grid;
    gap: 22px;
}

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

.grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

/* ==========================================================================
   服务卡片
   ========================================================================== */

.service-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 28px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: #fff;
    box-shadow: var(--shadow-sm);
    transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}

.service-card::after {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 3px;
    background: linear-gradient(90deg, #2f6bff, #0ea5e9, #12b391);
    opacity: 0;
    transition: opacity .35s;
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: #d3e2ff;
    box-shadow: 0 30px 60px -34px rgba(12, 34, 70, .35);
}

.service-card:hover::after {
    opacity: 1;
}

.service-card__top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.service-card:nth-child(2) .icon-badge {
    background: #e7faf5;
    color: #0d9f83;
}

.service-card:nth-child(3) .icon-badge {
    background: #f1edff;
    color: #6b4dff;
}

.service-card h3 {
    margin: 20px 0 10px;
    font-size: 20px;
}

.service-card__desc {
    font-size: 14px;
    line-height: 1.85;
    color: var(--muted);
}

.check-list {
    display: grid;
    gap: 10px;
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px dashed var(--line);
}

.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13.5px;
    line-height: 1.65;
    color: #3c4d66;
}

.check-list .ico {
    width: 16px;
    height: 16px;
    margin-top: 3px;
    color: var(--teal);
}

/* ==========================================================================
   产品亮点 / 图表
   ========================================================================== */

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 64px;
}

.split__copy h2 {
    font-size: clamp(26px, 2.8vw, 35px);
    line-height: 1.35;
}

.split__visual {
    position: relative;
}

.chart-card {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: #fff;
    box-shadow: var(--shadow);
}

.chart-card__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.chart-card__head span:first-child {
    display: block;
    font-size: 12.5px;
    color: var(--muted-light);
}

.chart-card__head strong {
    display: block;
    margin-top: 4px;
    font-size: 27px;
    line-height: 1.2;
    letter-spacing: -.02em;
    color: var(--navy);
}

.chart-card__pill {
    padding: 4px 10px;
    border-radius: 999px;
    background: #e9f9f3;
    color: #0d8f70;
    font-size: 11.5px;
    font-weight: 600;
}

.chart {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    height: 190px;
    margin: 22px 0 8px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--line-soft);
    background-image: linear-gradient(#f4f7fc 1px, transparent 1px);
    background-size: 100% 33.33%;
}

.chart > span {
    position: relative;
    flex: 1;
    height: var(--h);
    border-radius: 8px 8px 3px 3px;
    background: linear-gradient(180deg, #6a97ff, #2f6bff);
    transition: filter .25s;
}

.chart > span:nth-child(even) {
    background: linear-gradient(180deg, #5fdcc4, #12b391);
}

.chart > span:hover {
    filter: brightness(1.06);
}

.chart > span i {
    position: absolute;
    bottom: -22px;
    left: 50%;
    transform: translateX(-50%);
    font-style: normal;
    font-size: 10.5px;
    white-space: nowrap;
    color: var(--muted-light);
}

.chart-card__list {
    margin-top: 16px;
}

.chart-card__list div {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-top: 1px solid #f1f5fb;
    font-size: 12.5px;
}

.chart-card__list div:first-child {
    border-top: 0;
}

.chart-card__list span:first-child {
    flex: 1;
    color: #43566f;
}

.chart-card__list em {
    font-style: normal;
    font-weight: 600;
    color: var(--navy);
}

.chart-float {
    position: absolute;
    right: 24px;
    bottom: -64px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 12px 20px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
    box-shadow: var(--shadow);
}

.chart-float span {
    font-size: 11px;
    color: var(--muted-light);
}

.chart-float strong {
    font-size: 22px;
    color: var(--brand);
    letter-spacing: -.02em;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 22px;
    margin: 26px 0 30px;
}

.feature-grid li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.feature-grid__icon {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: #eaf1ff;
    color: var(--brand);
}

.feature-grid__icon .ico {
    width: 17px;
    height: 17px;
}

.feature-grid li > div {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.feature-grid strong {
    font-size: 14.5px;
    font-weight: 600;
    color: var(--navy);
}

.feature-grid li > div > span {
    font-size: 12.5px;
    line-height: 1.6;
    color: var(--muted);
}

.feature-grid--2 {
    margin: 16px 0 0;
    gap: 12px 24px;
}

.feature-grid--2 li {
    padding: 12px 14px;
    border: 1px solid var(--line-soft);
    border-radius: 12px;
    background: #fbfcff;
}

.feature-grid--2 .feature-grid__icon {
    width: 26px;
    height: 26px;
    border-radius: 8px;
    background: #e7f8f1;
    color: #0d9f83;
}

.feature-grid--2 .feature-grid__icon .ico {
    width: 14px;
    height: 14px;
}

.feature-grid--2 strong {
    font-size: 13.5px;
    font-weight: 500;
    line-height: 1.6;
}

/* ==========================================================================
   服务流程
   ========================================================================== */

.process {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
}

.process__item {
    position: relative;
    padding-right: 26px;
}

.process__item::before {
    content: "";
    position: absolute;
    top: 27px;
    left: 56px;
    right: 4px;
    border-top: 1px dashed #cfdcee;
}

.process__item:last-child::before {
    display: none;
}

.process__num {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: #fff;
    color: var(--brand);
    font-size: 15px;
    font-weight: 700;
    box-shadow: 0 10px 22px -16px rgba(12, 34, 70, .55);
    transition: all .3s var(--ease);
}

.process__item:hover .process__num {
    border-color: transparent;
    background: linear-gradient(135deg, #2f6bff, #0ea5e9);
    color: #fff;
    transform: translateY(-3px);
}

.process__item h3 {
    margin: 20px 0 8px;
    font-size: 16.5px;
}

.process__item p {
    font-size: 13px;
    line-height: 1.8;
    color: var(--muted);
}

/* ==========================================================================
   优势 / 价值卡片
   ========================================================================== */

.advantage {
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #fff;
    transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}

.advantage:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.advantage h3 {
    margin: 18px 0 8px;
    font-size: 16.5px;
}

.advantage p {
    font-size: 13.5px;
    line-height: 1.8;
    color: var(--muted);
}

.value-card {
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: #fff;
    box-shadow: var(--shadow-sm);
    transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.value-card h3 {
    margin: 18px 0 8px;
    font-size: 18px;
}

.value-card p {
    font-size: 14px;
    line-height: 1.85;
    color: var(--muted);
}

/* ==========================================================================
   工具卡片与下载页
   ========================================================================== */

.tool-item {
    display: flex;
    min-width: 0;
}

.tool-item[hidden] {
    display: none;
}

.tool-card {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #fff;
    box-shadow: var(--shadow-sm);
    transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}

.tool-card:hover {
    transform: translateY(-4px);
    border-color: #d6e4ff;
    box-shadow: 0 26px 50px -32px rgba(12, 34, 70, .32);
}

.tool-card__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 16px;
}

.tool-card h3 {
    margin-bottom: 8px;
    font-size: 16px;
    line-height: 1.45;
}

.tool-card > p {
    flex: 1;
    font-size: 13px;
    line-height: 1.75;
    color: var(--muted);
}

.tool-card__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 7px;
    margin-top: 14px;
    font-size: 11px;
    color: var(--muted-light);
}

.tool-card__dot {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: #c5d1e2;
}

.tool-card__foot {
    margin-top: 16px;
}

.tool-card__foot .btn {
    height: 42px;
    font-size: 13px;
}

.download-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
    padding: 18px 20px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #fff;
    box-shadow: var(--shadow-sm);
}

.search-box {
    display: flex;
    flex: 1;
    align-items: center;
    gap: 10px;
    min-width: 260px;
    height: 46px;
    padding: 0 14px;
    border: 1px solid var(--line);
    border-radius: 11px;
    background: #f9fbfe;
    transition: border-color .2s, box-shadow .2s, background .2s;
}

.search-box:focus-within {
    border-color: rgba(31, 94, 255, .5);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(31, 94, 255, .08);
}

.search-box .ico {
    width: 17px;
    height: 17px;
    color: var(--muted-light);
}

.search-box input {
    flex: 1;
    height: 100%;
    border: 0;
    background: transparent;
    font-family: inherit;
    font-size: 14px;
    color: var(--text);
    outline: none;
}

.search-box input::placeholder {
    color: #9aa8bd;
}

.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.result-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin: 24px 0 18px;
    font-size: 13px;
    color: var(--muted);
}

.result-line__hint {
    font-size: 12px;
    color: var(--muted-light);
}

.empty-state {
    padding: 56px 24px;
    border: 1px dashed #d7e2f2;
    border-radius: 18px;
    background: #fbfcff;
    text-align: center;
}

.empty-state .ico {
    width: 34px;
    height: 34px;
    color: #a8b7ca;
}

.empty-state h3 {
    margin: 12px 0 6px;
    font-size: 17px;
}

.empty-state p {
    margin-bottom: 18px;
    font-size: 13.5px;
    color: var(--muted);
}

.download-tips {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 44px;
}

.download-tip {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fff;
}

.download-tip strong {
    display: block;
    margin-bottom: 4px;
    font-size: 14px;
    color: var(--navy);
}

.download-tip p {
    font-size: 12.5px;
    line-height: 1.75;
    color: var(--muted);
}

/* ==========================================================================
   页面头图
   ========================================================================== */

.page-hero {
    position: relative;
    overflow: hidden;
    padding: 54px 0 62px;
    background: radial-gradient(110% 150% at 82% 0%, #123a6b 0%, #071a33 52%, #051226 100%);
    color: #fff;
}

.page-hero--slim {
    padding: 42px 0 50px;
}

.page-hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(80% 90% at 60% 0%, #000 20%, transparent 100%);
    mask-image: radial-gradient(80% 90% at 60% 0%, #000 20%, transparent 100%);
}

.page-hero .container {
    position: relative;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 12.5px;
    color: rgba(255, 255, 255, .5);
}

.breadcrumb a {
    transition: color .2s;
}

.breadcrumb a:hover {
    color: #fff;
}

.page-hero h1 {
    font-size: clamp(28px, 3.4vw, 40px);
    line-height: 1.3;
    color: #fff;
}

.page-hero__desc {
    max-width: 720px;
    margin-top: 12px;
    font-size: 15px;
    line-height: 1.9;
    color: rgba(255, 255, 255, .7);
}

/* ==========================================================================
   解决方案页
   ========================================================================== */

.sol {
    display: grid;
    grid-template-columns: 330px 1fr;
    align-items: start;
    gap: 64px;
    padding: 54px 0;
    border-bottom: 1px solid var(--line);
}

.sol:first-child {
    padding-top: 8px;
}

.sol:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.sol__side {
    position: sticky;
    top: 104px;
}

.sol__no {
    position: absolute;
    top: -26px;
    right: 0;
    font-size: 68px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -.04em;
    color: #edf3fc;
    user-select: none;
}

.sol__side .icon-badge {
    position: relative;
}

.sol__side h2 {
    margin: 20px 0 12px;
    font-size: 27px;
}

.sol__side > p {
    font-size: 14px;
    line-height: 1.9;
    color: var(--muted);
}

.sol__side .chip-row {
    margin-top: 16px;
}

.sol__block {
    margin-bottom: 28px;
}

.sol__block h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 15px;
}

.sol__block h3::before {
    content: "";
    width: 4px;
    height: 15px;
    border-radius: 2px;
    background: linear-gradient(180deg, #2f6bff, #0ea5e9);
}

.sol__block > p {
    font-size: 14px;
    line-height: 1.95;
    color: var(--muted);
}

.sol__actions {
    display: flex;
    align-items: center;
    gap: 22px;
    flex-wrap: wrap;
    margin-top: 6px;
}

.sol__actions .text-link {
    margin-top: 0;
}

.faq {
    padding: 6px 28px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: #fff;
    box-shadow: var(--shadow-sm);
}

.faq__item {
    border-bottom: 1px solid var(--line-soft);
}

.faq__item:last-child {
    border-bottom: 0;
}

.faq__item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 19px 0;
    font-size: 14.5px;
    font-weight: 600;
    color: var(--navy);
    cursor: pointer;
    list-style: none;
}

.faq__item summary::-webkit-details-marker {
    display: none;
}

.faq__chevron {
    width: 18px;
    height: 18px;
    color: var(--muted-light);
    transition: transform .3s var(--ease);
}

.faq__item[open] .faq__chevron {
    transform: rotate(180deg);
    color: var(--brand);
}

.faq__answer {
    padding: 0 34px 20px 0;
    font-size: 13.5px;
    line-height: 1.95;
    color: var(--muted);
}

/* ==========================================================================
   关于我们页
   ========================================================================== */

.split--about {
    grid-template-columns: 1.1fr .9fr;
    align-items: start;
    gap: 60px;
}

.about-text {
    margin-top: 14px;
    font-size: 14px;
    line-height: 1.95;
    color: var(--muted);
}

.info-card {
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: #fff;
    box-shadow: var(--shadow);
}

.info-card h3 {
    margin-bottom: 18px;
    font-size: 18px;
}

.info-list div {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    padding: 12px 0;
    border-bottom: 1px dashed var(--line);
}

.info-list div:last-child {
    border-bottom: 0;
}

.info-list dt {
    flex: none;
    font-size: 12.5px;
    color: var(--muted-light);
}

.info-list dd {
    max-width: 68%;
    font-size: 13.5px;
    line-height: 1.6;
    color: var(--navy);
    text-align: right;
}

.info-card .btn {
    margin-top: 22px;
}

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

.timeline__item {
    position: relative;
    padding: 38px 34px 0 0;
}

.timeline__item::before {
    content: "";
    position: absolute;
    top: 11px;
    left: 14px;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, #cadeff, rgba(202, 222, 255, 0));
}

.timeline__item::after {
    content: "";
    position: absolute;
    top: 6px;
    left: 0;
    width: 11px;
    height: 11px;
    border: 2px solid var(--brand);
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 0 4px #eff5ff;
}

.timeline__stage {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .14em;
    color: var(--brand);
}

.timeline__item h3 {
    margin: 8px 0 8px;
    font-size: 17px;
}

.timeline__item p {
    font-size: 13.5px;
    line-height: 1.85;
    color: var(--muted);
}

.area-panel {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: #fff;
    box-shadow: var(--shadow-sm);
}

.area-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 10px 18px;
    border: 1px solid #e7eefb;
    border-radius: 999px;
    background: #f5f9ff;
    font-size: 13.5px;
    color: #34506f;
}

.area-chip .ico {
    width: 14px;
    height: 14px;
    color: var(--brand);
}

/* ==========================================================================
   联系我们页
   ========================================================================== */

.contact-grid {
    display: grid;
    grid-template-columns: .95fr 1.05fr;
    align-items: start;
    gap: 56px;
}

.contact-info h2 {
    font-size: clamp(25px, 2.6vw, 32px);
}

.contact-list {
    display: grid;
    gap: 20px;
    margin-top: 32px;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.contact-list__label {
    display: block;
    font-size: 11.5px;
    letter-spacing: .08em;
    color: var(--muted-light);
}

.contact-list__value {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 3px;
    font-size: 16.5px;
    font-weight: 600;
    line-height: 1.6;
    color: var(--navy);
}

a.contact-list__value:hover {
    color: var(--brand);
}

.contact-list__sub {
    display: block;
    margin-top: 3px;
    font-size: 12px;
    color: var(--muted-light);
}

.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 9px;
    border: 0;
    border-radius: 7px;
    background: #eef4ff;
    color: var(--brand);
    font-size: 11px;
    cursor: pointer;
    transition: all .2s;
}

.copy-btn .ico {
    width: 12px;
    height: 12px;
}

.copy-btn:hover {
    background: var(--brand);
    color: #fff;
}

.contact-note {
    display: grid;
    gap: 8px;
    margin-top: 30px;
    padding: 18px 20px;
    border: 1px solid #e1ebff;
    border-radius: 16px;
    background: #f5f9ff;
}

.contact-note > .ico {
    width: 20px;
    height: 20px;
    color: var(--brand);
}

.contact-note p {
    font-size: 12.5px;
    line-height: 1.8;
    color: var(--muted);
}

.contact-note .text-link {
    margin-top: 0;
    font-size: 13px;
}

.form-card {
    padding: 34px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: #fff;
    box-shadow: var(--shadow);
}

.form-card__head h2 {
    font-size: 24px;
}

.form-card__head p {
    margin-top: 8px;
    font-size: 13px;
    line-height: 1.8;
    color: var(--muted);
}

.form {
    display: grid;
    gap: 16px;
    margin-top: 24px;
}

.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form__field {
    display: grid;
    gap: 8px;
}

.form__field > span {
    font-size: 13px;
    font-weight: 600;
    color: #33465f;
}

.form__field input,
.form__field select,
.form__field textarea {
    width: 100%;
    padding: 0 14px;
    border: 1px solid var(--line);
    border-radius: 11px;
    background: #fbfcff;
    font-family: inherit;
    font-size: 14px;
    color: var(--text);
    transition: border-color .2s, box-shadow .2s, background .2s;
}

.form__field input,
.form__field select {
    height: 46px;
}

.form__field textarea {
    min-height: 128px;
    padding: 12px 14px;
    line-height: 1.7;
    resize: vertical;
}

.form__field input::placeholder,
.form__field textarea::placeholder {
    color: #9aa8bd;
}

.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
    border-color: rgba(31, 94, 255, .55);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(31, 94, 255, .08);
    outline: none;
}

.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form__hint {
    font-size: 11.5px;
    line-height: 1.7;
    color: var(--muted-light);
    text-align: center;
}

.alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 18px;
    padding: 15px 16px;
    border: 1px solid;
    border-radius: 14px;
    font-size: 13px;
}

.alert .ico {
    width: 19px;
    height: 19px;
    margin-top: 1px;
}

.alert strong {
    display: block;
    font-size: 13.5px;
}

.alert p {
    margin-top: 2px;
    line-height: 1.7;
}

.alert--ok {
    border-color: #c8efdf;
    background: #edfaf5;
    color: #0b6b52;
}

.alert--error {
    border-color: #ffd6d6;
    background: #fff3f3;
    color: #a12b2b;
}

.toast {
    position: fixed;
    bottom: 28px;
    left: 50%;
    z-index: 200;
    padding: 12px 22px;
    border-radius: 12px;
    background: var(--navy);
    color: #fff;
    font-size: 13px;
    box-shadow: 0 20px 40px -18px rgba(4, 18, 37, .6);
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, 12px);
    transition: opacity .25s, transform .25s;
}

.toast.is-show {
    opacity: 1;
    transform: translate(-50%, 0);
}

/* ==========================================================================
   CTA
   ========================================================================== */

.cta-section {
    padding: 0 0 92px;
}

.cta {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    overflow: hidden;
    padding: 52px 56px;
    border-radius: var(--radius-lg);
    background: linear-gradient(118deg, #0c2e5e 0%, #081c38 62%, #061529 100%);
    color: #fff;
}

.cta::before {
    content: "";
    position: absolute;
    top: -120px;
    right: -80px;
    width: 380px;
    height: 380px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(47, 107, 255, .55), transparent 65%);
    pointer-events: none;
}

.cta::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
    background-size: 52px 52px;
    -webkit-mask-image: radial-gradient(60% 120% at 100% 0%, #000, transparent 70%);
    mask-image: radial-gradient(60% 120% at 100% 0%, #000, transparent 70%);
    pointer-events: none;
}

.cta__copy,
.cta__actions {
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-size: clamp(24px, 2.6vw, 32px);
    color: #fff;
}

.cta p {
    max-width: 520px;
    margin-top: 10px;
    font-size: 14px;
    line-height: 1.85;
    color: rgba(255, 255, 255, .7);
}

.cta__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    flex: none;
}

/* ==========================================================================
   页脚
   ========================================================================== */

.footer {
    background: #06152a;
    color: rgba(255, 255, 255, .66);
}

.footer__main {
    display: grid;
    grid-template-columns: 1.5fr .8fr .8fr 1fr;
    gap: 48px;
    padding-top: 62px;
}

.brand--footer .brand__mark {
    width: 40px;
    height: 40px;
    font-size: 19px;
}

.brand--footer .brand__text strong {
    color: #fff;
}

.brand--footer .brand__text small {
    color: rgba(255, 255, 255, .4);
}

.footer__desc {
    max-width: 360px;
    margin: 18px 0 20px;
    font-size: 12.5px;
    line-height: 1.9;
    color: rgba(255, 255, 255, .5);
}

.footer__contact {
    display: grid;
    gap: 10px;
    font-size: 12.5px;
}

.footer__contact li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.6;
}

.footer__contact .ico {
    width: 15px;
    height: 15px;
    margin-top: 2px;
    color: rgba(255, 255, 255, .38);
}

.footer__contact a:hover {
    color: #fff;
}

.footer__muted {
    color: rgba(255, 255, 255, .38);
}

.footer__col h3 {
    margin-bottom: 16px;
    font-size: 13.5px;
    font-weight: 600;
    color: #fff;
    letter-spacing: .04em;
}

.footer__col > a {
    display: block;
    margin-bottom: 10px;
    font-size: 12.5px;
    color: rgba(255, 255, 255, .6);
    transition: color .2s;
}

.footer__col > a:hover {
    color: #fff;
}

.footer__col--contact p {
    margin-bottom: 8px;
    font-size: 12.5px;
    line-height: 1.7;
    color: rgba(255, 255, 255, .55);
}

.footer__cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    font-size: 13px;
    font-weight: 600;
    color: #7cc7ff;
}

.footer__cta .ico {
    width: 15px;
    height: 15px;
    transition: transform .25s var(--ease);
}

.footer__cta:hover .ico {
    transform: translateX(4px);
}

.footer__bottom {
    margin-top: 48px;
    border-top: 1px solid rgba(255, 255, 255, .08);
}

.footer__bottom-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px 24px;
    padding: 20px 0;
    font-size: 11.5px;
    color: rgba(255, 255, 255, .38);
}

/* ==========================================================================
   滚动显现
   ========================================================================== */

.js [data-reveal] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity .75s var(--ease), transform .75s var(--ease);
}

.js [data-reveal].is-visible {
    opacity: 1;
    transform: none;
}

.grid > [data-reveal]:nth-child(2) {
    transition-delay: .07s;
}

.grid > [data-reveal]:nth-child(3) {
    transition-delay: .14s;
}

.grid > [data-reveal]:nth-child(4) {
    transition-delay: .21s;
}

/* ==========================================================================
   响应式
   ========================================================================== */

@media (max-width: 1080px) {
    .hero__inner {
        grid-template-columns: 1fr;
        gap: 56px;
    }

    .hero {
        padding: 66px 0 100px;
    }

    .hero__copy {
        max-width: 680px;
    }

    .hero__visual {
        justify-self: center;
    }

    .mockup {
        margin-inline: auto;
        transform: none;
    }

    .split {
        gap: 44px;
    }

    .grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .download-tips {
        grid-template-columns: 1fr;
    }

    .sol {
        grid-template-columns: 280px 1fr;
        gap: 44px;
    }

    .cta {
        padding: 44px 40px;
    }
}

@media (max-width: 980px) {
    .topbar {
        display: none;
    }

    .nav {
        position: fixed;
        top: 76px;
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        max-height: calc(100vh - 76px);
        overflow-y: auto;
        padding: 18px 24px 28px;
        border-bottom: 1px solid var(--line);
        background: #fff;
        box-shadow: 0 30px 50px -30px rgba(9, 30, 66, .4);
    }

    body.nav-open .nav {
        display: flex;
    }

    .nav__link {
        padding: 13px 14px;
        font-size: 15.5px;
    }

    .nav__cta {
        height: 48px;
        margin: 10px 0 0;
        font-size: 15px;
    }

    .nav-toggle {
        display: grid;
    }

    .section {
        padding: 72px 0;
    }

    .section--tight {
        padding: 52px 0 68px;
    }

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

    .trust__item:nth-child(3) {
        border-left: 0;
    }

    .trust__item:nth-child(n+3) {
        border-top: 1px solid var(--line-soft);
    }

    .process {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px 24px;
    }

    .process__item {
        padding-right: 0;
    }

    .process__item::before {
        display: none;
    }

    .sol {
        grid-template-columns: 1fr;
        gap: 0;
        padding: 44px 0;
    }

    .sol__side {
        position: static;
        margin-bottom: 26px;
    }

    .sol__no {
        top: -18px;
        font-size: 56px;
    }

    .split--about,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .timeline {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .timeline__item {
        padding: 28px 0 4px 30px;
    }

    .timeline__item::before {
        top: 0;
        bottom: 0;
        left: 5px;
        right: auto;
        width: 1px;
        height: auto;
        background: linear-gradient(180deg, #cadeff, rgba(202, 222, 255, .15));
    }

    .timeline__item::after {
        top: 30px;
        left: 0;
    }

    .timeline__item h3 {
        margin-top: 4px;
    }

    .cta {
        flex-direction: column;
        align-items: flex-start;
        gap: 26px;
        padding: 38px 30px;
    }

    .footer__main {
        grid-template-columns: 1.4fr 1fr;
        gap: 36px;
    }
}

@media (max-width: 860px) {
    .grid--3 {
        grid-template-columns: 1fr;
    }

    .service-card__desc {
        max-width: 620px;
    }

    .split {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .split__visual {
        order: 2;
        max-width: 560px;
        width: 100%;
        margin-inline: auto;
    }

    .chart-float {
        right: 16px;
        bottom: -60px;
    }

    .section__head--row {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    .download-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box {
        min-width: 0;
    }

    .result-line__hint {
        display: none;
    }

    .form-card {
        padding: 26px;
    }
}

@media (max-width: 720px) {
    .container,
    .container--narrow {
        width: min(100% - 36px, var(--container));
    }

    .hero {
        padding: 48px 0 86px;
    }

    .hero__lead {
        font-size: 14.5px;
    }

    .hero__points {
        gap: 8px 18px;
    }

    .hero__points li {
        font-size: 12.5px;
    }

    .mockup__body {
        padding: 14px;
    }

    .mockup__kpis > div {
        padding: 10px;
    }

    .mockup__kpis strong {
        font-size: 17px;
    }

    .float-card {
        display: none;
    }

    .trust {
        margin-top: -34px;
    }

    .trust__value {
        font-size: 19px;
    }

    .chart-float {
        display: none;
    }

    .section {
        padding: 60px 0;
    }

    .section--tight {
        padding: 44px 0 60px;
    }

    .section__head {
        margin-bottom: 32px;
    }

    .grid--4 {
        grid-template-columns: 1fr;
    }

    .process {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .process__item {
        display: grid;
        grid-template-columns: 54px 1fr;
        grid-template-areas:
            "num title"
            "num desc";
        column-gap: 16px;
        align-items: start;
    }

    .process__num {
        grid-area: num;
    }

    .process__item h3 {
        grid-area: title;
        margin: 4px 0 4px;
    }

    .process__item p {
        grid-area: desc;
        margin: 0;
    }

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

    .faq {
        padding: 4px 20px;
    }

    .faq__item summary {
        font-size: 14px;
    }

    .download-tips {
        margin-top: 32px;
    }

    .cta-section {
        padding-bottom: 60px;
    }

    .footer__main {
        grid-template-columns: 1fr;
        gap: 30px;
        padding-top: 48px;
    }

    .footer__bottom {
        margin-top: 34px;
    }

    .footer__bottom-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .page-hero {
        padding: 40px 0 46px;
    }

    .page-hero--slim {
        padding: 32px 0 40px;
    }

    .info-card {
        padding: 24px;
    }

    .contact-list__value {
        font-size: 15.5px;
    }

    .area-panel {
        padding: 22px;
        gap: 9px;
    }

    .area-chip {
        padding: 8px 14px;
        font-size: 12.5px;
    }
}

@media (max-width: 520px) {
    .brand__text small {
        display: none;
    }

    .hero__actions .btn {
        flex: 1;
    }

    .mockup__tr {
        grid-template-columns: 1.3fr 1fr .8fr;
        font-size: 10px;
    }

    .mockup__tr span:nth-child(2) {
        display: none;
    }

    .chart {
        gap: 6px;
    }

    .copy-btn {
        padding: 3px 7px;
    }

    .cta__actions {
        width: 100%;
    }

    .cta__actions .btn {
        flex: 1;
        padding: 0 14px;
        font-size: 13.5px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .js [data-reveal] {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .float-card {
        animation: none;
    }

    *,
    *::before,
    *::after {
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
    }
}