/*==========================================================
HEYOUQUAN Official Website
Version : V5.2.1 Launch Edition
File    : css/style.css
Module  : Core Styles
Status  : Development
Updated : 2026-07-11
==========================================================*//* ==========================================================
   HEYOUQUAN Official Website
   Version : V5.1 FINAL
   File    : style.css
   Part    : 1A
========================================================== */


/* ==========================================================
   RESET
========================================================== */

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

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

body{

    font-family:
    "PingFang SC",
    "Microsoft YaHei",
    "Noto Sans SC",
    sans-serif;

    color:#23343b;

    background:#ffffff;

    line-height:1.75;

    font-size:16px;

    overflow-x:hidden;

    text-rendering:optimizeLegibility;

    -webkit-font-smoothing:antialiased;

    -moz-osx-font-smoothing:grayscale;
}

img{
    max-width:100%;
    display:block;
}

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

ul{
    list-style:none;
}

button{
    border:none;
    background:none;
    cursor:pointer;
    font:inherit;
}

input,
textarea{
    font:inherit;
}

section{
    position:relative;
}


/* ==========================================================
   ROOT COLOR SYSTEM
========================================================== */

:root{

    --primary:#2d7c82;
    --primary-dark:#255f64;
    --primary-light:#5ba8ae;

    --secondary:#7daeb2;

    --accent:#79b9be;

    --bg:#ffffff;
    --bg-soft:#f7fbfc;
    --bg-blue:#eef7f8;

    --text:#22353b;
    --text-light:#6d7d84;

    --border:#e3ecef;

    --success:#6aa98f;

    --radius-xs:8px;
    --radius-sm:12px;
    --radius:18px;
    --radius-lg:26px;
    --radius-xl:36px;

    --shadow-xs:
        0 2px 8px rgba(0,0,0,.04);

    --shadow-sm:
        0 8px 24px rgba(0,0,0,.05);

    --shadow:
        0 18px 50px rgba(0,0,0,.08);

    --shadow-lg:
        0 28px 70px rgba(0,0,0,.12);

    --transition:.35s ease;

    --container:1240px;

}


/* ==========================================================
   COMMON
========================================================== */

.container{

    width:min(calc(100% - 40px),var(--container));

    margin:auto;
}

.small-container{

    width:min(calc(100% - 60px),980px);

    margin:auto;
}

.section{

    padding:110px 0;
}

.section-sm{

    padding:80px 0;
}

.section-lg{

    padding:140px 0;
}


/* ==========================================================
   TYPOGRAPHY
========================================================== */

h1,
h2,
h3,
h4{

    color:var(--text);

    font-weight:700;

    letter-spacing:.5px;

    line-height:1.3;
}

h1{

    font-size:58px;
}

h2{

    font-size:42px;
}

h3{

    font-size:28px;
}

h4{

    font-size:22px;
}

p{

    color:var(--text-light);

    font-size:17px;

    line-height:1.9;
}

.section-title{

    text-align:center;

    margin-bottom:20px;
}

.section-title span{

    display:inline-block;

    color:var(--primary);

    font-size:15px;

    font-weight:700;

    letter-spacing:2px;

    text-transform:uppercase;

    margin-bottom:12px;
}

.section-title h2{

    margin-bottom:18px;
}

.section-title p{

    max-width:760px;

    margin:auto;
}


/* ==========================================================
   BUTTON
========================================================== */

.btn{

    display:inline-flex;

    align-items:center;

    justify-content:center;

    gap:12px;

    height:56px;

    padding:0 34px;

    border-radius:999px;

    font-weight:600;

    transition:var(--transition);

    white-space:nowrap;
}

.btn-primary{

    background:var(--primary);

    color:#fff;

    box-shadow:var(--shadow-sm);
}

.btn-primary:hover{

    background:var(--primary-dark);

    transform:translateY(-3px);

    box-shadow:var(--shadow);
}

.btn-outline{

    border:1px solid var(--primary);

    color:var(--primary);

    background:#fff;
}

.btn-outline:hover{

    background:var(--primary);

    color:#fff;
}

.btn-white{

    background:#fff;

    color:var(--primary);

    box-shadow:var(--shadow-sm);
}

.btn-white:hover{

    transform:translateY(-3px);

    box-shadow:var(--shadow);
}


/* ==========================================================
   HEADER
========================================================== */

.header{

    position:fixed;

    top:0;
    left:0;

    width:100%;

    z-index:9999;

    transition:.4s;

    background:rgba(255,255,255,.82);

    backdrop-filter:blur(18px);

    border-bottom:1px solid rgba(255,255,255,.2);
}

.header.scrolled{

    background:#ffffff;

    box-shadow:0 8px 30px rgba(0,0,0,.05);
}

.nav{

    display:flex;

    justify-content:space-between;

    align-items:center;

    height:80px;
}

.logo{

    display:flex;

    align-items:center;

    gap:16px;
}

.logo img{

    height:48px;
}

.logo-text{

    display:flex;

    flex-direction:column;
}

.logo-title{

    font-size:24px;

    font-weight:700;

    color:var(--primary);
}

.logo-sub{

    font-size:12px;

    letter-spacing:2px;

    color:#8a9aa0;

    margin-top:2px;
}

/*==================================================
Hamburger Animation
==================================================*/

.menu-toggle.active span:nth-child(1){

    transform:translateY(8px) rotate(45deg);

}

.menu-toggle.active span:nth-child(2){

    opacity:0;

}

.menu-toggle.active span:nth-child(3){

    transform:translateY(-8px) rotate(-45deg);

}
/* ==========================================================
   NAVIGATION
========================================================== */

.menu{

    display:flex;

    align-items:center;

    gap:40px;
}

.menu a{

    position:relative;

    font-size:15px;

    color:#3b4d53;

    transition:.3s;
}

.menu a:hover{

    color:var(--primary);
}

.menu a::after{

    content:"";

    position:absolute;

    left:0;

    bottom:-8px;

    width:0;

    height:2px;

    background:var(--primary);

    transition:.3s;
}

.menu a:hover::after{

    width:100%;
}

.nav-right{

    display:flex;

    align-items:center;

    gap:18px;
}


/* ==========================================================
   MOBILE MENU BUTTON
========================================================== */

.menu-toggle{

    display:none;

    width:44px;

    height:44px;

    border-radius:10px;

    background:#f2f7f8;

    justify-content:center;

    align-items:center;
}

.menu-toggle span{

    display:block;

    width:22px;

    height:2px;

    background:#34484d;

    position:relative;
}

.menu-toggle span::before,
.menu-toggle span::after{

    content:"";

    position:absolute;

    width:22px;

    height:2px;

    background:#34484d;

    left:0;
}

.menu-toggle span::before{

    top:-7px;
}

.menu-toggle span::after{

    top:7px;
}
/* ==========================================================
   HERO
========================================================== */

.hero{

    position:relative;

    overflow:hidden;

    padding-top:150px;

    padding-bottom:120px;

    background:
    linear-gradient(
        180deg,
        #f8fcfd 0%,
        #f2f8f9 55%,
        #ffffff 100%
    );
}


/* Background */

.hero::before{

    content:"";

    position:absolute;

    width:700px;

    height:700px;

    right:-180px;

    top:-180px;

    border-radius:50%;

    background:
    radial-gradient(
        circle,
        rgba(90,170,176,.18) 0%,
        rgba(90,170,176,.06) 45%,
        transparent 75%
    );

    pointer-events:none;
}

.hero::after{

    content:"";

    position:absolute;

    left:-220px;

    bottom:-260px;

    width:620px;

    height:620px;

    border-radius:50%;

    background:
    radial-gradient(
        circle,
        rgba(125,174,178,.10) 0%,
        transparent 70%
    );

    pointer-events:none;
}


/* Layout */

.hero-wrapper{

    position:relative;

    z-index:2;

    display:grid;

    grid-template-columns:1.05fr .95fr;

    align-items:center;

    gap:70px;
}


/* Left */

.hero-content h1{

    font-size:64px;

    line-height:1.18;

    margin-bottom:24px;
}

.hero-content h1 span{

    color:var(--primary);
}

.hero-content p{

    font-size:18px;

    max-width:620px;

    margin-bottom:38px;
}

.hero-buttons{

    display:flex;

    flex-wrap:wrap;

    gap:18px;

    margin-bottom:55px;
}


/* Data */

.hero-data{

    display:flex;

    flex-wrap:wrap;

    gap:50px;
}

.hero-data-item h3{

    color:var(--primary);

    font-size:34px;

    margin-bottom:6px;
}

.hero-data-item p{

    font-size:15px;

    color:#72848b;
}


/* Right */

.hero-image{

    position:relative;

    display:flex;

    justify-content:center;

    align-items:center;
}

.hero-image img{

    width:100%;

    max-width:520px;

    border-radius:32px;

    box-shadow:var(--shadow-lg);
}


/* Floating Cards */

.hero-card{

    position:absolute;

    background:#ffffff;

    border-radius:18px;

    padding:18px 22px;

    box-shadow:var(--shadow);

    display:flex;

    align-items:center;

    gap:14px;

    animation:floatCard 5s ease-in-out infinite;
}

.hero-card i{

    width:48px;

    height:48px;

    border-radius:50%;

    display:flex;

    align-items:center;

    justify-content:center;

    background:rgba(45,124,130,.12);

    color:var(--primary);

    font-size:20px;
}

.hero-card strong{

    display:block;

    font-size:16px;

    color:var(--text);

    margin-bottom:3px;
}

.hero-card span{

    display:block;

    font-size:13px;

    color:#7f8d93;
}


/* Positions */

.hero-card.card-1{

    left:-30px;

    top:60px;
}

.hero-card.card-2{

    right:-35px;

    top:180px;

    animation-delay:1.4s;
}

.hero-card.card-3{

    left:20px;

    bottom:10px;

    animation-delay:.8s;
}


/* Scroll Down */

.scroll-down{

    position:absolute;

    left:50%;

    bottom:26px;

    transform:translateX(-50%);

    display:flex;

    flex-direction:column;

    align-items:center;

    gap:10px;

    color:#8ea2a8;

    font-size:13px;

    letter-spacing:2px;

    text-transform:uppercase;
}

.scroll-mouse{

    width:26px;

    height:42px;

    border:2px solid #b5c7cb;

    border-radius:20px;

    position:relative;
}

.scroll-mouse::after{

    content:"";

    position:absolute;

    left:50%;

    top:8px;

    width:4px;

    height:8px;

    border-radius:4px;

    background:var(--primary);

    transform:translateX(-50%);

    animation:scrollWheel 2s infinite;
}


/* Animation */

@keyframes floatCard{

    0%{

        transform:translateY(0px);
    }

    50%{

        transform:translateY(-12px);
    }

    100%{

        transform:translateY(0px);
    }
}

@keyframes scrollWheel{

    0%{

        opacity:0;

        transform:translate(-50%,0);
    }

    40%{

        opacity:1;
    }

    100%{

        opacity:0;

        transform:translate(-50%,14px);
    }
}
/* ==========================================================
   BRAND POSITION
========================================================== */
/* ==========================================================
   BRAND POSITION
========================================================== */

.brand-position{

    position:relative;

    padding:150px 0 140px;

    background:#ffffff;

    overflow:hidden;

}

.brand-position .container{

    max-width:1240px;

    margin:0 auto;

    padding:0 24px;

}

/* ==========================================================
   Header
========================================================== */

.brand-position-header{

    max-width:760px;

    margin:0 auto 96px;

    text-align:center;

}

.brand-position-tag{

    display:inline-block;

    margin-bottom:22px;

    font-size:15px;

    font-weight:700;

    letter-spacing:4px;

    color:var(--primary);

    text-transform:uppercase;

}

.brand-position-title{

    margin:0;

    font-size:64px;

    font-weight:700;

    line-height:1.15;

    letter-spacing:-1px;

    color:var(--text);

}

.brand-position-intro{

    max-width:660px;

    margin:34px auto 0;

    font-size:20px;

    line-height:2;

    color:var(--text-light);

}

/* ==========================================================
   Grid
========================================================== */

.brand-position-grid{

    display:grid;

    grid-template-columns:repeat(3,minmax(0,1fr));

    gap:42px;

    align-items:stretch;

}

/* ==========================================================
   Card
========================================================== */

.brand-position-card{

    display:flex;

    flex-direction:column;

    justify-content:flex-start;

    min-height:430px;

    padding:42px;

    background:#ffffff;

    border:1px solid rgba(39,130,146,.08);

    border-radius:28px;

    box-shadow:

        0 12px 28px rgba(0,0,0,.04),

        0 32px 80px rgba(39,130,146,.06);

    transition:

        transform .35s ease,

        box-shadow .35s ease,

        border-color .35s ease;

}

.brand-position-card:hover{

    transform:translateY(-10px);

    border-color:rgba(39,130,146,.18);

    box-shadow:

        0 20px 48px rgba(0,0,0,.08),

        0 42px 90px rgba(39,130,146,.10);

}
/* ==========================================================
   Icon
========================================================== */

.brand-position-icon{

    display:flex;

    align-items:center;

    justify-content:center;

    width:72px;

    height:72px;

    margin-bottom:32px;

    border-radius:50%;

    background:linear-gradient(
        180deg,
        #f9fdfe 0%,
        #eef8f9 100%
    );

    border:1px solid #dcecef;

    color:var(--primary);

    font-size:22px;

    font-weight:700;

    box-shadow:

        inset 0 1px 0 rgba(255,255,255,.9),

        0 8px 18px rgba(39,130,146,.08);

    transition:all .35s ease;

}

.brand-position-card:hover .brand-position-icon{

    transform:scale(1.06);

    box-shadow:

        inset 0 1px 0 rgba(255,255,255,1),

        0 16px 30px rgba(39,130,146,.18);

}

.brand-position-icon span{

    line-height:1;

}

/* ==========================================================
   Card Title
========================================================== */

.brand-position-card-title{

    margin:0 0 18px;

    font-size:32px;

    font-weight:700;

    line-height:1.3;

    color:var(--text);

}

/* ==========================================================
   Card Text
========================================================== */

.brand-position-card-text{

    margin:0;

    flex:1;

    font-size:17px;

    line-height:1.95;

    color:var(--text-light);

}

/* ==========================================================
   Link
========================================================== */

.brand-position-link{

    display:inline-flex;

    align-items:center;

    gap:8px;

    margin-top:36px;

    color:var(--primary);

    font-size:15px;

    font-weight:600;

    text-decoration:none;

    transition:all .3s ease;

}

.brand-position-link span{

    transition:transform .3s ease;

}

.brand-position-card:hover .brand-position-link{

    color:#145867;

}

.brand-position-card:hover .brand-position-link span{

    transform:translateX(6px);

}

/* ==========================================================
   Card Divider
========================================================== */

.brand-position-card::after{

    content:"";

    display:block;

    width:42px;

    height:2px;

    margin-top:24px;

    background:rgba(39,130,146,.15);

    transition:width .35s ease;

}

.brand-position-card:hover::after{

    width:72px;

}
/* ==========================================================
   Responsive
========================================================== */

@media (max-width:1200px){

    .brand-position-title{

        font-size:56px;

    }

    .brand-position-grid{

        gap:32px;

    }

}

@media (max-width:992px){

    .brand-position{

        padding:100px 0;

    }

    .brand-position-header{

        margin-bottom:64px;

    }

    .brand-position-title{

        font-size:42px;

    }

    .brand-position-intro{

        font-size:18px;

    }

    .brand-position-grid{

        grid-template-columns:1fr;

        gap:24px;

    }

    .brand-position-card{

        min-height:auto;

    }

}

@media (max-width:768px){

    .brand-position{

        padding:80px 0;

    }

    .brand-position-title{

        font-size:34px;

        line-height:1.3;

    }

    .brand-position-tag{

        letter-spacing:3px;

        font-size:13px;

    }

    .brand-position-intro{

        font-size:16px;

        line-height:1.8;

    }

    .brand-position-card{

        padding:30px;

        border-radius:22px;

    }

    .brand-position-card-title{

        font-size:26px;

    }

    .brand-position-icon{

        width:64px;

        height:64px;

        font-size:20px;

    }

}

/*==========================================================
HEYOUQUAN V5.2.1
Module 01A
Commit 01
Brand Philosophy Header
Desktop
==========================================================*/


/*----------------------------------------------------------
Brand Philosophy
----------------------------------------------------------*/

.brand-philosophy{

    padding:140px 0;

    background:#ffffff;

}


/*----------------------------------------------------------
Header
----------------------------------------------------------*/

.brand-header{

    max-width:880px;

    margin:0 auto 90px;

    text-align:center;

}


/*----------------------------------------------------------
Tag
----------------------------------------------------------*/

.brand-tag{

    display:inline-block;

    margin-bottom:22px;

    font-size:13px;

    font-weight:700;

    letter-spacing:4px;

    text-transform:uppercase;

    color:var(--primary);

}


/*----------------------------------------------------------
Title
----------------------------------------------------------*/

.brand-title{

    font-size:54px;

    line-height:1.20;

    font-weight:700;

    color:var(--text);

    margin-bottom:30px;

    letter-spacing:-0.02em;

}


/*----------------------------------------------------------
Intro
----------------------------------------------------------*/

.brand-intro{

    max-width:760px;

    margin:0 auto;

    font-size:20px;

    line-height:2;

    color:#6f7f86;

}


/*----------------------------------------------------------
Highlight
----------------------------------------------------------*/

.brand-intro strong{

    color:var(--primary);

    font-weight:700;

}


/*----------------------------------------------------------
Spacing
----------------------------------------------------------*/

.brand-header>*:last-child{

    margin-bottom:0;

}
/*==================================================
HEYOUQUAN V5.2.1
Module 01 Premium Polish
Desktop + Frozen
==================================================*/


/*------------------------
Section
------------------------*/

.brand-philosophy{

    padding:120px 0;

    background:#fff;

}


/*------------------------
Header
------------------------*/

.brand-header{

    max-width:900px;

    margin:0 auto 70px;

    text-align:center;

}

.brand-tag{

    display:inline-block;

    font-size:16px;

    letter-spacing:7px;

    font-weight:600;

    color:#2d7c82;

    margin-bottom:28px;

}

.brand-title{

    font-size:72px;

    line-height:1.18;

    margin-bottom:36px;

    color:#22353d;

}

.brand-intro{

    max-width:860px;

    margin:0 auto;

    font-size:19px;

    line-height:2;

    color:#73858d;

}


/*------------------------
Grid
------------------------*/

.brand-grid{

    display:grid;

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

    gap:28px;

    margin-top:72px;

}


/*------------------------
Card
------------------------*/

.brand-card{

    position:relative;

    background:#fff;

    border-radius:26px;

    padding:40px 36px;

    border:1px solid rgba(45,124,130,.08);

    box-shadow:

        0 10px 28px rgba(20,58,72,.05);

    overflow:hidden;

    transition:.35s;

}

.brand-card:hover{

    transform:translateY(-6px);

    box-shadow:

        0 18px 42px rgba(20,58,72,.10);

}


.brand-card::before{

    content:"";

    position:absolute;

    left:0;

    top:0;

    width:100%;

    height:5px;

    background:linear-gradient(

        90deg,

        #2d7c82,

        #76bec2

    );

}


/*------------------------
Number
------------------------*/

.brand-icon{

    width:64px;

    height:64px;

    border-radius:50%;

    display:flex;

    justify-content:center;

    align-items:center;

    background:#f4fbfb;

    color:#2d7c82;

    font-size:22px;

    font-weight:700;

    margin-bottom:28px;

}


/*------------------------
Title
------------------------*/

.brand-card h3{

    font-size:28px;

    line-height:1.35;

    margin-bottom:18px;

    color:#22353d;

}


/*------------------------
Text
------------------------*/

.brand-card p{

    font-size:17px;

    line-height:2;

    color:#74858d;

}


/*------------------------
Bottom Accent
------------------------*/

.brand-card::after{

    content:"";

    position:absolute;

    left:36px;

    bottom:28px;

    width:46px;

    height:4px;

    border-radius:30px;

    background:#d9ecee;

}
/*==================================================
HEYOUQUAN V5.2.1
Module 02
Question
Desktop Premium
==================================================*/

/*----------------------------------
Section
-----------------------------------*/

.section-light{

    padding:140px 0;

    background:#ffffff;

}


/*----------------------------------
Section Header
-----------------------------------*/

.section-tag{

    text-align:center;

    font-size:15px;

    font-weight:700;

    letter-spacing:11px;

    color:var(--primary);

    text-transform:uppercase;

    margin-bottom:26px;

}


.section-title{

    max-width:900px;

    margin:0 auto 34px;

    text-align:center;

    font-size:72px;

    line-height:1.1;

    font-weight:800;

    color:var(--dark);

}


.section-subtitle{

    max-width:920px;

    margin:0 auto 90px;

    text-align:center;

    font-size:23px;

    line-height:1.9;

    color:#6d7f8f;

}


/*----------------------------------
Question Grid
-----------------------------------*/

.question-grid{

    display:grid;

    grid-template-columns:repeat(2,1fr);

    gap:40px;

}


/*----------------------------------
Card
-----------------------------------*/

.question-card{

    position:relative;

    background:#ffffff;

    border-radius:30px;

    padding:54px 52px;

    border:1px solid #e8eef3;

    border-top:6px solid #58b4bc;

    box-shadow:

        0 10px 35px rgba(18,48,74,.05);

    transition:.35s ease;

}


.question-card:hover{

    transform:translateY(-8px);

    box-shadow:

        0 25px 60px rgba(18,48,74,.12);

}


/*----------------------------------
Title
-----------------------------------*/

.question-card h3{

    font-size:40px;

    font-weight:800;

    line-height:1.25;

    color:var(--dark);

    margin-bottom:28px;

}


/*----------------------------------
Paragraph
-----------------------------------*/

.question-card p{

    font-size:22px;

    line-height:2;

    color:#708292;

    margin-bottom:42px;

}


/*----------------------------------
Read More
-----------------------------------*/

.question-card a{

    display:inline-flex;

    align-items:center;

    gap:10px;

    font-size:18px;

    font-weight:700;

    color:var(--primary);

    text-decoration:none;

    transition:.3s;

}


.question-card a:hover{

    gap:18px;

}


/*----------------------------------
Card Accent
-----------------------------------*/

.question-card::after{

    content:"";

    display:block;

    width:60px;

    height:6px;

    border-radius:20px;

    background:#d7eef1;

    margin-top:34px;

}
/*==================================================
HEYOUQUAN V5.2.1
Module 03
Barrier Science
Desktop Premium
==================================================*/

/*==================================================
HEYOUQUAN V5.2.1
Module 03
Barrier Science
Premium Polish
Desktop Frozen Candidate
==================================================*/


/*----------------------------------
Section
-----------------------------------*/
/*----------------------------------
Section Header Override
-----------------------------------*/

#science .section-title{

    max-width:1050px;
    font-size:68px;
}
#science{

    padding:145px 0;

    background:#ffffff;

}


/*----------------------------------
Science Grid
-----------------------------------*/

.science-grid{

    display:grid;

    grid-template-columns:repeat(2,1fr);

    gap:42px;

    margin-top:0;

}


/*----------------------------------
Science Card
-----------------------------------*/

.science-card{

    position:relative;

    background:#ffffff;

    border-radius:32px;

    padding:56px 54px;

    min-height:370px;

    border:1px solid #e8eef3;

    border-top:6px solid #58b4bc;

    box-shadow:

        0 12px 36px rgba(18,48,74,.05);

    transition:all .35s ease;

}


.science-card:hover{

    transform:translateY(-8px);

    box-shadow:

        0 26px 62px rgba(18,48,74,.12);

}


/*----------------------------------
Top Icon
-----------------------------------*/

.science-card::before{

    content:"";

    display:block;

    width:76px;

    height:76px;

    border-radius:50%;

    background:#eef9fb;

    margin-bottom:34px;

}


/*----------------------------------
Title
-----------------------------------*/

.science-card h3{

    font-size:40px;

    line-height:1.22;

    font-weight:800;

    color:var(--dark);

    margin-bottom:30px;

}


/*----------------------------------
Text
-----------------------------------*/

.science-card p{

    font-size:22px;

    line-height:2;

    color:#708292;

    margin:0;

}


/*----------------------------------
Bottom Accent
-----------------------------------*/

.science-card::after{

    content:"";

    position:absolute;

    left:54px;

    bottom:42px;

    width:72px;

    height:7px;

    border-radius:20px;

    background:#d7eef1;

}


/*----------------------------------
Bottom CTA
-----------------------------------*/

.science-more{

    margin-top:95px;

    display:flex;

    justify-content:center;

    align-items:center;

    gap:18px;

    flex-wrap:wrap;

    font-size:28px;

    color:#708292;

}


.science-more a{

    display:inline-flex;

    align-items:center;

    justify-content:center;

    min-width:280px;

    height:72px;

    padding:0 40px;

    border-radius:999px;

    background:var(--primary);

    color:#ffffff;

    font-size:24px;

    font-weight:700;

    text-decoration:none;

    transition:.3s;

}


.science-more a:hover{

    transform:translateY(-3px);

    background:#2d7d84;

    box-shadow:

        0 18px 40px rgba(58,142,149,.22);

}
/*==================================================
Module 04
Barrier Academy
Desktop
V5.2 Premium
==================================================*/

#academy{
    background:#f8fafb;
    padding:140px 0;
    position:relative;
}

#academy .container{
    max-width:1320px;
}

/*--------------------
Title
--------------------*/

#academy .section-tag{
    text-align:center;
    color:#2f8b95;
    font-size:15px;
    letter-spacing:8px;
    font-weight:700;
    text-transform:uppercase;
    margin-bottom:24px;
}

#academy .section-title{
    max-width:900px;
    margin:0 auto;
    text-align:center;

    font-size:68px;
    line-height:1.18;
    font-weight:700;
    color:#22323d;
}

#academy .section-subtitle{

    max-width:900px;

    margin:42px auto 90px;

    text-align:center;

    font-size:24px;
    line-height:1.9;

    color:#6b8295;
}

/*--------------------
Grid
--------------------*/

.academy-grid{

    display:grid;

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

    gap:36px;

}

/*--------------------
Card
--------------------*/

.academy-card{

    position:relative;

    display:flex;

    flex-direction:column;

    justify-content:flex-start;

    min-height:400px;

    padding:48px;

    text-decoration:none;

    background:#fff;

    border-radius:32px;

    border:1px solid #edf3f6;

    overflow:hidden;

    transition:.35s;

    box-shadow:

    0 10px 40px rgba(31,58,78,.05);

}

/* top line */

.academy-card::before{

    content:"";

    position:absolute;

    left:0;

    top:0;

    width:100%;

    height:6px;

    background:#55bcc6;

}

/* circle */

.academy-card::after{

    content:"";

    width:62px;

    height:62px;

    border-radius:50%;

    background:#eefbfd;

    display:block;

    margin-bottom:34px;

}

/*--------------------
Title
--------------------*/

.academy-card h3{

    font-size:38px;

    line-height:1.28;

    font-weight:700;

    color:#22323d;

    margin-bottom:28px;
    
    min-height:150px;
    
}

/*--------------------
Content
--------------------*/

.academy-card p{

    flex:1;

    font-size:22px;

    line-height:1.9;

    color:#708596;

}

/*--------------------
Read
--------------------*/

.academy-card span{

    margin-top:auto;

    display:inline-flex;

    align-items:center;

    gap:10px;

    font-size:20px;

    font-weight:600;

    color:#2f8b95;

}

/*--------------------
Hover
--------------------*/

.academy-card:hover{

    transform:translateY(-10px);

    box-shadow:

    0 24px 70px rgba(26,71,92,.12);

}

.academy-card:hover h3{

    color:#2f8b95;

}

.academy-card:hover span{

    transform:translateX(6px);

}

/*==================================================
Module 05
Product Center
Desktop Premium
V5.2
==================================================*/


/*----------------------------------
Section
----------------------------------*/

#product{

    background:#ffffff;

    padding:150px 0 170px;

}


/*----------------------------------
Layout
----------------------------------*/

.product-box{

    margin-top:68px;

    display:grid;

    grid-template-columns:1.08fr .92fr;

    gap:90px;

    align-items:center;

}


/*----------------------------------
Product Image
----------------------------------*/

.product-image{

    text-align:center;

}

.product-image img{

    width:100%;

    max-width:600px;

    display:block;

    margin:auto;

    transition:.45s;

    filter:drop-shadow(0 30px 55px rgba(0,0,0,.08));

}

.product-box:hover .product-image img{

    transform:translateY(-10px);

}


/*----------------------------------
Product Info
----------------------------------*/

.product-info{

    max-width:560px;

}


/*----------------------------------
Tag
----------------------------------*/

.product-tag{

    display:flex;

    flex-direction:column;

    gap:8px;

    margin-bottom:28px;

    font-size:15px;

    font-weight:700;

    letter-spacing:.18em;

    text-transform:uppercase;

    color:#8ca0ab;

}

.product-tag span{

    font-size:14px;

    color:#6d8a92;

    letter-spacing:.12em;

}


/*----------------------------------
Title
----------------------------------*/

.product-info h2{

    font-size:60px;

    line-height:1.08;

    font-weight:700;

    color:#22323d;

    margin-bottom:34px;

    margin-top:18px;
    
}


/*----------------------------------
Description
----------------------------------*/

.product-info p{

    font-size:23px;

    line-height:2;

    color:#708596;

    margin-bottom:40px;

}


/*----------------------------------
Feature List
----------------------------------*/

.product-list{

    list-style:none;

    margin:0 0 52px;

    padding:0;

}

.product-list li{

    position:relative;

    padding-left:38px;

    margin-bottom:22px;

    font-size:22px;

    color:#455966;

}

.product-list li::before{

    content:"";

    position:absolute;

    left:0;

    top:11px;

    width:10px;

    height:10px;

    border-radius:50%;

    background:#38b6c7;

}


/*----------------------------------
Button
----------------------------------*/

.product-info .btn-primary{

    display:inline-flex;

    align-items:center;

    justify-content:center;

    padding:22px 64px;

    border-radius:999px;

    background:#2f8b95;

    color:#fff;

    text-decoration:none;

    font-size:18px;

    font-weight:600;

    transition:.35s;

    box-shadow:0 18px 45px rgba(47,139,149,.20);

}

.product-info .btn-primary:hover{

    background:#246f78;

    transform:translateY(-4px);

    box-shadow:0 28px 60px rgba(47,139,149,.28);

}
/*====================================================
Module 06
Founder
Desktop
V5.2 Premium
====================================================*/

#founder{
    padding:140px 0;
    background:#fff;
}

.founder-box{

    display:grid;

    grid-template-columns:420px 1fr;

    gap:90px;

    align-items:center;
    
    justify-content:center;

    margin-top:70px;

}

.founder-image{

    text-align:center;

}

.founder-image img{

    width:100%;

    max-width:340px;

    border-radius:28px;

    display:block;

    margin:auto;

    box-shadow:0 20px 50px rgba(0,0,0,.08);

}

.founder-info{

    max-width:760px;

}

.founder-tag{

    display:inline-block;

    font-size:15px;

    letter-spacing:2px;

    text-transform:uppercase;

    color:#2c8b91;

    font-weight:600;

    margin-bottom:18px;

}

.founder-info h2{

    font-size:54px;

    font-weight:700;

    line-height:1.15;

    color:#1f2d36;

    margin-bottom:34px;

}

.founder-info p{

      font-size:22px;

    line-height:2;

    color:#5f6d78;

    margin-bottom:34px;

}

/* 第三段 */
.founder-info p:nth-of-type(3){

    margin-top:26px;

}

.founder-info strong{

    color:#1f2d36;

    font-weight:700;

}

.founder-info .btn-outline{

    display:inline-flex;

    align-items:center;

    justify-content:center;

    margin-top:42px;

    padding:16px 34px;

    border:2px solid #2c8b91;

    border-radius:999px;

    color:#2c8b91;

    font-size:17px;

    font-weight:600;

    text-decoration:none;

    transition:.3s;

}

.founder-info .btn-outline:hover{

    background:#2c8b91;

    color:#fff;

}
/* Signature */

.founder-signature{

    margin-top:52px;

    margin-bottom:46px;

}

.signature-name{

    font-size:26px;

    font-weight:600;

    color:#1f2d36;

    margin-bottom:10px;

}

.signature-title{

    font-size:15px;

    letter-spacing:2px;

    text-transform:uppercase;

    color:#7b8b96;

    line-height:1.8;

}

/*==================================================
Founder
iPad Landscape
992~1199
==================================================*/

@media (min-width:992px) and (max-width:1199px){

#founder .founder-box{

    grid-template-columns:360px 1fr;

    gap:60px;

}

#founder .founder-image img{

    max-width:360px;

}

}

/*====================================================
Module 07
Contact
Desktop Premium
V5.2
====================================================*/

#contact{

    background:#f8fbfc;

    padding:150px 0;

}


/*----------------------------------
Layout
----------------------------------*/

.contact-grid{

    margin-top:78px;

    display:grid;

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

    gap:36px;

}


/*----------------------------------
Card
----------------------------------*/

.contact-card{

    background:#ffffff;

    border-radius:30px;

    padding:56px 46px;

    text-align:center;

    border:1px solid rgba(35,65,80,.06);

    box-shadow:

    0 18px 48px rgba(20,55,75,.05);

    transition:
    transform .35s,
    box-shadow .35s,
    border-color .35s;

}

.contact-card:hover{

    transform:translateY(-10px);

    box-shadow:

    0 32px 70px rgba(20,55,75,.10);

}


/*----------------------------------
Icon
----------------------------------*/

.contact-icon{

    width:68px;

    height:68px;

    margin:0 auto 28px;

    border-radius:50%;

    background:#eef7f8;

    position:relative;

    transition:.35s;

}

/* Website */

.icon-circle::before{

    content:"";

    position:absolute;

    left:50%;

    top:50%;

    width:20px;

    height:20px;

    border:1.8px solid #2f8b95;

    border-radius:50%;

    transform:translate(-50%,-50%);

}

/* WeChat */

.icon-dot::before{

    content:"";

    position:absolute;

    left:50%;

    top:50%;

    width:14px;

    height:14px;

    background:#2f8b95;

    border-radius:50%;

    transform:translate(-50%,-50%);

}

/* Email */

.icon-square::before{

    content:"";

    position:absolute;

    left:50%;

    top:50%;

    width:16px;

    height:16px;

    border:2px solid #2f8b95;

    transform:

    translate(-50%,-50%)

    rotate(45deg);

}

/*----------------------------------
Hover
----------------------------------*/

.contact-card:hover .contact-icon{

    background:#2f8b95;

}

.contact-card:hover .icon-circle::before{

    border-color:#ffffff;

}

.contact-card:hover .icon-dot::before{

    background:#ffffff;

}

.contact-card:hover .icon-square::before{

    border-color:#ffffff;

}
.contact-card:hover{

    border-color:#2f8b95;

}
/*----------------------------------
Title
----------------------------------*/

.contact-card h3{

    margin-bottom:18px;

    font-size:24px;

    font-weight:700;

    color:#23343b;

}

/*----------------------------------
Content
----------------------------------*/

.contact-card p{

    font-size:21px;

    line-height:1.9;

    color:#718694;

}

/*==================================
Contact Icon
V5.2 Premium
==================================*/

.contact-icon{

    width:68px;

    height:68px;

    margin:0 auto 28px;

    border-radius:50%;

    background:#eef7f8;

    position:relative;

    transition:.35s;

}


/* Website */

.icon-circle::before{

    content:"";

    position:absolute;

    left:50%;

    top:50%;

    width:20px;

    height:20px;

    border:2px solid #2f8b95;

    border-radius:50%;

    transform:translate(-50%,-50%);

}


/* WeChat */

.icon-dot::before{

    content:"";

    position:absolute;

    left:50%;

    top:50%;

    width:14px;

    height:14px;

    background:#2f8b95;

    border-radius:50%;

    transform:translate(-50%,-50%);

}


/* Email */

.icon-square::before{

    content:"";

    position:absolute;

    left:50%;

    top:50%;

    width:16px;

    height:16px;

    border:2px solid #2f8b95;

    transform:translate(-50%,-50%) rotate(45deg);

}


/* Hover */

.contact-card:hover .contact-icon{

    background:#2f8b95;

}


.contact-card:hover .icon-circle::before{

    border-color:#fff;

}


.contact-card:hover .icon-dot::before{

    background:#fff;

}


.contact-card:hover .icon-square::before{

    border-color:#fff;

}
/*====================================================
Module 08
Footer
Desktop Premium
V5.2
====================================================*/

.footer{

    background:#ffffff;

    padding:140px 0 70px;

    text-align:center;

    border-top:1px solid rgba(30,70,90,.06);

}


/*----------------------------------
Brand
----------------------------------*/

.footer-logo{

    font-size:54px;

    font-weight:700;

    color:#21333d;

    margin-bottom:14px;

    letter-spacing:.04em;

}

.footer-en{

    font-size:18px;

    font-weight:600;

    letter-spacing:.35em;

    color:#2f8b95;

    text-transform:uppercase;

    margin-bottom:60px;

}


/*----------------------------------
Brand Ending
----------------------------------*/

.footer-ending{

    margin-bottom:54px;

}

.ending-en{

    font-size:28px;

    font-weight:500;

    line-height:1.8;

    color:#23343b;

    margin-bottom:26px;

}

.ending-cn{

    font-size:24px;

    line-height:1.9;

    color:#708596;

}


/*----------------------------------
Brand Philosophy
----------------------------------*/

.footer-slogan{

    font-size:17px;

    letter-spacing:.18em;

    color:#8b9aa5;

    margin-bottom:70px;

}


/*----------------------------------
Navigation
----------------------------------*/

.footer-nav{

    display:flex;

    justify-content:center;

    flex-wrap:wrap;

    gap:42px;

    margin-bottom:70px;

}

.footer-nav a{

    position:relative;

    text-decoration:none;

    color:#4e616e;

    font-size:18px;

    transition:

    color .35s;

}

.footer-nav a::after{

    content:"";

    position:absolute;

    left:0;

    bottom:-8px;

    width:0;

    height:2px;

    background:#2f8b95;

    transition:.35s;

}

.footer-nav a:hover{

    color:#2f8b95;

}

.footer-nav a:hover::after{

    width:100%;

}


/*----------------------------------
Divider
----------------------------------*/

.footer-divider{

    width:120px;

    height:1px;

    background:rgba(35,65,80,.10);

    margin:0 auto 50px;

}


/*----------------------------------
Copyright
----------------------------------*/

.footer-copy{

    font-size:16px;

    line-height:2;

    color:#96a5ae;

}
.footer-nav a::after{

    content:"";

    position:absolute;

    left:50%;

    bottom:-8px;

    width:0;

    height:2px;

    background:#2f8b95;

    transition:.35s;

    transform:translateX(-50%);

}


.footer-nav a:hover::after{

    width:100%;

}
.footer-nav a{

    position:relative;

}

/*==================================================
Back To Top
V5.2 Final
==================================================*/

.back-top{

    position:fixed;

    right:40px;

    bottom:calc(40px + env(safe-area-inset-bottom));

    width:52px;

    height:52px;

    border-radius:50%;

    border:1px solid #2f8b95;

    background:#ffffff;

    color:#2f8b95;

    font-size:22px;

    cursor:pointer;

    z-index:999;

    opacity:0;

    visibility:hidden;

    transform:translateY(10px) scale(.92);

    transition:
        opacity .35s ease,
        transform .35s ease,
        background .25s ease,
        color .25s ease,
        border-color .25s ease,
        box-shadow .25s ease;

    box-shadow:0 10px 30px rgba(20,55,75,.12);

}


/*========================
Show
========================*/

.back-top.show{

    opacity:1;

    visibility:visible;

    transform:translateY(0) scale(1);

}


/*========================
Desktop Hover Only
========================*/

@media (hover:hover)and (pointer:fine){

    .back-top:hover{

        background:#2f8b95;

        color:#ffffff;

        border-color:#2f8b95;

        transform:translateY(-8px) scale(1);

        box-shadow:0 18px 40px rgba(20,55,75,.22);

    }

}


/*========================
Touch Press
========================*/

.back-top:active{

    transform:translateY(0) scale(.92);

}
/* =========================================================
   HEYOUQUAN — Age Position Note
   放置于首页 03 提供科学方案之后
========================================================= */

.age-position-note {
  padding: 96px 24px;
  background: #f3f9f9;
}

.age-position-note__inner {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 72px 64px;
  text-align: center;
  background: #ffffff;
  border: 1px solid rgba(15, 111, 115, 0.14);
  border-top: 6px solid #2f9497;
  border-radius: 34px;
  box-shadow: 0 24px 60px rgba(24, 70, 74, 0.08);
}

.age-position-note__eyebrow {
  margin: 0 0 24px;
  color: #25878a;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.18em;
}

.age-position-note__title {
  margin: 0;
  color: #18343a;
  font-size: clamp(42px, 4.6vw, 72px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.03em;
}

.age-position-note__text {
  max-width: 700px;
  margin: 34px auto 0;
  color: #70868d;
  font-size: 24px;
  font-weight: 400;
  line-height: 1.9;
}


/* iPad 直式与中等屏幕 */
@media (max-width: 1024px) {
  .age-position-note {
    padding: 72px 28px;
  }

  .age-position-note__inner {
    padding: 60px 42px;
    border-radius: 28px;
  }

  .age-position-note__text {
    max-width: 720px;
    font-size: 21px;
    line-height: 1.85;
  }
}


/* 手机 */
@media (max-width: 767px) {
  .age-position-note {
    padding: 54px 18px;
  }

  .age-position-note__inner {
    padding: 46px 24px 48px;
    border-top-width: 4px;
    border-radius: 24px;
    box-shadow: 0 18px 40px rgba(24, 70, 74, 0.07);
  }

  .age-position-note__eyebrow {
    margin-bottom: 20px;
    font-size: 14px;
    letter-spacing: 0.14em;
  }

  .age-position-note__title {
    font-size: clamp(34px, 10.5vw, 46px);
    line-height: 1.22;
  }

  .age-position-note__text {
    margin-top: 26px;
    font-size: 17px;
    line-height: 1.9;
    text-align: left;
  }
}


/* 小尺寸手机 */
@media (max-width: 390px) {
  .age-position-note {
    padding-right: 14px;
    padding-left: 14px;
  }

  .age-position-note__inner {
    padding-right: 20px;
    padding-left: 20px;
  }

  .age-position-note__title {
    font-size: 34px;
  }

  .age-position-note__text {
    font-size: 16px;
  }
  
}
/* 屏障学院副标题：手机版局部修正 */
@media (max-width:768px){

    #academy .section-subtitle{
        width:88%;
        max-width:88%;
        font-size:18px;
        line-height:1.75;
        margin:28px auto 54px;
    }

}