:root {
    --primary-blue: #2563EB;
    --hover-blue: #3B82F6;
    --dark-blue: #1E40AF;
    --bg-color: #F8FAFC;
    --card-bg: #FFFFFF;
    --text-main: #1E293B;
    --text-secondary: #64748B;
    --border-color: #E2E8F0;
    --footer-bg: #1E293B;
    --white: #FFFFFF;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background:
        radial-gradient(920px 520px at -10% 7%, rgba(96, 165, 250, 0.34) 0%, rgba(96, 165, 250, 0.18) 26%, rgba(96, 165, 250, 0.06) 44%, rgba(96, 165, 250, 0) 70%),
        radial-gradient(860px 500px at 110% 8%, rgba(125, 211, 252, 0.3) 0%, rgba(125, 211, 252, 0.15) 28%, rgba(125, 211, 252, 0.05) 46%, rgba(125, 211, 252, 0) 70%),
        radial-gradient(960px 540px at 14% 34%, rgba(191, 219, 254, 0.22) 0%, rgba(191, 219, 254, 0.1) 26%, rgba(191, 219, 254, 0.04) 42%, rgba(191, 219, 254, 0) 68%),
        radial-gradient(980px 560px at 88% 38%, rgba(96, 165, 250, 0.2) 0%, rgba(96, 165, 250, 0.1) 28%, rgba(96, 165, 250, 0.04) 44%, rgba(96, 165, 250, 0) 68%),
        radial-gradient(1080px 620px at 50% 58%, rgba(191, 219, 254, 0.16) 0%, rgba(191, 219, 254, 0.08) 28%, rgba(191, 219, 254, 0.03) 44%, rgba(191, 219, 254, 0) 70%),
        radial-gradient(980px 560px at 10% 86%, rgba(147, 197, 253, 0.24) 0%, rgba(147, 197, 253, 0.1) 28%, rgba(147, 197, 253, 0.04) 44%, rgba(147, 197, 253, 0) 68%),
        radial-gradient(980px 560px at 92% 90%, rgba(59, 130, 246, 0.22) 0%, rgba(59, 130, 246, 0.1) 28%, rgba(59, 130, 246, 0.04) 44%, rgba(59, 130, 246, 0) 68%),
        linear-gradient(180deg, #FCFDFF 0%, #F7FAFF 38%, #F4F8FF 100%);
    color: var(--text-main);
    line-height: 1.6;
    position: relative;
    min-height: 100vh;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(rgba(37, 99, 235, 0.022) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.022) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.28) 0%, rgba(0, 0, 0, 0.12) 30%, rgba(0, 0, 0, 0.08) 62%, rgba(0, 0, 0, 0) 100%);
    -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.28) 0%, rgba(0, 0, 0, 0.12) 30%, rgba(0, 0, 0, 0.08) 62%, rgba(0, 0, 0, 0) 100%);
    z-index: -2;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 16%, rgba(255, 255, 255, 0) 36%);
    z-index: -2;
}

/* Header */
header {
    background: rgba(37, 99, 235, 0.78);
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12);
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

header::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -8px;
    height: 16px;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(125, 186, 255, 0.2) 0%, rgba(221, 238, 255, 0.16) 48%, rgba(255, 255, 255, 0) 100%);
    filter: blur(8px);
    opacity: 0.9;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}

nav a:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    background: transparent;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(1040px 540px at -12% 10%, rgba(96, 165, 250, 0.34) 0%, rgba(96, 165, 250, 0.18) 30%, rgba(96, 165, 250, 0.06) 48%, rgba(96, 165, 250, 0) 72%),
        radial-gradient(1040px 560px at 112% 12%, rgba(125, 211, 252, 0.32) 0%, rgba(125, 211, 252, 0.17) 30%, rgba(125, 211, 252, 0.06) 48%, rgba(125, 211, 252, 0) 72%),
        radial-gradient(920px 420px at 50% 22%, rgba(191, 219, 254, 0.18) 0%, rgba(191, 219, 254, 0.08) 32%, rgba(191, 219, 254, 0.02) 48%, rgba(191, 219, 254, 0) 74%),
        radial-gradient(1180px 420px at 50% 96%, rgba(147, 197, 253, 0.24) 0%, rgba(147, 197, 253, 0.12) 28%, rgba(147, 197, 253, 0.05) 44%, rgba(147, 197, 253, 0) 76%),
        linear-gradient(180deg, rgba(244, 248, 255, 0.22) 0%, rgba(248, 251, 255, 0.08) 40%, rgba(255, 255, 255, 0) 100%);
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(rgba(37, 99, 235, 0.022) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.022) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.18) 0%, rgba(0, 0, 0, 0.08) 36%, rgba(0, 0, 0, 0) 100%);
    -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.18) 0%, rgba(0, 0, 0, 0.08) 36%, rgba(0, 0, 0, 0) 100%);
    opacity: 1;
}

.hero + section,
#features,
.workflow,
#advantages,
#ai-agent,
#pricing,
#partnerships,
#feedback,
#contact-cta {
    position: relative;
    z-index: 0;
    isolation: isolate;
}

.hero + section::before,
#features::before,
.workflow::before,
#advantages::before,
#ai-agent::before,
#pricing::before,
#partnerships::before,
#feedback::before,
#contact-cta::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    width: min(1180px, 88vw);
    height: 1px;
    transform: translateX(-50%);
    background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(96, 165, 250, 0.18) 18%, rgba(255, 255, 255, 0.92) 50%, rgba(96, 165, 250, 0.18) 82%, rgba(255, 255, 255, 0) 100%);
    opacity: 0.9;
    pointer-events: none;
    z-index: -1;
}

.hero + section::after,
#features::after,
.workflow::after,
#advantages::after,
#ai-agent::after,
#pricing::after,
#partnerships::after,
#feedback::after,
#contact-cta::after {
    content: "";
    position: absolute;
    left: clamp(14px, 3vw, 40px);
    right: clamp(14px, 3vw, 40px);
    top: 1rem;
    bottom: 1rem;
    border-radius: 34px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.28) 0%, rgba(255, 255, 255, 0.12) 100%);
    border: 1px solid rgba(255, 255, 255, 0.42);
    box-shadow: 0 22px 54px rgba(37, 99, 235, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.52);
    backdrop-filter: blur(24px) saturate(130%);
    -webkit-backdrop-filter: blur(24px) saturate(130%);
    pointer-events: none;
    z-index: -1;
}

.hero + section::after,
#features::after,
#advantages::after,
#ai-agent::after,
#pricing::after,
#partnerships::after,
#feedback::after,
#contact-cta::after {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.28) 0%, rgba(255, 255, 255, 0.12) 100%);
}

.workflow::after,
#ai-agent::after,
#pricing::after,
#contact-cta::after {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.13) 100%);
}

.hero-layout {
    display: flex;
    justify-content: center;
}

.hero-copy {
    text-align: left;
    max-width: 920px;
}

.hero-copy-centered {
    text-align: center;
    margin: 0 auto;
}

.hero-product {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    line-height: 1;
}

.hero-product-cn {
    color: #1944de;
    font-size: 4.45rem;
    font-weight: 950;
    letter-spacing: 0.025em;
}

.hero h1 {
    font-size: 3.15rem;
    line-height: 1.12;
    margin-bottom: 1.1rem;
    font-weight: 800;
}

.hero-title-primary {
    color: #2563EB;
}

.hero-subtitle-block {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: nowrap;
    gap: 1.8rem;
    margin-bottom: 2.6rem;
}

.hero-subtitle-line {
    color: #3B6FE3;
    font-size: 1.34rem;
    font-weight: 700;
    line-height: 1.35;
    white-space: nowrap;
}

.hero-subtitle-line-secondary {
    color: #5D86EA;
}

.cta-group {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.1rem;
}

.hero-result-points {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.9rem;
    margin: 0 0 1.7rem;
}

.hero-result-points span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.72rem 1.05rem;
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.74) 0%, rgba(255, 255, 255, 0.52) 100%);
    border: 1px solid rgba(255, 255, 255, 0.72);
    color: #334155;
    font-size: 0.94rem;
    font-weight: 600;
    box-shadow: 0 22px 40px rgba(37, 99, 235, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(14px) saturate(145%);
    -webkit-backdrop-filter: blur(14px) saturate(145%);
    min-height: 50px;
    min-width: 210px;
    white-space: nowrap;
}

.hero-trust-line {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    color: #4C6385;
    font-size: 0.96rem;
    letter-spacing: 0.015em;
    margin-top: 0.2rem;
    width: fit-content;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding: 0.65rem 1rem;
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0.44) 100%);
    border: 1px solid rgba(255, 255, 255, 0.74);
    box-shadow: 0 22px 40px rgba(15, 23, 42, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(14px) saturate(150%);
    -webkit-backdrop-filter: blur(14px) saturate(150%);
}

.hero-trust-line span {
    position: relative;
    padding: 0 0.1rem;
    font-weight: 500;
    line-height: 1.6;
}

.hero-trust-line span + span::before {
    content: "|";
    color: #9AA9C2;
    margin-right: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    border-radius: 14px;
    font-weight: bold;
    text-decoration: none;
    transition: transform 0.18s ease, box-shadow 0.22s ease, background-color 0.22s ease, border-color 0.22s ease, color 0.22s ease;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    --tilt-x: 0deg;
    --tilt-y: 0deg;
    --glow-x: 50%;
    --glow-y: 28%;
    transform: perspective(900px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y));
    transform-style: preserve-3d;
    backdrop-filter: blur(18px) saturate(155%);
    -webkit-backdrop-filter: blur(18px) saturate(155%);
}

.btn::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background:
        radial-gradient(circle at var(--glow-x) var(--glow-y), rgba(255, 255, 255, 0.14) 0%, rgba(255, 255, 255, 0.04) 18%, rgba(255, 255, 255, 0) 48%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.01) 100%);
    pointer-events: none;
    opacity: 0.45;
}

.btn::after {
    content: "";
    position: absolute;
    inset: 1px;
    border-radius: inherit;
    border-top: none;
    pointer-events: none;
    opacity: 0;
}

.btn-primary {
    background: linear-gradient(180deg, rgba(59, 130, 246, 0.96) 0%, rgba(37, 99, 235, 0.92) 38%, rgba(29, 78, 216, 0.9) 100%);
    color: var(--white);
    border: 1px solid rgba(191, 219, 254, 0.42);
    box-shadow: 0 18px 34px rgba(37, 99, 235, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.btn-primary:hover {
    background: linear-gradient(180deg, rgba(52, 118, 244, 0.96) 0%, rgba(40, 108, 238, 0.94) 52%, rgba(29, 78, 216, 0.92) 100%);
    border-color: rgba(219, 234, 254, 0.48);
    box-shadow: 0 20px 36px rgba(37, 99, 235, 0.28);
}

.btn-primary:hover::before {
    background:
        radial-gradient(circle at var(--glow-x) var(--glow-y), rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.03) 18%, rgba(255, 255, 255, 0) 48%);
    opacity: 0.32;
}

.btn-outline {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.66) 0%, rgba(239, 246, 255, 0.48) 100%);
    color: var(--primary-blue);
    border: 1px solid rgba(96, 165, 250, 0.32);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.07), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.72) 0%, rgba(219, 234, 254, 0.56) 100%);
    border-color: rgba(96, 165, 250, 0.42);
    box-shadow: 0 16px 32px rgba(15, 23, 42, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.32);
}

.btn:active {
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}

.btn-primary:active {
    box-shadow: 0 12px 24px rgba(37, 99, 235, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.btn-outline:active {
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

/* Common Grid & Cards */
.features {
    padding: 5rem 0;
    position: relative;
    background: transparent;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.section-title p {
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

#features .features-grid,
#advantages .features-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.76) 0%, rgba(255, 255, 255, 0.56) 100%);
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease, background 0.28s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 42px rgba(15, 23, 42, 0.06), 0 10px 30px rgba(37, 99, 235, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(22px) saturate(138%);
    -webkit-backdrop-filter: blur(22px) saturate(138%);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 28px 54px rgba(15, 23, 42, 0.08), 0 16px 40px rgba(37, 99, 235, 0.07), inset 0 1px 0 rgba(255, 255, 255, 0.82);
    border-color: rgba(255, 255, 255, 0.8);
}

.feature-card::before,
.step-card::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(120% 84% at 50% -12%, rgba(255, 255, 255, 0.28) 0%, rgba(255, 255, 255, 0.12) 30%, rgba(255, 255, 255, 0) 68%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.03) 34%, rgba(255, 255, 255, 0) 100%);
    opacity: 0.92;
}

.feature-icon {
    margin-bottom: 1.5rem;
    color: var(--primary-blue);
    background: linear-gradient(180deg, rgba(239, 246, 255, 0.94) 0%, rgba(219, 234, 254, 0.78) 100%);
    border: 1px solid rgba(191, 219, 254, 0.92);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.84);
    padding: 1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
    position: relative;
    z-index: 1;
}

.feature-card p {
    color: var(--text-secondary);
    text-align: left;
    text-indent: 2em;
    position: relative;
    z-index: 1;
}

.proof-feature {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: stretch;
    max-width: 1180px;
    margin: 0 auto 1.4rem;
}

.proof-copy {
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.proof-copy-top h3 {
    max-width: 760px;
}

.proof-copy-top p {
    max-width: 760px;
}

.proof-kicker {
    display: inline-flex;
    padding: 0.34rem 0.7rem;
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.72) 0%, rgba(239, 246, 255, 0.52) 100%);
    border: 1px solid rgba(191, 219, 254, 0.72);
    color: #5D7FC8;
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.78);
    margin-bottom: 0.9rem;
}

.proof-copy h3 {
    font-size: 1.9rem;
    line-height: 1.35;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.proof-lead {
    max-width: 860px;
    font-size: 1.42rem;
    line-height: 1.45;
    margin-bottom: 0.9rem;
    color: #3E5478;
    font-weight: 800;
    letter-spacing: 0.01em;
}

.proof-support {
    max-width: 980px;
    white-space: nowrap;
}

.proof-copy p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.proof-points {
    list-style: none;
    display: grid;
    gap: 0.95rem;
    max-width: 1180px;
    margin: 0 auto;
}

.proof-points-compact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.proof-points li {
    padding: 0.95rem 1rem;
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
    border: 1px solid #DCE6F5;
    border-radius: 16px;
    color: #334155;
    font-weight: 500;
    display: grid;
    gap: 0.22rem;
}

.proof-point-label {
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.01em;
    color: #1D4ED8;
}

.proof-point-result {
    font-size: 0.9rem;
    line-height: 1.6;
    color: #5B6B84;
}

.proof-image {
    border-radius: 24px;
    overflow: hidden;
    background: linear-gradient(180deg, #F4F8FF 0%, #E7F0FF 100%);
    border: 1px solid rgba(148, 163, 184, 0.18);
    box-shadow: 0 28px 70px rgba(15, 23, 42, 0.12);
}

/* Carousel Styles */
.carousel-container {
    position: relative;
    max-width: 100%;
    border-radius: 24px;
    overflow: hidden;
    background: linear-gradient(180deg, #F4F8FF 0%, #E7F0FF 100%);
    border: 1px solid rgba(148, 163, 184, 0.18);
    box-shadow: 0 28px 70px rgba(15, 23, 42, 0.12);
}

.carousel-slide {
    display: none;
    position: relative;
}

.carousel-slide img {
    width: 100%;
    display: block;
    height: auto;
}

.carousel-overlay {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    max-width: none;
    padding: 1rem 1.35rem 1.05rem;
    color: #F8FBFF;
    background: linear-gradient(180deg, rgba(37, 99, 235, 0) 0%, rgba(29, 78, 216, 0.68) 36%, rgba(29, 78, 216, 0.9) 100%);
    backdrop-filter: blur(3px);
}

.carousel-overlay-kicker {
    display: inline-flex;
    align-items: center;
    padding: 0.24rem 0.56rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: #EFF6FF;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    margin-bottom: 0.45rem;
}

.carousel-overlay h4 {
    max-width: 720px;
    font-size: 1.08rem;
    line-height: 1.45;
    font-weight: 700;
    margin-bottom: 0.18rem;
    color: #FFFFFF;
}

.carousel-overlay p {
    max-width: 760px;
    color: rgba(241, 245, 249, 0.88);
    font-size: 0.84rem;
    line-height: 1.62;
}

.carousel-prev, .carousel-next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: 48px;
    height: 48px;
    margin-top: -24px;
    color: white;
    font-weight: bold;
    font-size: 24px;
    transition: 0.3s ease;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
    background-color: rgba(15, 23, 42, 0.3);
    backdrop-filter: blur(4px);
    text-decoration: none;
}

.carousel-prev {
    left: 16px;
}

.carousel-next {
    right: 16px;
}

.carousel-prev:hover, .carousel-next:hover {
    background-color: rgba(37, 99, 235, 0.9);
    color: white;
}

.active-point {
    background: linear-gradient(180deg, #EFF6FF 0%, #FFFFFF 100%) !important;
    border-color: #93C5FD !important;
    color: #1D4ED8 !important;
    box-shadow: 0 12px 24px rgba(37, 99, 235, 0.12);
    transform: translateY(-2px);
}

.proof-points li {
    cursor: pointer;
    transition: all 0.3s ease;
}

.proof-points li:hover {
    background: #F8FBFF;
    transform: translateY(-2px);
}

/* Fading animation */
.fade {
    animation-name: fade;
    animation-duration: 0.8s;
}

@keyframes fade {
    from {opacity: .6} 
    to {opacity: 1}
}

.proof-extra {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.proof-extra-item {
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: 14px;
    padding: 1rem 1.1rem;
    display: grid;
    gap: 0.45rem;
}

.proof-extra-item strong {
    color: var(--text-main);
    font-size: 0.92rem;
}

.proof-extra-item span {
    color: var(--text-secondary);
    line-height: 1.7;
}

.adv-card {
    border: 1px solid rgba(255, 255, 255, 0.72);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.78) 0%, rgba(255, 255, 255, 0.58) 100%);
    box-shadow: 0 20px 42px rgba(15, 23, 42, 0.06), 0 10px 30px rgba(37, 99, 235, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.8);
}
.adv-card:hover {
    box-shadow: 0 28px 54px rgba(15, 23, 42, 0.08), 0 16px 40px rgba(37, 99, 235, 0.07), inset 0 1px 0 rgba(255, 255, 255, 0.84);
    transform: translateY(-6px);
}
.adv-card h3 {
    color: var(--primary-blue);
}
.adv-icon {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    background: linear-gradient(180deg, rgba(239, 246, 255, 0.94) 0%, rgba(219, 234, 254, 0.8) 100%);
    border: 1px solid rgba(191, 219, 254, 0.92);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.84);
    width: 72px;
    height: 72px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

/* Workflow Section (Detailed Grid) */
.workflow {
    background: transparent;
    padding: 5rem 0;
}

.workflow-steps-detailed {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.step-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.76) 0%, rgba(255, 255, 255, 0.56) 100%);
    padding: 2rem;
    border-radius: 20px;
    text-align: left;
    box-shadow: 0 20px 42px rgba(15, 23, 42, 0.06), 0 10px 30px rgba(37, 99, 235, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.78);
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
    border: 1px solid rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(22px) saturate(138%);
    -webkit-backdrop-filter: blur(22px) saturate(138%);
    position: relative;
    overflow: hidden;
}

.step-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 28px 54px rgba(15, 23, 42, 0.08), 0 16px 40px rgba(37, 99, 235, 0.07), inset 0 1px 0 rgba(255, 255, 255, 0.82);
    border-color: rgba(255, 255, 255, 0.8);
}

.step-icon {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    width: 68px;
    height: 68px;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(239, 246, 255, 0.96) 0%, rgba(219, 234, 254, 0.82) 100%);
    border: 1px solid rgba(191, 219, 254, 0.92);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.84);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.step-card h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
    position: relative;
    z-index: 1;
}

.step-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}


/* Pricing Section */
.pricing-decision-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto 2rem;
}

.trial-entry {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.7fr);
    gap: 1.5rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto 1.5rem;
    padding: 1.8rem 2rem;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(239, 246, 255, 0.88) 0%, rgba(255, 255, 255, 0.68) 100%);
    border: 1px solid rgba(255, 255, 255, 0.82);
    box-shadow: 0 28px 56px rgba(37, 99, 235, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(18px) saturate(150%);
    -webkit-backdrop-filter: blur(18px) saturate(150%);
}

.trial-entry-label {
    display: inline-flex;
    margin-bottom: 0.9rem;
    padding: 0.32rem 0.72rem;
    border-radius: 999px;
    background: #DBEAFE;
    color: #1D4ED8;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.trial-entry h3 {
    font-size: 1.55rem;
    line-height: 1.3;
    margin-bottom: 0.75rem;
    color: var(--text-main);
}

.trial-entry p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.trial-entry-actions {
    display: grid;
    gap: 0.85rem;
    justify-items: start;
}

.trial-entry-note {
    color: #64748B;
    font-size: 0.9rem;
}

.decision-card {
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
    border: 1px solid #DCE6F5;
    border-radius: 14px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.decision-card.featured {
    border-color: rgba(37, 99, 235, 0.35);
    background: linear-gradient(180deg, #EFF6FF 0%, #FFFFFF 100%);
}

.decision-label {
    display: inline-flex;
    align-self: flex-start;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    background: #E2E8F0;
    color: #334155;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.decision-card.featured .decision-label {
    background: var(--primary-blue);
    color: var(--white);
}

.decision-card strong {
    color: var(--text-main);
    font-size: 1.05rem;
}

.decision-card p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-grid-three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pricing-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 2rem;
    text-align: left;
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

.pricing-card.featured {
    border: 2px solid var(--primary-blue);
    transform: scale(1.05);
    z-index: 10;
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.1);
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.plan-kicker {
    display: inline-flex;
    align-self: flex-start;
    margin-bottom: 1rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: #EEF2FF;
    color: #1D4ED8;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.pricing-card .subtitle {
    font-size: 0.98rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.plan-fit {
    margin-bottom: 1.25rem;
    padding: 0.85rem 1rem;
    border-radius: 10px;
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    color: #334155;
    font-size: 0.92rem;
    line-height: 1.65;
}

.pricing-card ul {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.pricing-card ul li {
    padding: 0.7rem 0;
    border-bottom: 1px solid #F1F5F9;
    color: #334155;
    line-height: 1.65;
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-blue);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: bold;
}

.referral-banner {
    margin-top: 3rem;
    background: linear-gradient(90deg, #EFF6FF, #F8FAFC);
    border: 1px dashed var(--primary-blue);
    padding: 1.5rem;
    text-align: center;
    border-radius: 8px;
}

.feedback-wrap {
    max-width: 1040px;
    text-align: center;
}

.feedback-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #F0F4FF;
    color: var(--primary-blue);
    margin-bottom: 1.25rem;
}

.feedback-title {
    font-size: 2rem;
    margin-bottom: 0.85rem;
    color: var(--text-main);
}

.feedback-subtitle {
    max-width: 760px;
    margin: 0 auto 2rem;
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.85;
}

.feedback-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
}

.feedback-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.6) 100%);
    border: 1px solid rgba(255, 255, 255, 0.82);
    border-radius: 16px;
    padding: 1.4rem 1.3rem;
    text-align: left;
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(16px) saturate(145%);
    -webkit-backdrop-filter: blur(16px) saturate(145%);
}

.feedback-card strong {
    display: block;
    margin-bottom: 0.65rem;
    color: var(--text-main);
    font-size: 1rem;
}

.feedback-card p {
    color: var(--text-secondary);
    line-height: 1.75;
}

.faq-wrap {
    max-width: 980px;
}

.faq-list {
    display: grid;
    gap: 1rem;
}

.faq-item {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.78) 0%, rgba(255, 255, 255, 0.58) 100%);
    border: 1px solid rgba(255, 255, 255, 0.78);
    border-radius: 18px;
    box-shadow: 0 22px 48px rgba(15, 23, 42, 0.06), 0 10px 28px rgba(37, 99, 235, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(22px) saturate(140%);
    -webkit-backdrop-filter: blur(22px) saturate(140%);
    overflow: hidden;
}

.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 1.2rem 1.35rem;
    font-size: 1.06rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

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

.faq-item summary::after {
    content: "+";
    flex: 0 0 auto;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    background: linear-gradient(180deg, rgba(239, 246, 255, 0.96) 0%, rgba(219, 234, 254, 0.8) 100%);
    border: 1px solid rgba(191, 219, 254, 0.92);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.84);
    font-size: 1rem;
    line-height: 1;
}

.faq-item[open] summary::after {
    content: "-";
}

.faq-answer {
    padding: 0 1.35rem 1.25rem;
    border-top: 1px solid rgba(226, 232, 240, 0.72);
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.85;
}

.faq-answer p + p {
    margin-top: 0.8rem;
}

.contact-cta-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.2rem;
}

.contact-cta-grid {
    display: grid;
    grid-template-columns: minmax(320px, 0.95fr) minmax(320px, 1.05fr);
    gap: 1.5rem;
    max-width: 920px;
    margin: 0 auto;
}

.contact-cta-panel {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.82) 0%, rgba(255, 255, 255, 0.64) 100%);
    border-radius: 16px;
    padding: 2rem 2.2rem;
    box-shadow: 0 28px 56px rgba(15, 23, 42, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(255, 255, 255, 0.84);
    display: flex;
    flex-direction: column;
    align-items: center;
    backdrop-filter: blur(18px) saturate(150%);
    -webkit-backdrop-filter: blur(18px) saturate(150%);
}

.contact-cta-panel-light {
    align-items: flex-start;
    justify-content: center;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.76) 0%, rgba(248, 250, 252, 0.68) 100%);
}

.contact-cta-meta {
    display: grid;
    gap: 0.35rem;
    margin-bottom: 1.4rem;
}

.contact-cta-meta strong {
    color: var(--text-main);
    font-size: 1.08rem;
}

.contact-cta-meta span {
    color: var(--text-secondary);
    font-size: 0.94rem;
}

.contact-cta-list {
    margin: 0;
    padding-left: 1.1rem;
    color: var(--text-secondary);
    text-align: left;
    line-height: 1.85;
}

.contact-cta-list li + li {
    margin-top: 0.55rem;
}

/* Footer & Contact */
footer {
    background-color: var(--footer-bg);
    color: #94A3B8;
    padding: 4rem 0 2rem;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.contact-info {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--white);
    font-size: 1.1rem;
}

.legal {
    font-size: 0.8rem;
    color: #64748B;
    margin-top: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    width: 100%;
}

@media (max-width: 768px) {
    .hero + section::before,
    #features::before,
    .workflow::before,
    #advantages::before,
    #ai-agent::before,
    #pricing::before,
    #partnerships::before,
    #feedback::before,
    #contact-cta::before {
        width: min(92vw, 640px);
        opacity: 0.82;
    }

    .hero + section::after,
    #features::after,
    .workflow::after,
    #advantages::after,
    #ai-agent::after,
    #pricing::after,
    #partnerships::after,
    #feedback::after,
    #contact-cta::after {
        left: 10px;
        right: 10px;
        top: 0.5rem;
        bottom: 0.5rem;
        border-radius: 24px;
        background: linear-gradient(180deg, rgba(255, 255, 255, 0.24) 0%, rgba(255, 255, 255, 0.1) 100%);
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-subtitle-line {
        font-size: 1.08rem;
        white-space: normal;
    }

    .hero-product-cn {
        font-size: 2.65rem;
    }

    .hero-subtitle-block {
        display: grid;
        gap: 0.2rem;
    }

    .hero-layout,
    .proof-feature,
    .proof-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 4.5rem 0;
    }
    
    .nav-wrapper {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .trial-entry,
    .contact-cta-grid,
    .feedback-grid {
        grid-template-columns: 1fr;
    }

    .trial-entry {
        padding: 1.4rem 1.2rem;
    }

    .trial-entry-actions {
        justify-items: stretch;
    }

    #features .features-grid,
    #advantages .features-grid {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        gap: 1.25rem;
    }

    .pricing-grid-three,
    .pricing-decision-grid {
        grid-template-columns: 1fr;
    }

    .proof-extra {
        grid-template-columns: 1fr;
    }

    .proof-points-compact {
        grid-template-columns: 1fr;
    }

    .carousel-overlay {
        left: 0;
        right: 0;
        bottom: 0;
        padding: 0.72rem 0.82rem 0.78rem;
    }

    .carousel-overlay h4 {
        font-size: 0.92rem;
        max-width: 100%;
    }

    .carousel-overlay p {
        font-size: 0.76rem;
        line-height: 1.5;
        max-width: 100%;
    }

    .proof-support {
        white-space: normal;
    }

    .hero-result-points span {
        width: 100%;
        white-space: normal;
    }

    .hero-trust-line {
        gap: 0.5rem 1rem;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (min-width: 769px) and (max-width: 1080px) {
    #features .features-grid,
    #advantages .features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .pricing-grid-three,
    .feedback-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .pricing-decision-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .contact-cta-grid,
    .trial-entry {
        grid-template-columns: 1fr;
    }
}