410 lines
14 KiB
TypeScript
410 lines
14 KiB
TypeScript
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'use client';
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import { useState, useEffect, useRef } from 'react';
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import Image from 'next/image';
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// 数字增长动画Hook
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function useCountUp(end: number, duration: number = 1500, startRangePercent: number = 0.75) {
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const [mounted, setMounted] = useState(false);
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const [count, setCount] = useState(end);
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const [hasAnimated, setHasAnimated] = useState(false);
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const elementRef = useRef<HTMLDivElement>(null);
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const startValueRef = useRef<number>(end);
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useEffect(() => {
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setMounted(true);
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startValueRef.current = Math.floor(end * (startRangePercent + Math.random() * 0.15));
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setCount(startValueRef.current);
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}, [end, startRangePercent]);
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useEffect(() => {
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if (!mounted) return;
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const observer = new IntersectionObserver(
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(entries) => {
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if (entries[0].isIntersecting && !hasAnimated) {
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setHasAnimated(true);
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const start = startValueRef.current;
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const startTime = Date.now();
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const timer = setInterval(() => {
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const elapsed = Date.now() - startTime;
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const progress = Math.min(elapsed / duration, 1);
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const easeOutCubic = 1 - Math.pow(1 - progress, 3);
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const currentCount = Math.floor(start + (end - start) * easeOutCubic);
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setCount(currentCount);
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if (progress === 1) {
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setCount(end);
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clearInterval(timer);
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}
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}, 16);
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return () => clearInterval(timer);
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}
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},
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{ threshold: 0.1 }
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);
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if (elementRef.current) {
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observer.observe(elementRef.current);
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}
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return () => observer.disconnect();
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}, [end, duration, hasAnimated, mounted]);
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return { count, elementRef };
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}
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export default function HowItWorksSection() {
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const [mounted, setMounted] = useState(false);
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const [visible, setVisible] = useState(false);
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const [activeStep, setActiveStep] = useState(1); // 默认第1步激活
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const sectionRef = useRef<HTMLElement>(null);
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// 数字动画
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const investAmount = useCountUp(100000, 1500, 0.85);
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const earnAmount = useCountUp(5150, 1500, 0.85);
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useEffect(() => {
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setMounted(true);
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const observer = new IntersectionObserver(
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(entries) => {
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entries.forEach((entry) => {
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if (entry.isIntersecting && !visible) {
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setVisible(true);
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}
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});
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},
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{
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threshold: 0.1,
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}
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);
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if (sectionRef.current) {
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observer.observe(sectionRef.current);
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}
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return () => {
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if (sectionRef.current) {
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observer.unobserve(sectionRef.current);
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}
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};
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}, [visible]);
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const steps = [
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{
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number: 1,
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title: 'Deposit & Mint WUSD',
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description: 'Connect your wallet and deposit USDC to swap WUSD. This serves as the native stablecoin and gateway to the entire AssetX ecosystem.',
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hasLine: true
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},
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{
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number: 2,
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title: 'Dual Investment Options',
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description: 'Choose your strategy: use WUSD to purchase specific Yield-Bearing Assets for real-world returns, or provide liquidity in DeFi Pools to earn trading fees.',
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hasLine: true
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},
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{
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number: 3,
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title: 'Earn & Boost',
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description: 'Receive daily yield distributions. Use Asset Tokens as collateral to borrow WUSD and leverage up to 2.5x for maximized returns.',
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hasLine: false
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}
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];
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return (
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<section
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ref={sectionRef}
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className="bg-[#f9fafb] flex flex-col items-center justify-center flex-shrink-0 w-full relative"
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style={{
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borderStyle: 'solid',
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borderColor: '#e5e7eb',
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borderWidth: '1px 0px',
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padding: '80px 0px'
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}}
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>
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{/* .container20 - Main container */}
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<div className="flex flex-row items-start justify-between flex-shrink-0 relative w-[1200px]">
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{/* Left Side - Steps (.container21) */}
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<div className="flex flex-col gap-10 items-start justify-start flex-shrink-0 relative w-[520px]">
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{/* Title (.heading-2) */}
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<div className="flex flex-col items-start justify-start flex-shrink-0 relative">
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<h2
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className="text-[#111827] text-left relative font-inter"
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style={{
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fontSize: '48px',
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lineHeight: '120%',
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letterSpacing: '-0.01em',
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fontWeight: 700
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}}
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>
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How it works
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</h2>
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</div>
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{/* Steps Container (.frame-34) */}
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<div className="flex flex-col gap-6 items-start justify-start flex-shrink-0 relative">
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{steps.map((step, index) => {
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const isActive = activeStep === step.number;
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return (
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<div
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key={step.number}
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onClick={() => setActiveStep(step.number)}
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className={`flex flex-row gap-6 items-start justify-start flex-shrink-0 relative cursor-pointer transition-all duration-300 ease-out hover:opacity-80 ${
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mounted && visible
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? 'translate-x-0 opacity-100'
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: '-translate-x-12 opacity-0'
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}`}
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style={{
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transitionDelay: `${index * 150}ms`
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}}
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>
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{/* Number and Line Container */}
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<div className="pt-2 flex flex-col items-center justify-start self-stretch flex-shrink-0 relative">
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{/* Number Badge */}
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{isActive ? (
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// Active step (black background)
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<div
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className="bg-[#111827] rounded-[999px] flex items-center justify-center flex-shrink-0 w-8 h-[21.63px] relative transition-all duration-300"
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style={{
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padding: '0.31px 0px 1.32px 0px'
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}}
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>
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<span
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className="text-[#fcfcfd] text-center relative flex items-center justify-center font-inter transition-all duration-300"
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style={{
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fontSize: '14px',
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lineHeight: '150%',
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fontWeight: 700
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}}
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>
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{step.number}
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</span>
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</div>
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) : (
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// Inactive step (border)
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<div
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className="bg-[#f9fafb] rounded-[9999px] border-2 border-[#d1d5db] flex items-center justify-center flex-shrink-0 w-8 h-[24.5px] relative transition-all duration-300"
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>
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<span
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className="text-[#9ca1af] text-center relative flex items-center justify-center font-inter transition-all duration-300"
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style={{
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fontSize: '14px',
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lineHeight: '150%',
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fontWeight: 700
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}}
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>
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{step.number}
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</span>
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</div>
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)}
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{/* Connecting Line */}
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{step.hasLine && (
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<div className="pt-6 flex flex-col items-start justify-center flex-1 w-[2px] relative">
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<div className="bg-[#e5e7eb] flex-1 w-[2px] relative" />
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</div>
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)}
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</div>
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{/* Text Content */}
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<div
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className="flex flex-col gap-2 items-start justify-start flex-1 relative"
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style={{
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paddingBottom: step.hasLine ? '32px' : '0px'
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}}
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>
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<h3
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className="text-[#111827] text-left relative flex items-center justify-start font-inter transition-all duration-300"
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style={{
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fontSize: '24px',
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lineHeight: '130%',
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letterSpacing: '-0.005em',
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fontWeight: isActive ? 700 : 500
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}}
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>
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{step.title}
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</h3>
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<p
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className="text-[#9ca1af] text-left relative self-stretch flex items-center justify-start font-inter"
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style={{
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fontSize: '16px',
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lineHeight: '150%',
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fontWeight: 400
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}}
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>
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{step.description}
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</p>
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</div>
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</div>
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);
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})}
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</div>
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</div>
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{/* Right Side - Calculator Card */}
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<div
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className={`calculator-card-container flex flex-col items-start justify-start flex-shrink-0 w-[558px] relative transition-all duration-700 ease-out ${
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mounted && visible
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? 'translate-y-0 opacity-100'
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: 'translate-y-12 opacity-0'
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}`}
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style={{
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transitionDelay: '450ms',
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height: '439px'
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}}
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>
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{/* Coin Images Container - Rotated Card */}
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<div
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className="bg-[#111827] rounded-[16px] flex flex-row gap-4 items-start justify-start h-[162px] absolute z-0"
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style={{
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padding: '25px 25px 1px 25px',
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left: '205.43px',
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top: '15.96px',
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boxShadow: '0px 25px 50px -12px rgba(0, 0, 0, 0.25)',
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transformOrigin: '0 0',
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transform: 'rotate(6.535deg) scale(1, 1)'
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}}
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>
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{/* USDC Logo */}
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<Image
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src="/usd-coin-usdc-logo-10.svg"
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alt="USDC"
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width={64}
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height={64}
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className="flex-shrink-0"
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/>
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{/* WUSD Logo */}
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<div className="flex-shrink-0 w-[66px] h-[66px] relative">
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<div className="absolute inset-0 rounded-full bg-gradient-to-br from-green-400 to-emerald-500" />
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<Image
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src="/image-220.png"
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alt="WUSD"
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width={66}
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height={66}
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className="absolute inset-0 rounded-full"
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/>
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</div>
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</div>
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{/* Calculator Card */}
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<div
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className="bg-white/85 backdrop-blur-md rounded-[24px] border border-[#e5e7eb] p-8 absolute left-0 top-[99px] w-full shadow-lg z-10"
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style={{
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transform: 'rotate(-3deg)',
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transformOrigin: 'center center'
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}}
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>
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{/* Header */}
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<div className="flex flex-row items-center justify-between mb-6">
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<div className="flex flex-row gap-3 items-center">
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<div className="bg-[#111827] rounded-[12px] w-10 h-10 flex items-center justify-center">
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<Image
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src="/icon1.svg"
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alt="Portfolio"
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width={24}
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height={24}
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/>
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</div>
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<span
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className="text-[#111827] font-inter"
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style={{
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fontSize: '16px',
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lineHeight: '150%',
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fontWeight: 500
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}}
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>
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Portfolio Overview Simulator
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</span>
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</div>
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<div className="bg-green-50 rounded-lg px-3 py-1">
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<span className="text-green-600 font-inter text-sm font-bold">+5.2% APY</span>
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</div>
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</div>
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{/* Investment Amount */}
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<div className="mb-4">
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<div className="flex flex-col gap-2">
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<span
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className="text-[#9ca1af] font-inter"
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style={{
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fontSize: '14px',
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lineHeight: '150%',
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fontWeight: 400
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}}
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>
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If you invest
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</span>
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<span
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ref={investAmount.elementRef}
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className="text-[#111827] font-inter"
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style={{
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fontSize: '32px',
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lineHeight: '120%',
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letterSpacing: '-0.01em',
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fontWeight: 700
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}}
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>
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${investAmount.count.toLocaleString()}
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</span>
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</div>
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{/* Range Slider */}
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<div className="mt-4 h-2 bg-[#e5e7eb] rounded-full relative">
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<div className="absolute left-1/2 top-1/2 -translate-x-1/2 -translate-y-1/2 w-4 h-4 bg-[#111827] rounded-full" />
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</div>
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</div>
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{/* Earnings */}
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<div className="mt-6 pt-6 border-t border-[#e5e7eb]">
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<span
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className="text-[#9ca1af] font-inter block mb-2"
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style={{
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fontSize: '14px',
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lineHeight: '150%',
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fontWeight: 400
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}}
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>
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You earn per year
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</span>
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<div className="flex flex-row gap-2 items-center">
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<Image
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src="/icon2.svg"
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alt="Earn"
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width={24}
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|
|
height={24}
|
||
|
|
/>
|
||
|
|
<span
|
||
|
|
ref={earnAmount.elementRef}
|
||
|
|
className="text-green-600 font-inter"
|
||
|
|
style={{
|
||
|
|
fontSize: '32px',
|
||
|
|
lineHeight: '120%',
|
||
|
|
letterSpacing: '-0.01em',
|
||
|
|
fontWeight: 700
|
||
|
|
}}
|
||
|
|
>
|
||
|
|
+${earnAmount.count.toLocaleString()}
|
||
|
|
</span>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
</div>
|
||
|
|
</section>
|
||
|
|
);
|
||
|
|
}
|