/* ==========================================
   common.css — 头部 & 尾部公共样式
   ========================================== */

/* ========== CSS Variables ========== */
:root {
    --primary: #4F46E5;
    --primary-light: #818CF8;
    --primary-dark: #3730A3;
    --accent: #06B6D4;
    --accent-light: #67E8F9;
    --dark: #0F172A;
    --gray-900: #1E293B;
    --gray-700: #334155;
    --gray-500: #64748B;
    --gray-300: #CBD5E1;
    --gray-100: #F1F5F9;
    --gradient-main: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
    --shadow-md: 0 4px 20px rgba(79,70,229,.12);
    --shadow-lg: 0 10px 40px rgba(79,70,229,.15);
    --shadow-xl: 0 20px 60px rgba(79,70,229,.2);
    --radius: 12px;
    --radius-lg: 20px;
    --header-height: 74px;
}

html {
    scroll-behavior: smooth;
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--dark);
    background: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 { font-weight: 700; letter-spacing: -0.02em; }

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(79,70,229,.08);
    color: var(--primary);
    border-radius: 20px;
    font-size: .85rem;
    font-weight: 600;
    letter-spacing: .3px;
    margin-bottom: 12px;
}
.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 16px;
}
.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 640px;
    margin: 0 auto 40px;
}
@media (max-width: 768px) {
    .section-title { font-size: 1.6rem; }
    .section-subtitle { font-size: 1rem; }
}

/* ==========================================
   HEADER — Navbar
   ========================================== */
.navbar {
    height: 64px;
    padding: 0;
    /* background: #fff; */
    /* border-bottom: 1px solid rgba(0,0,0,.06); */
    transition: background .3s ease, box-shadow .3s ease;
}
.navbar.scrolled {
    background: hsla(0,0%,100%,.88) !important;
    box-shadow: 0 1px 20px rgba(0,0,0,.06);
    border-bottom-color: rgba(0,0,0,.04);
}
.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}
.navbar-brand .brand-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1rem;
    -webkit-text-fill-color: #fff;
}
.navbar-brand img.brand-icon {
    object-fit: contain;
    padding: 3px;
}
.navbar-brand span { color: var(--primary); -webkit-text-fill-color: var(--primary); }

/* Nav links */
.nav-item {
    position: relative;
}
.nav-link {
    font-weight: 500;
    color: #333;
    margin: 0 4px;
    padding: 8px 12px !important;
    font-size: 14px;
    border-radius: 8px;
    transition: all .25s ease;
    line-height: normal;
}
.nav-link:hover {
    color: var(--primary) !important;
    background: rgba(0,0,0,.04);
}
.nav-link.active {
    color: var(--primary) !important;
}
.nav-link a {
    text-decoration: none;
}
/* Scrolled navbar — dark text */
.navbar.scrolled .nav-link {
    color: #333 !important;
}
.navbar.scrolled .nav-link:hover {
    color: #333 !important;
    background: rgba(0,0,0,.05);
}
.navbar.scrolled .nav-link.active {
    color: #333 !important;
}

/* Dropdown — navbar 产品菜单 */
.navbar .dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 2px;
}
.navbar .dropdown-toggle::after {
    display: none !important;
}
.dropdown-caret {
    transition: transform .25s ease;
}
.dropdown-mega:hover .dropdown-caret {
    transform: rotate(180deg);
}

/* Mega menu — hover 触发 */
.dropdown-mega {
    position: relative;
}
.dropdown-mega-menu {
    position: absolute !important;
    left: 340px;
    transform: translateX(-50%) translateY(20px) !important;
    top: 120%;
    width: 680px;
    border-radius: 20px;
    border: 1px solid rgba(0,0,0,.06);
    box-shadow: 0 20px 48px rgba(0,0,0,.1);
    padding: 16px;
    background: #fff;
    opacity: 0;
    visibility: hidden;
    display: block !important;
    pointer-events: none;
    transition: opacity .3s ease, visibility .3s ease, transform .3s ease;
    margin-top: 0 !important;
}
/* 隐形桥接 — 鼠标从按钮移到菜单不会消失 */
.dropdown-mega-menu::before {
    content: "";
    position: absolute;
    top: -20px;
    left: 0;
    right: 0;
    height: 20px;
    background: transparent;
}
.dropdown-mega:hover .dropdown-mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0) !important;
    pointer-events: auto;
}

/* Mega grid — 3 col × 2 rows */
.mega-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
}
.mega-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 12px;
    text-decoration: none;
    transition: background .2s;
}
.mega-item:hover {
    background: rgba(0,0,0,.04);
}
.mega-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(79,70,229,.08);
    color: #4F46E5;
    display: flex;
    align-items: center;
    justify-content: center;
}
.mega-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.mega-title {
    font-size: 14px;
    font-weight: 600;
    color: #1a1a2e;
    line-height: 1.3;
}
.mega-desc {
    font-size: 12px;
    color: #94a3b8;
    line-height: 1.4;
    margin-top: 1px;
}
/* Scrolled state */
.navbar.scrolled .dropdown-toggle {
    color: #333 !important;
}

/* Navbar buttons */
.navbar .btn-outline-light-nav {
    border: 1.5px solid rgba(255,255,255,.25);
    color: #fff;
    font-weight: 500;
    font-size: 14px;
    padding: 6px 20px;
    border-radius: 50px;
    background: transparent;
    transition: all .25s ease;
}
.navbar .btn-outline-light-nav:hover {
    border-color: rgba(255,255,255,.6);
    color: #fff;
    background: rgba(255,255,255,.08);
}
.navbar.scrolled .btn-outline-light-nav {
    border-color: var(--gray-300);
    color: #333;
}
.navbar.scrolled .btn-outline-light-nav:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(0,0,0,.05);
}
.navbar .btn-primary {
    background: var(--gradient-main);
    border: none;
    font-weight: 600;
    font-size: 14px;
    padding: 6px 20px;
    border-radius: 50px;
    transition: all .25s ease;
    box-shadow: 0 2px 10px rgba(79,70,229,.25);
}
.navbar .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(79,70,229,.35);
}

/* Mobile navbar */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: rgba(255,255,255,.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-radius: var(--radius);
        padding: 16px;
        margin-top: 12px;
        box-shadow: 0 10px 40px rgba(0,0,0,.08);
        border: 1px solid var(--gray-100);
    }
    .nav-link {
        padding: 12px 16px !important;
        border-radius: 8px;
    }
    .nav-link::after { display: none; }
    .navbar .d-flex.gap-2 {
        margin-top: 12px;
        padding-top: 12px;
        border-top: 1px solid var(--gray-100);
    }
    .navbar .d-flex.gap-2 .btn {
        flex: 1;
        text-align: center;
    }
}

/* Hamburger icon — brand color */
.navbar-toggler {
    border: none;
    padding: 6px;
    border-radius: 8px;
    transition: background .2s;
}
.navbar-toggler:focus {
    box-shadow: none;
    background: rgba(79,70,229,.08);
}
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%234F46E5' stroke-width='2.5' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E") !important;
}

/* ==========================================
   HEADER — Hero
   ========================================== */
.hero {
    padding: 140px 0 0;
    background: radial-gradient(900px 430px at 50% 0,rgba(52,72,142,.36),rgba(2,9,58,0) 70%),linear-gradient(180deg,#040d43,#02083b 46%,#030838);
    color: #fff;
    position: relative;
    overflow: hidden;
    min-height: 85vh;
    display: flex;
    align-items: center;
}

/* --- Hero decorative elements --- */
.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(52,72,142,.2) 0%, transparent 65%);
    border-radius: 50%;
    pointer-events: none;
    animation: heroOrbA 8s ease-in-out infinite alternate;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -25%;
    left: -8%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(2,9,58,.2) 0%, transparent 65%);
    border-radius: 50%;
    pointer-events: none;
    animation: heroOrbB 10s ease-in-out infinite alternate;
}

@keyframes heroOrbA {
    0%   { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-60px, 40px) scale(1.08); }
}
@keyframes heroOrbB {
    0%   { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, -30px) scale(1.1); }
}

/* Hero grid overlay */
.hero .hero-grid {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

/* Hero spotlight glow */
.hero .hero-spotlight {
    position: absolute;
    left: 50%;
    top: 0;
    width: max(980px,116vw);
    height: 590px;
    transform: translateX(-50%);
    z-index: 1;
    pointer-events: none;
    background: radial-gradient(ellipse 43% 40% at 50% 39%,hsla(0,0%,100%,.095) 0,rgba(218,228,255,.068) 40%,rgba(155,180,255,.024) 74%,rgba(95,130,255,0) 100%),linear-gradient(111deg,hsla(0,0%,100%,0),rgba(180,200,255,.018) 24%,rgba(235,241,255,.07) 50%,rgba(180,200,255,.018) 76%,hsla(0,0%,100%,0));
    clip-path: polygon(50% 0,96% 100%,4% 100%);
    filter: blur(44px);
    opacity: .78;
    mix-blend-mode: screen;
}

/* Hero SVG decorative lines */
.hero .hero-svg-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}
.hero .hero-svg-bg svg {
    width: 100%;
    height: 100%;
}
.hero .hero-svg-bg path {
    stroke: #2f8fff;
    stroke-width: 4.2;
    stroke-linecap: round;
    stroke-linejoin: round;
    opacity: .48;
    filter: drop-shadow(0 0 6px rgba(47,143,255,.18));
    stroke-dasharray: 4000;
    stroke-dashoffset: 4000;
    animation: drawLine 4s cubic-bezier(.16,1,.3,1) forwards;
}
.hero .hero-svg-bg path:nth-child(2),
.hero .hero-svg-bg path:nth-child(5) {
    stroke-width: 3.4;
    opacity: .34;
    animation-delay: .22s;
}
.hero .hero-svg-bg path:nth-child(3),
.hero .hero-svg-bg path:nth-child(6) {
    stroke-width: 3;
    opacity: .24;
    animation-delay: .42s;
}

@keyframes drawLine {
    to { stroke-dashoffset: 0; }
}

/* Floating icons */
.hero .hero-dots {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}
.hero .hero-dots:before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(780px 420px at 6% 76%,rgba(43,72,230,.18),transparent 68%),radial-gradient(760px 420px at 94% 74%,rgba(61,87,236,.18),transparent 66%);
    pointer-events: none;
    z-index: 0;
}
.hero .hero-dots span {
    position: absolute;
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #6fc2ff;
    background: linear-gradient(180deg,rgba(33,108,205,.34),rgba(6,24,76,.72)),rgba(5,18,64,.58);
    border-radius: 50%;
    border: 1px solid rgba(111,194,255,.42);
    backdrop-filter: blur(10px);
    box-shadow: inset 0 1px 0 hsla(0,0%,100%,.22), 0 10px 22px rgba(0,0,0,.3), 0 0 0 4px rgba(47,143,255,.07), 0 0 20px rgba(47,143,255,.26);
    animation: floatIcon 5.4s ease-in-out infinite;
    transform: translateZ(0);
}
.hero .hero-dots span svg {
    width: 22px;
    height: 22px;
}
.hero .hero-dots span:nth-child(1) { top: 24.2%; left: 15.6%; animation-delay: 0s; }
.hero .hero-dots span:nth-child(2) { top: 43%;   left: 5.6%;  animation-delay: .7s; }
.hero .hero-dots span:nth-child(3) { top: 57.5%; left: 10.4%; animation-delay: 1.4s; }
.hero .hero-dots span:nth-child(4) { top: 73.8%; left: 10%;   animation-delay: 2.1s; }
.hero .hero-dots span:nth-child(5) { top: 24.4%; right: 12.2%;animation-delay: .4s; }
.hero .hero-dots span:nth-child(6) { top: 38%;   right: 10.6%;animation-delay: 1.1s; }
.hero .hero-dots span:nth-child(7) { top: 49%;   right: 14.4%;animation-delay: 1.8s; }
.hero .hero-dots span:nth-child(8) { top: 65.2%; right: 3.6%; animation-delay: 2.5s; }

@keyframes floatIcon {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-14px); }
}

/* --- Hero inner (stacked layout) --- */
.hero-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 48px;
}

/* --- Hero content (centered) --- */
.hero .hero-content {
    position: relative;
    z-index: 2;
    max-width: 780px;
    margin: 0 auto;
}

/* Title — Line 1 */
.hero-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    margin-bottom: 20px;
}
.hero-line1 {
    font-size: clamp(36px,9.2vw,72px);
    font-weight: 700;
    line-height: 1.1;
    animation: heroFadeUp .8s ease forwards;
    color: #fff;
}

/* Title — Line 2 rotating text */
.hero-line2 {
    font-size: clamp(36px,9.2vw,72px);
    font-weight: 700;
    line-height: 1.1;
    animation: heroFadeUp .8s ease .1s forwards;
    opacity: 0;
}
.hero-action-frame {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.hero-action-ghost {
    visibility: hidden;
    display: block;
}
.hero-action-phrase {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #5B7FFF 0%, #00D4FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    transform: translateY(16px);
    transition: all .45s cubic-bezier(.4,0,.2,1);
    pointer-events: none;
}
.hero-action-phrase.hero-action-phrase-active {
    opacity: 1;
    transform: translateY(0);
}
.hero-action-phrase.hero-action-phrase-leave {
    opacity: 0;
    transform: translateY(-16px);
}

.hero .hero-sub {
    font-size: 1.05rem;
    color: rgba(255,255,255,.55);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.7;
    animation: heroFadeUp .8s ease .2s forwards;
    opacity: 0;
}

/* --- Hero actions / buttons --- */
.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    animation: heroFadeUp .8s ease .35s forwards;
    opacity: 0;
}
.hero-actions .btn {
    font-weight: 600;
    font-size: 1rem;
    padding: 13px 22px;
    border-radius: 8px;
    transition: all .3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-hero-primary {
    background: linear-gradient(135deg, #5B7FFF 0%, #3D5AF5 100%);
    border: none;
    color: #fff;
    box-shadow: 0 4px 20px rgba(59,90,245,.3);
}
.btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(59,90,245,.4);
    color: #fff;
}
.btn-hero-ghost {
    border: 1.5px solid rgba(255,255,255,.2);
    color: rgba(255,255,255,.85);
    background: transparent;
}
.btn-hero-ghost:hover {
    border-color: rgba(255,255,255,.5);
    color: #fff;
    background: rgba(255,255,255,.06);
    transform: translateY(-2px);
}

@keyframes heroFadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* --- Hero mockup --- */
.hero-mockup {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 900px;
    animation: heroFadeUp .8s ease .5s forwards;
    opacity: 0;
}
.hero-mockup .mockup-wrapper {
    position: relative;
    padding: 6px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(91,127,255,.25), rgba(0,212,255,.12));
}
.hero-mockup-img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 10px;
    background: rgba(255,255,255,.03);
}

/* Hero responsive */
@media (max-width: 991.98px) {
    .hero { min-height: auto; padding: 120px 0 60px; }
    .hero-line1,
    .hero-line2 { font-size: 2.4rem; }
    .hero .hero-sub { max-width: 100%; }
}
@media (max-width: 768px) {
    .hero { padding: 100px 0 40px; text-align: center; }
    .hero-line1,
    .hero-line2 { font-size: 1.8rem; }
    .hero-inner { gap: 32px; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .hero-mockup .mockup-wrapper { padding: 4px; }
}

/* ==========================================
   CTA Section
   ========================================== */
.cta-section {
    scroll-margin-top: 80px;
    padding: 100px 0;
    background: radial-gradient(800px 400px at 50% 0,rgba(0,117,222,.22),transparent 65%),radial-gradient(600px 400px at 20% 100%,rgba(152,73,232,.16),transparent 65%);
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
    background-color: #02093a;
}
.cta-inner {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 24px;
}
.cta-h {
    font-size: clamp(36px,5vw,64px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -.02em;
    margin: 0 0 16px;
    color: #fff;
}
.cta-sub {
    font-size: clamp(15px,1.2vw,18px);
    line-height: 1.6;
    color: rgba(255,255,255,.55);
    margin: 0 0 36px;
}
.cta-btns {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}
.cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: 8px;
    background: #0075de;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    transition: transform .25s, box-shadow .25s;
}
.cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,117,222,.35);
    color: #fff;
}
.cta-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: 8px;
    background: transparent;
    color: rgba(255,255,255,.7);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    border: 1.5px solid rgba(255,255,255,.15);
    transition: border-color .25s, color .25s;
}
.cta-ghost:hover {
    border-color: rgba(255,255,255,.35);
    color: #fff;
}

/* ==========================================
   FOOTER — Site Footer
   ========================================== */
.footerTop {
    background: #1C2B41;
    color: rgba(255,255,255,.65);
    padding-top: 30px;
    font-size: 14px;
}
.footerTop a {
    color: rgba(255,255,255,.65);
    text-decoration: none;
    transition: color .25s;
}
.footerTop a:hover {
    color: #fff;
}
.topContainer {
    display: flex;
    justify-content: space-between;
}
.topContainer .logo {
    flex-shrink: 0;
    width: 240px;
    text-align: center;
}
.topContainer .logo .imgs {
    max-width: 100px;
    height: auto;
    display: inline-block;
}
.topContainer .logo .brand-text {
    font-weight: 800;
    font-size: 17.5px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 4px;
}
.rightWrap {
    flex: 1;
    display: flex;
    justify-content: space-between;
    max-width: 1000px;
}
.rightWrap .left {
    flex: 1;
}
.dlWrap {
    display: flex;
    gap: 100px;
}
.dlWrap dl {
    margin: 0;
}
.dlWrap dl dt {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}
.dlWrap dl dd {
    margin: 0 0 10px;
    font-size: 13px;
}
.dlWrap dl dd.flex {
    display: flex;
    gap: 30px;
}
.dlWrap dl dd.flex dl {
    min-width: auto;
}
.dlWrap dl dd.flex dl dd {
    white-space: nowrap;
}
.rightWrap .right {
    flex-shrink: 0;
    width: 188px;
    display: flex;
    align-items: center;
}
.rightWrap .right .img-wrapper .content {
    text-align: center;
}
.rightWrap .right .img-wrapper .content .textCenter img {
    width: 160px;
    height: 160px;
    display: inline-block;
}
.rightWrap .right .img-wrapper .content .title {
    color: rgba(255,255,255,.5);
    font-size: 16px;
    margin-top: 8px;
    text-align: center;
    margin-bottom: 0;
}
.copyright {
    text-align: center;
    padding: 10px 0 10px;
    border-top: 1px solid rgba(255,255,255,.08);
    margin-top: 20px;
    font-size: 13px;
    color: rgba(255,255,255,.4);
}

/* Footer link hover */
.footer-link-hover {
    transition: color .2s;
}
.footer-link-hover:hover {
    color: #5B7FFF !important;
}

@media (max-width: 991.98px) {
    .topContainer {
        flex-direction: column;
        align-items: center;
    }
    .rightWrap {
        flex-direction: column;
        align-items: center;
        max-width: 100%;
    }
    .dlWrap {
        flex-wrap: wrap;
        gap: 30px;
        justify-content: center;
    }
    .dlWrap dl dd.flex {
        gap: 20px;
    }
    .rightWrap .right {
        margin-top: 30px;
    }
}

/* ==========================================
   Stats strip
   ========================================== */
.trust-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px 40px;
    padding: 20px 0;
    background-color: #fff;
}
.trust-hashtag {
    font-size: 14px;
    font-weight: 500;
    color: rgba(0,0,0,.45);
    white-space: nowrap;
}
@media (max-width: 540px) {
    .trust-stats {
        gap: 12px 24px;
        justify-content: flex-start;
    }
}

/* ==========================================
   FOOTER — QR Code Placeholder
   ========================================== */
.qr-placeholder {
    width: 120px;
    height: 120px;
    background: rgba(255,255,255,.06);
    border: 1px dashed rgba(255,255,255,.15);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    color: rgba(255,255,255,.3);
    font-size: .8rem;
}

/* ========== Animations ========== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all .6s ease;
}
.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== Hero 轮播图按钮 (index.html) ========== */
#heroCarousel {
    position: relative;
}
#heroCarousel .carousel-inner {
    overflow:visible;
    display: flex;
    align-items: center;
}
#heroCarousel .carousel-inner .hero-mockup-img {
    height: 100%;
    object-fit: cover;
}
#heroCarousel .carousel-control-prev {
    left: -66px;
    width: 40px;
    height: 40px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,.15);
    border-radius: 50%;
    opacity: 1;
}
#heroCarousel .carousel-control-next {
    right: -66px;
    width: 40px;
    height: 40px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,.15);
    border-radius: 50%;
    opacity: 1;
}
#heroCarousel .carousel-control-prev:hover,
#heroCarousel .carousel-control-next:hover {
    background: rgba(255,255,255,.3);
}
@media (max-width: 768px) {
    #heroCarousel .carousel-control-prev { left: -10px; }
    #heroCarousel .carousel-control-next { right: -10px; }
}
/* 通用按钮 */
.loginBox {
    position: relative !important;
    top: auto !important;
    right: 0 !important;
    padding-bottom: 20px;
    margin-bottom: -20px;
}
.btn-login , .loginButton{
    background: var(--gradient-main) !important;
    border: none !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    border-radius: 50px !important;
    transition: all .25s ease !important;
    box-shadow: 0 2px 10px rgba(79,70,229,.25) !important;
    color: #fff !important;
    padding: 0 24px !important;
    position: relative !important;
    width: auto !important;
    line-height: 32px !important;
}
.FloatingWindow {
    position: absolute;
    top: 0px;
    right: 0px;
}

/* 加速轮播切换过渡 */
.carousel-fade .active.carousel-item-end,.carousel-fade .active.carousel-item-start {
    z-index: 0;
    opacity: 0;
    transition: opacity 0s .1s
}

/* ==========================================
   CTA Section (about-style, shared)
   ========================================== */
.about-fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.about-fade-in.about-visible {
    opacity: 1;
    transform: translateY(0);
}
.about-cta-section {
    scroll-margin-top: 80px;
    padding: 100px 0;
    background:
        radial-gradient(800px 400px at 50% 0, rgba(0,117,222,.22), transparent 65%),
        radial-gradient(600px 400px at 20% 100%, rgba(152,73,232,.16), transparent 65%);
    background-color: #02093a;
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.about-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.about-cta {
    text-align: center;
    padding: 0;
}
.about-cta h2 {
    color: #fff;
    font-size: clamp(36px,5vw,64px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -.02em;
    margin: 0 0 16px;
}
.about-cta > p {
    color: rgba(255,255,255,.7);
    font-size: clamp(18px,2.5vw,24px);
    margin: 0 0 24px;
}
.about-cta-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px 24px;
    margin-bottom: 28px;
}
.about-cta-features span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: rgba(255,255,255,.85);
    font-weight: 500;
    border: 1px solid rgba(255,255,255,.15);
    padding: 6px 14px;
    border-radius: 20px;
    background: rgba(255,255,255,.06);
}
.about-cta-features span svg {
    flex-shrink: 0;
    color: #fff;
}
.about-cta-section .cta-btns {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 28px;
}
.about-cta-section .cta-btns .btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    background: linear-gradient(135deg, #5B7FFF 0%, #3D5AF5 100%);
    border: none;
    color: #fff;
    box-shadow: 0 4px 20px rgba(59,90,245,.3);
    text-decoration: none;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.about-cta-section .cta-btns .btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(59,90,245,.4);
    color: #fff;
}
.about-cta-section .cta-btns .btn-hero-primary svg {
    width: 14px;
    height: 14px;
}